Table Of Contents
Release Notes for the Cisco Catalyst Blade Switch 3030, Cisco IOS Release 12.2(35)SE and Later
Device Manager System Requirements
Finding the Software Version and Feature Set
Upgrading a Switch by Using the Device Manager
Upgrading a Switch by Using the CLI
Recovering from a Software Failure
Resolved Caveats in Cisco IOS Release 12.2(35)SE5
Resolved Caveats in Cisco IOS Release 12.2(35)SE
Updates to the Software Configuration Guide
Update to the "Configuring EtherChannels" chapter
Update to the "Configuring IEEE 802.1x chapter
Updates to the Command Reference
Updates to the System Message Guide
Cisco Product Security Overview
Reporting Security Problems in Cisco Products
Product Alerts and Field Notices
Obtaining Technical Assistance
Definitions of Service Request Severity
Obtaining Additional Publications and Information
Release Notes for the Cisco Catalyst Blade Switch 3030, Cisco IOS Release 12.2(35)SE and Later
Revised June 10, 2008
Cisco IOS Release 12.2(35)SE runs on the Cisco Catalyst Blade Switch 3030.
Unless otherwise noted, the term switch refers to a standalone switch.
These release notes include important information about Cisco IOS Release 12.2(35)SE and any limitations, restrictions, and caveats that apply to them. Verify that these release notes are correct for your switch:
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If you are installing a new switch, see the Cisco IOS release label on the rear panel of your switch.
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For the complete list of Cisco Catalyst Blade Switch 3030 documentation and of Cisco EtherSwitch service module documentation, see the "Related Documentation" section.
You can download the switch software from this site (registered Cisco.com users with a login password):
http://www.cisco.com/public/sw-center/sw-lan.shtml
Contents
This information is in the release notes:
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System Requirements
The system requirements are described in these sections:
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Hardware Supported
Table 1 lists the hardware supported on Cisco IOS Release 12.2(35)SE.
Table 1 Cisco Catalyst Blade Switch 3030 Supported Hardware
Cisco Catalyst Blade Switch 3030
Ten internal 1000BASE-TX ports, two external 10/100/1000 ports, and four SFP1 module slots
Cisco IOS Release 12.2(25)SEE
SFP modules
1000BASE-T and 1000BASE-SX
Cisco IOS Release 12.2(25)SEE
1 SFP = small form-factor pluggable
Device Manager System Requirements
These sections describes the hardware and software requirements for using the device manager:
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Hardware Requirements
Table 2 lists the minimum hardware requirements for running the device manager.
Table 2 Minimum Hardware Requirements
Intel Pentium II1
64 MB2
256
1024 x 768
Small
1 We recommend Intel Pentium 4.
2 We recommend 256-MB DRAM.
Software Requirements
Table 3 lists the supported operating systems and browsers for using the device manager. The device manager verifies the browser version when starting a session to ensure that the browser is supported.
Note
Table 3 Supported Operating Systems and Browsers
Windows 98
None
5.5 or 6.0
7.1
Windows NT 4.0
Service Pack 6 or later
5.5 or 6.0
7.1
Windows 2000
None
5.5 or 6.0
7.1
Windows XP
None
5.5 or 6.0
7.1
1 Service Pack 1 or higher is required for Internet Explorer 5.5.
Upgrading the Switch Software
These are the procedures for downloading software. Before downloading software, read this section for important information:
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Finding the Software Version and Feature Set
The Cisco IOS image is stored as a bin file in a directory that is named with the Cisco IOS release. A subdirectory contains the files needed for web management. The image is stored on the system board flash device (flash:).
You can use the show version privileged EXEC command to see the software version that is running on your switch. The second line of the display shows the version.
You can also use the dir filesystem: privileged EXEC command to see the directory names of other software images that you might have stored in flash memory.
Deciding Which Files to Use
The upgrade procedures in these release notes describe how to perform the upgrade by using a combined tar file. This file contains the Cisco IOS image file and the files needed for the embedded device manager. You must use the combined tar file to upgrade the switch through the device manager. To upgrade the switch through the command-line interface (CLI), use the tar file and the archive download-sw privileged EXEC command.
Table 4 lists the filenames for this software release.
Archiving Software Images
Before upgrading your switch software, make sure that you have archived copies of the current Cisco IOS release and the Cisco IOS release to which you are upgrading. You should keep these archived images until you have upgraded all devices in the network to the new Cisco IOS image and until you have verified that the new Cisco IOS image works properly in your network.
Cisco routinely removes old Cisco IOS versions from Cisco.com. See Product Bulletin 2863 for more information:
http://www.cisco.com/en/US/partner/products/sw/iosswrel/ps5187/prod_bulletin0900aecd80281c0e.
HtmlYou can copy the binary software image file (with the .bin suffix) on the flash memory to the appropriate TFTP directory on a host by using the copy flash: tftp: privileged EXEC command.
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You can also configure the switch as a TFTP server to copy files from one switch to another without using an external TFTP server by using the tftp-server global configuration command. For more information about the tftp-server command, see the "Basic File Transfer Services Commands" section of the Cisco IOS Configuration Fundamentals Command Reference, Release 12.2 at this URL:
/en/US/docs/ios/12_2/configfun/command/reference/frf011.html#wp1018426
Upgrading a Switch by Using the Device Manager
You can upgrade switch software by using the device manager. For detailed instructions, click Help.
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Upgrading a Switch by Using the CLI
This procedure is for copying the combined tar file to the switch. You copy the file to the switch from a TFTP server and extract the files. You can download an image file and replace or keep the current image.
To download software, follow these steps:
Step 1
Step 2
http://www.cisco.com/pcgi-bin/Software/Iosplanner/Planner-tool/iosplanner.cgi
Click on "Launch the IOS Upgrade Planner," and search for CBS3000 to download the appropriate files:
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Step 3
For more information, see Appendix B in the software configuration guide for this release.
Step 4
Note
See the "Connecting through the DRAC/MC" section of the Cisco Catalyst Blade Switch 3030 Getting Started Guide for instructions on how to connect to the switch by using the DRAC/MC.Step 5
Switch# ping tftp-server-addressFor more information about assigning an IP address and default gateway to the switch, see the software configuration guide for this release.
Step 6
Switch# archive download-sw /overwrite /reload tftp:[[//location]/directory]/image-name.tarThe /overwrite option overwrites the software image in flash memory with the downloaded one.
The /reload option reloads the system after downloading the image unless the configuration has been changed and not saved.
For //location, specify the IP address of the TFTP server.
For /directory/image-name.tar, specify the directory (optional) and the image to download. Directory and image names are case sensitive.
This example shows how to download an image from a TFTP server at 198.30.20.19 and to overwrite the image on the switch:
Switch# archive download-sw /overwrite tftp://198.30.20.19/cbs30x0-lanbasek9-tar.122-25.SEE.tarYou can also download the image file from the TFTP server to the switch and keep the current image by replacing the /overwrite option with the /leave-old-sw option.
Step 7
Switch# dir flash:
Recovering from a Software Failure
For additional recovery procedures, see the "Troubleshooting" chapter in the software configuration guide for this release.
Installation Notes
You can assign IP information to your switch by using these methods:
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New Software Feature
This release supports Web authentication to authenticate a supplicant (client) that does not support IEEE 802.1x functionality. For more information, see the "Documentation Updates" section.
Limitations and Restrictions
You should review this section before you begin working with the switch. These are known limitations that will not be fixed, and there is not always a workaround. Some features might not work as documented, and some features could be affected by recent changes to the switch hardware or software.
This section contains these limitations:
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Cisco IOS Limitations
These limitations apply to the switch:
Configuration
These are the configuration limitations:
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This problem occurs under these conditions:
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The workaround is to reconfigure the static IP address. (CSCea71176 and CSCdz11708)
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No workaround is necessary; these are the designed behaviors. (CSCed50819)
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The workaround is to configure the port for 10 Mbps and half duplex or to connect a hub or a nonaffected device to the switch. (CSCed39091)
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The workaround is to enter the no switchport block unicast interface configuration command on that specific interface. (CSCee93822)
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There is no workaround. This is a cosmetic error and does not affect the functionality of the switch. (CSCef59331)
Ethernet
These are the Ethernet limitations:
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If this happens, uneven traffic distribution happens on EtherChannel ports.
Changing the load balance distribution method or changing the number of ports in the EtherChannel can resolve this problem. Use any of these workarounds to improve EtherChannel load balancing:
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For example, with load balance configured as dst-ip with 150 distinct incrementing destination IP addresses, and the number of ports in the EtherChannel set to either 2, 4, or 8, load distribution is optimal. (CSCeh81991)
IP
This is the IP limitation:
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IP Telephony
This is the IP telephony limitation:
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Multicasting
These are the multicasting limitations:
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There is no workaround. (CSCec20128)
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The switchport block multicast interface configuration command is only applicable to non-IP multicast traffic.
There is no workaround. (CSCee16865)
QoS
These are the quality of service (QoS) limitations:
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SPAN and RSPAN
This is the SPAN and Remote SPAN (RSPAN) limitation.
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The workaround is to use the monitor session session_number destination {interface interface-id encapsulation replicate} global configuration command for local SPAN. (CSCed24036)
Trunking
These are the trunking limitations:
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VLAN
This is the VLAN limitation:
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The workaround is to reduce the number of VLANs or trunks. (CSCeb31087)
Device Manager Limitations
When you are prompted to accept the security certificate and you click No, you only see a blank screen, and the device manager does not launch.
The workaround is to click Yes when you are prompted to accept the certificate. (CSCef45718)
Device Manager Notes
These notes apply to the device manager:
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From Microsoft Internet Explorer:
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Beginning in privileged EXEC mode, follow these steps to configure the HTTP server interface:
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If you change the HTTP port, you must include the new port number when you enter the IP address in the browser Location or Address field (for example, http://10.1.126.45:184 where 184 is the new HTTP port number). You should write down the port number through which you are connected. Use care when changing the switch IP information.
If you are not using the default method of authentication (the enable password), you need to configure the HTTP server interface with the method of authentication used on the switch.
Beginning in privileged EXEC mode, follow these steps to configure the HTTP server interface:
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Open Caveats
This section describes the open caveats with possible unexpected activity in this software release. Unless otherwise noted, these severity 3 Cisco IOS configuration caveats apply to the switch:
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If traffic is passing through VMPS ports and you perform a shut operation, a dynamic VLAN is not assigned and a VLAN with a null ID appears.
The workaround is to clear the MAC address table. This forces the VMPS server to correctly reassign the VLAN.
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A QoS service policy with a policy map containing more than 62 policers cannot be added to an interface by using the service-policy interface configuration command.
The workaround is to use policy maps with 62 or fewer policers.
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The switch might display tracebacks similar to these examples when a large number of IEEE 802.1x supplicants try to repeatedly log in and log out.
Examples:
Jan 3 17:54:32 L3A3 307: Jan 3 18:04:13.459: %SM-4-BADEVENT: Event 'eapReq' is invalid for the current state 'auth_bend_idle': dot1x_auth_bend Fa9
Jan 3 17:54:32 L3A3 308: -Traceback= B37A84 18DAB0 2FF6C0 2FF260 8F2B64 8E912C Jan 3 19:06:13 L3A3 309: Jan 3 19:15:54.720: %SM-4-BADEVENT: Event 'eapReq_no_reAuthMax' is invalid for the current ate 'auth_restart': dot1x_auth Fa4
Jan 3 19:06:13 L3A3 310: -Traceback= B37A84 18DAB0 3046F4 302C80 303228 8F2B64 8E912C Jan 3 20:41:44 L3A3 315: .Jan 3 20:51:26.249: %SM-4-BADEVENT: Event 'eapSuccess' is invalid for the current state 'auth_restart': dot1x_auth Fa9
Jan 3 20:41:44 L3A3 316: -Traceback= B37A84 18DAB0 304648 302C80 303228 8F2B64 8E912C
There is no workaround.
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When dynamic ARP inspection is configured on a VLAN, and the ARP traffic on a port in the VLAN is within the configured rate limit, the port might go into an error-disabled state.
The workaround is to configure the burst interval to more than 1 second.
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When dynamic ARP inspection is enabled and IP validation is disabled, the switch drops ARP requests that have a source address of 0.0.0.0.
The workaround is to configure an ARP access control list (ACL) that permits IP packets with a source IP address of 0.0.0.0 (and any MAC) address) and apply the ARP ACL to the desired DAI VLANs.
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When MAC addresses are learned on an Etherchannel port, the addresses are incorrectly deleted from the MAC address table even when the MAC address table aging timeout value is configured to be longer than the ARP timeout value. This causes intermittent unicast packet flooding in the network.
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When you configure an IP address on a switch virtual interface (SVI) with DCHP and enable DHCP snooping on the SVI VLAN, the switch SVI cannot obtain an IP address.
The workaround is to not enable DCHP snooping on the SVI VLAN or to use a static IP address for the SVI.
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During repeated reauthentication of supplicants on an IEEE 802.1x-enabled switch, if the RADIUS server is repeatedly going out of service and then coming back up, the available switch memory might deplete over time, eventually causing the switch to shut down.
There is no work-around, except to ensure that the RADIUS server is stable.
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If IEEE 802.1x critical authentication is not enabled and the RADIUS authentication server is temporarily unavailable during a reauthentication, when the RADIUS server comes back up, MAC authentication bypass (MAB) does not authenticate a previously authenticated client.
The workaround is to enter the shutdown interface configuration command followed by the no shutdown command on the port connected to the client. An alternative, to prevent the problem from occurring, is to enable critical authentication by entering the dot1x critical {eapol | recovery delay milliseconds} global configuration command.
Resolved Caveats
This sections describes the caveats that have been resolved in these releases:
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Resolved Caveats in Cisco IOS Release 12.2(35)SE5
This section describes the caveats that have been resolved in Cisco IOS Release 12.2(35)SE5.
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The output of the show ip route privileged EXEC command now correctly displays the default gateway.
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The switch no longer reloads when the write core privileged EXEC command is entered when testing a core dump configuration and FTP is selected as the file transfer protocol.
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A switch no longer displays this error message when reading from or writing to the configuration file:
%DATACORRUPTION-1-DATAINCONSISTENCY: write of 11 bytes to 10 bytes-Traceback= 0x41186A90 0x411A3960 0x411C1F88 0x413C24B8 0x4031EEDC 0x4032D144 0x411C3974 0x41193D9C 0x4119420C 0x411DF55C 0x411C70AC 0x411E3184 0x425590F4 0x4254BD7C 0x421B5CE0 0x421B5CC4•
When DHCP snooping is enabled on a VLAN, the broadcast DHCP request is now correctly sent over the trusted port and the connected hosts correctly receive their IP addresses.
Resolved Caveats in Cisco IOS Release 12.2(35)SE
This section describes the caveats that have been resolved in Cisco IOS Release 12.2(35)SE.
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When a Cisco IP Phone is connected to a switch, only the voice VLAN (VVID) of the switch learns the MAC address of phone. This is the correct behavior.
In previous releases, the MAC address was learned on both the VVID and the Data VLAN (PVID). When the dynamic MAC addresses were removed (manually or automatically) either by a topology change or by enabling or disabling the port security or the IEEE 802.1x feature, the MAC address of Cisco IP Phones MAC address was relearned only on the VVID.
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When a phone is upgraded to release 6.0(1.0), from 5.0 release, the upgrade no longer fails to complete, and the display no longer reads "Application Invalid".
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When an IEEE 802.1x restricted VLAN is configured on a port and a hub with multiple devices are connected to that port, syslog messages are now generated.
This is not a supported configuration. Only one host should be connected to an IEEE 802.1x restricted VLAN port.
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It is no longer necessary to detach and then reapply a hierarchical policy map to force changes to a VLAN level class-map to take effect.
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Cisco IOS device may crash while processing malformed Secure Sockets Layer (SSL) packets. In order to trigger these vulnerabilities, a malicious client must send malformed packets during the SSL protocol exchange with the vulnerable device.
Successful repeated exploitation of any of these vulnerabilities may lead to a sustained Denial-of-Service (DoS); however, vulnerabilities are not known to compromise either the confidentiality or integrity of the data or the device. These vulnerabilities are not believed to allow an attacker will not be able to decrypt any previously encrypted information.
Cisco IOS is affected by the following vulnerabilities:
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Cisco has made free software available to address these vulnerabilities for affected customers. There are workarounds available to mitigate the effects of these vulnerabilities.
This advisory is posted at http://www.cisco.com/warp/public/707/cisco-sa-20070522-SSL.shtml.
Note
A combined software table for Cisco IOS is available to aid customers in choosing a software releases that fixes all security vulnerabilities published as of May 22, 2007. This software table is available at the following link: http://www.cisco.com/warp/public/707/cisco-sa-20070522-cry-bundle.shtml.
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Cisco IOS device may crash while processing malformed Secure Sockets Layer (SSL) packets. In order to trigger these vulnerabilities, a malicious client must send malformed packets during the SSL protocol exchange with the vulnerable device.
Successful repeated exploitation of any of these vulnerabilities may lead to a sustained Denial-of-Service (DoS); however, vulnerabilities are not known to compromise either the confidentiality or integrity of the data or the device. These vulnerabilities are not believed to allow an attacker will not be able to decrypt any previously encrypted information.
Cisco IOS is affected by the following vulnerabilities:
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Cisco has made free software available to address these vulnerabilities for affected customers. There are workarounds available to mitigate the effects of these vulnerabilities.
This advisory is posted at http://www.cisco.com/warp/public/707/cisco-sa-20070522-SSL.shtml.
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A combined software table for Cisco IOS is available to aid customers in choosing a software releases that fixes all security vulnerabilities published as of May 22, 2007. This software table is available at the following link: http://www.cisco.com/warp/public/707/cisco-sa-20070522-cry-bundle.shtml.
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An extra index no longer appears in the port table of the ciscoStpExtensions MIB.
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A switch no longer fails IEEE 802.1x authentication if it downloads an access control list (ACL) that has more than 20 ACL access control entries (ACEs) from a RADIUS server.
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MAC address notification traps now work when port security is enabled on the interface.
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The switch now forwards an IEEE802.1x request that has null credentials.
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When a source port for a SPAN session has IEEE 802.1x enabled, Extensible Authentication Protocol over LAN (EAPOL) packets are now visible to the packet sniffing tool.
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When you remove the bridge topology change trap with the no snmp-server enable traps bridge topologychange configuration command, the stpx root-inconsistency trap is now active.
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This error message no longer appears during authentication when a method list is used and one of the methods in the method list is removed:
AAA-3-BADMETHODERROR:Cannot process authentication method 218959117•
When the switch displays a STORM_CONTROL-3-SHUTDOWN message, and a port status changes to disabled, the cpscEvent (cpscStatus) Trap no longer incorrectly shows that the CPortStormControlStatusType is 2, which means forwarding.
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When the radius-server source-ports 1645-1646 global configuration command is removed, the switch no longer sends the RADIUS server requests with incorrect source ports and this no longer causes failed authentication attempts.
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When you remove a voice VLAN that has no per-VLAN configuration from a secure port, a PORT_SECURITY-6-VLAN_REMOVED message no longer appears.
Note: If an address was learned on a VLAN, the error message still appears when that VLAN is aged out or removed. However, this does not affect switch functionality.
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If you globally disable IEEE 802.1x authentication by using the no dot1x system-auth-control global configuration command and if the dot1x port-control auto or the dot1x port-control force-unauthorized interface configuration command was previously entered, the dot1x port-control auto or the dot1x port-control force-unauthorized interface configuration command no longer takes effect, and the host can now access the port.
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These DELL-VENDOR-MIB (powerConnect3000MIB) objects no longer return incorrect values:
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In both EXEC and privileged EXEC command modes, if the console session displays command output and pauses at the end of a page (the More prompt shows), the console session is now closed by a console redirection. The console redirection occurs, but the current console session remains active.
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A vulnerability has been discovered in a third party cryptographic library which is used by a number of Cisco products. This vulnerability may be triggered when a malformed Abstract Syntax Notation One (ASN.1) object is parsed. Due to the nature of the vulnerability it may be possible, in some cases, to trigger this vulnerability without a valid certificate or valid application-layer credentials (such as a valid username or password).
Successful repeated exploitation of any of these vulnerabilities may lead to a sustained Denial-of-Service (DoS); however, vulnerabilities are not known to compromise either the confidentiality or integrity of the data or the device. These vulnerabilities are not believed to allow an attacker will not be able to decrypt any previously encrypted information.
The vulnerable cryptographic library is used in the following Cisco products:
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This vulnerability is also being tracked by CERT/CC as VU#754281.
Cisco has made free software available to address this vulnerability for affected customers. There are no workarounds available to mitigate the effects of the vulnerability.
This advisory is posted at http://www.cisco.com/warp/public/707/cisco-sa-20070522-crypto.shtml.
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Cisco IOS device may crash while processing malformed Secure Sockets Layer (SSL) packets. In order to trigger these vulnerabilities, a malicious client must send malformed packets during the SSL protocol exchange with the vulnerable device.
Successful repeated exploitation of any of these vulnerabilities may lead to a sustained Denial-of-Service (DoS); however, vulnerabilities are not known to compromise either the confidentiality or integrity of the data or the device. These vulnerabilities are not believed to allow an attacker will not be able to decrypt any previously encrypted information.
Cisco IOS is affected by the following vulnerabilities:
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Cisco has made free software available to address these vulnerabilities for affected customers. There are workarounds available to mitigate the effects of these vulnerabilities.
This advisory is posted at http://www.cisco.com/warp/public/707/cisco-sa-20070522-SSL.shtml.
Note
A combined software table for Cisco IOS is available to aid customers in choosing a software releases that fixes all security vulnerabilities published as of May 22, 2007. This software table is available at the following link: http://www.cisco.com/warp/public/707/cisco-sa-20070522-cry-bundle.shtml.
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Multiple Cisco products contain either of two authentication vulnerabilities in the Simple Network Management Protocol version 3 (SNMPv3) feature. These vulnerabilities can be exploited when processing a malformed SNMPv3 message. These vulnerabilities could allow the disclosure of network information or may enable an attacker to perform configuration changes to vulnerable devices. The SNMP server is an optional service that is disabled by default. Only SNMPv3 is impacted by these vulnerabilities. Workarounds are available for mitigating the impact of the vulnerabilities described in this document.
The United States Computer Emergency Response Team (US-CERT) has assigned Vulnerability Note VU#878044 to these vulnerabilities.
Common Vulnerabilities and Exposures (CVE) identifier CVE-2008-0960 has been assigned to these vulnerabilities.
This advisory will be posted at http://www.cisco.com/warp/public/707/cisco-sa-20080610-snmpv3.shtml
Documentation Updates
This section provides these updates to the Cisco Catalyst Blade Switch 3030 documentation:
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Updates to the Software Configuration Guide
These are the updates to the software configuration guide for this release:
Update to the "Configuring EtherChannels" chapter
This section was updated in the "Configuring EtherChannels" chapter:
When you configure one end of an EtherChannel in either PAgP or LACP mode, the system negotiates with the other end of the channel to determine which ports should become active. In previous releases, the incompatible ports were suspended. Beginning with Cisco IOS Release 12.2(35)SE, instead of a suspended state, the local port is put into an independent state and continues to carry data traffic as would any other single link. The port configuration does not change, but the port does not participate in the EtherChannel.
Update to the "Configuring IEEE 802.1x chapter
These sections were added to the "Configuring IEEE 802.1x" chapter:
Using Web Authentication
You can use a web browser to authenticate a client that does not support IEEE 802.1x functionality.
You can configure a port to use only web authentication. You can also configure the port to first try and use IEEE 802.1x authentication and then to use web authorization if the client does not support IEEE 802.1x authentication.
Web authentication requires two Cisco Attribute-Value (AV) pair attributes:
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For example:
proxyacl# 10=permit ip any 10.0.0.0 255.0.0.0proxyacl# 20=permit ip any 11.1.0.0 255.255.0.0proxyacl# 30=permit udp any any eq syslogproxyacl# 40=permit udp any any eq tftp
Note
For more information, see the "Configuring Web Authentication" section.
Configuring Web Authentication
Beginning in privileged EXEC mode, follow these steps to configure authentication, authorization, accounting (AAA) and RADIUS on a switch before configuring web authentication. The steps enable AAA by using RADIUS authentication and enable device tracking.
This example shows how to enable AAA, use RADIUS authentication and enable device tracking:
Switch(config) configure terminalSwitch(config)# aaa new-modelSwitch(config)# aaa authentication login default group radiusSwitch(config)# aaa authorization auth-proxy default group radiusSwitch(config)# radius-server host key key1Switch(config)# radius-server attribute 8 include-in-access-reqSwitch(config)# radius-server vsa send authenticationSwitch(config)# ip device trackingSwitch(config) endBeginning in privileged EXEC mode, follow these steps to configure a port to use web authentication:
This example shows how to configure only web authentication on a switch port:
Switch# configure terminalSwitch(config)# ip admission name rule1 proxy httpSwitch(config)# interface gigabit1/0/1Switch(config-if)# switchport mode accessSwitch(config-if)# ip access-group policy1 inSwitch(config-if)# ip admission rule1Switch(config-if)# endBeginning in privileged EXEC mode, follow these steps to configure a switch port for IEEE 802.1x authentication with web authentication as a fallback method:
This example shows how to configure IEEE 802.1x authentication with web authentication as a fallback method.
Switch(config) configure terminalSwitch(config)# ip admission name rule1 proxy httpSwitch(config)# fallback profile fallback1Switch(config-fallback-profile)# ip access-group default-policy in Switch(config-fallback-profile)# ip admission rule1Switch(config-fallback-profile)# exitSwitch(config)# interface gigabit1/0/1Switch(config-if)# switchport mode accessSwitch(config-if)# dot1x port-control autoSwitch(config-if)# dot1x fallback fallback1Switch(config-if)# endFor more information about the ip admission name and dot1x fallback commands, see the command reference for this release.
Updates to the Command Reference
These commands were added:
dot1x fallback
Use the dot1xfallback interface configuration command on the switch stack or on a standalone switch to configure a port to use web authentication as a fallback method for clients that do not support IEEE 802.1x authentication. To return to the default setting, use the no form of this command.
dot1x fallback profile
no dot1x fallback
Syntax Description
Defaults
No fallback is enabled.
Command Modes
Interface configuration
Command History
Usage Guidelines
You must enter the dot1x port-control auto interface configuration command on a switch port before entering this command.
Examples
This example shows how to specify a fallback profile to a switch port that has been configured for IEEE 802.1x authentication:
Switch# configure terminalEnter configuration commands, one per line. End with CNTL/Z.Switch(config)# interface gigabitethernet1/0/3Switch(config-if)# dot1x fallback profile1Switch(config-fallback-profile)# exitSwitch(config)# endYou can verify your settings by entering the show dot1x [interface interface-id] privileged EXEC command.
Related Commands
fallback profile
Use the fallback profile global configuration command on the switch stack or on a standalone switch to create a fallback profile for web authentication. To return to the default setting, use the no form of this command.
fallback profile profile
no fallback profile
Syntax Description
Defaults
No fallback profile is configured.
Command Modes
Global configuration
Command History
Usage Guidelines
The fallback profile is used to define the IEEE 802.1x fallback behavior for IEEE 802.1x ports that do not have supplicants. The only supported behavior is to fall back to web authentication.
After entering the fallback profile command, you enter profile configuration mode, and these configuration commands are available:
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Examples
This example shows how to create a fallback profile to be used with web authentication:
Switch# configure terminalSwitch(config)# ip admission name rule1 proxy httpSwitch(config)# fallback profile profile1Switch(config-fallback-profile)# ip access-group default-policy in Switch(config-fallback-profile)# ip admission rule1Switch(config-fallback-profile)# exitSwitch(config)# interface gigabitethernet 1/0/1Switch(config-if)# dot1x fallback profile1 Switch(config-if)# endYou can verify your settings by entering the show running-configuration [interface interface-id] privileged EXEC command.
Related Commands
ip admission
Use the ip admission interface configuration command to enable web authentication. You can also use this command in fallback-profile mode. Use the no form of this command to disable web authentication.
ip admission rule
no ip admission
Syntax Description
Command Modes
Global configuration
Command History
Usage Guidelines
The ip admission command applies a web authentication rule to a switch port.
Examples
This example shows how to apply a web authentication rule to a switchport:
Switch# configure terminalSwitch(config)# interface gigabitethernet1/0/1Switch(config-if)# ip admission rule1This example shows how to apply a web authentication rule to a fallback profile for use on an IEEE 802.1x enabled switch port.
Switch# configure terminalSwitch(config)# fallback profile profile1Switch(config)# ip admission name rule1Switch(config)# endRelated Commands
ip admission name proxy http
Use the ip admission name proxy http global configuration command to enable web authentication. Use the no form of this command to disable web authentication.
ip admission name proxy http
no ip admission name proxy http
Syntax Description
This command has no arguments or keywords.
Defaults
Web authentication is disabled.
Command Modes
Global configuration
Command History
Usage Guidelines
The ip admission name proxy http command globally enables web authentication on a switch.
After you enable web authentication on a switch, use the ip access-group in and ip admission web-rule interface configuration commands to enable web authentication on a specific interface.
Examples
This example shows how to configure only web authentication on a switchport:
Switch# configure terminalSwitch(config) ip admission name http-rule proxy httpSwitch(config)# interface gigabitethernet1/0/1Switch(config-if)# ip access-group 101 inSwitch(config-if)# ip admission ruleSwitch(config-if)# endThis example shows how to configure IEEE 802.1x authentication with web authentication as a fallback mechanism on a switchport.
Switch# configure terminalSwitch(config)# ip admission name rule2 proxy httpSwitch(config)# fallback profile profile1Switch(config)# ip access group 101 inSwitch(config)# ip admission name rule2Switch(config)# interface gigabitethernet1/0/1Switch(config-if)# dot1x port-control autoSwitch(config-if)# dot1x fallback profile1Switch(config-if)# endRelated Commands
show fallback profile
Use the show fallback profile privileged EXEC command to display the fallback profiles that are configured on a switch.
show fallback profile [ append | begin | exclude | include | { [redirect | tee ] url } expression ]
Syntax Description
Command Modes
Privileged EXEC
Command History
Usage Guidelines
Use the show fallback profile privileged EXEC command to display profiles that are configured on the switch.
Expressions are case sensitive. For example, if you enter | exclude output, the lines that contain output are not displayed, but the lines that contain Output are displayed.
Examples
This is an example of output from the show fallback profile command:
switch# show fall profileProfile Name: dot1x-www------------------------------------Description : NONEIP Admission Rule : webauth-fallbackIP Access-Group IN: default-policyProfile Name: dot1x-www-lpip------------------------------------Description : NONEIP Admission Rule : web-lpipIP Access-Group IN: default-policyProfile Name: profile1------------------------------------Description : NONEIP Admission Rule : NONEIP Access-Group IN: NONERelated Commands
Updates to the System Message Guide
These system messages were added to the system message guide:
Error Message DOT1X-5-SECURITY_VIOLATION: Security violation on the interface [chars], new MAC address [enet] is seen.Explanation A host on the specified interface is trying to access the network or to authenticate in a host mode that does not support the number of hosts attached to the interface. This is a security violation, and the port is put in the error-disabled state.
Recommended Action Ensure that the interface is configured to support the number of attached hosts. Enter the shutdown interface configuration command and then the no shutdown interface configuration command to restart the port.
Error Message DOT1X_SWITCH-5-ERR_VLAN_EQ_VVLAN: Data VLAN [dec] on port [chars] cannot be equivalent to the Voice VLAN.Explanation The IEEE 802.1x-assigned VLAN on a port cannot be the same as the voice VLAN. [dec] is the data VLAN ID, and [chars] is the port.
Recommended Action Configure either a different voice VLAN or a different IEEE 802.1x-assigned access VLAN on the interface. The authentication then proceeds normally on the next retry.
Error Message FRNTEND_CTRLR-1-MGR_TXQ_FULL: The front end controller Tx queue reached watermark levelExplanation There are too many messages in the queue between the front-end controller and the switch software.
Recommended Action Try reloading the switch. If this does not resolve the issue, this might be a hardware problem. Contact the Cisco technical support representative.
Error Message GBIC_SECURITY_CRYPT-4-ID_MISMATCH: Identification check failed for GBIC in port [chars]Explanation The small form-factor pluggable (SFP) module was identified as a Cisco SFP module, but the system could not verify its identity. [chars] is the port.
Recommended Action Ensure that the Cisco IOS software running on the switch supports the SFP module. You might need to upgrade your software. Otherwise, verify that the SFP module was obtained from Cisco or from a supported vendor.
Error Message GBIC_SECURITY_CRYPT-4-UNRECOGNIZED_VENDOR: GBIC in port [chars] manufactured by an unrecognized vendorExplanation The small form-factor pluggable (SFP) module was identified as a Cisco SFP module, but the switch could not match its manufacturer with one on the known list of Cisco SFP module vendors. [chars] is the port.
Recommended Action Ensure that the Cisco IOS software running on the switch supports the SFP module. You might need to upgrade your software.
Error Message GBIC_SECURITY_CRYPT-4-VN_DATA_CRC_ERROR: GBIC in port [chars] has bad crcExplanation The small form-factor pluggable (SFP) module was identified as a Cisco SFP module, but it does not have a valid cyclic redundancy check (CRC) in the EEPROM data. [chars] is the port.
Recommended Action Ensure that the Cisco IOS software running on the switch supports the SFP module. You might need to upgrade your software. Even if the switch does not recognize the SFP module, it might still operate properly but have limited functionality.
Error Message PHY-4-UNSUPPORTED_SFP_CARRIER: Unsupported SFP carrier module found in [chars]Explanation The switch has identified the small form-factor pluggable (SFP) module as an unsupported non-Cisco SFP module. [chars] is the interface.
Recommended Action Remove the unsupported SFP module, and use a supported module.
Error Message PORT_SECURITY-6-ADDR_REMOVED: Address [dec]:[enet] exists on port [chars]. It has been removed from port [chars].Explanation A routed port is reconfigured as a switch port. The address in the previous switch configuration conflicts with the running configuration and has been deleted. [dec]:[enet] is the MAC address of the port. [chars] is the reconfigured port.
Recommended Action No action is required.
Error Message WCCP-5-SERVICEFOUND: Service [chars] acquired on WCCP Client [IP_address]Explanation Web Cache Communication Protocol (WCCP) has found a service on the specified WCCP client. [chars] is the name of the service, and [IP_address] is the client IP address.
Recommended Action No action is required.
Error Message WCCP-1-SERVICELOST: Service [chars] lost on WCCP Client [IP_address]Explanation WCCP has lost the service associated with the specified WCCP client. [chars] is the name of the service, and [IP_address] is the client IP address.
Recommended Action Verify the operational state of the WCCP client.
These system messages were updated in the system message guide:
Error Message EC-5-CANNOT_BUNDLE_LACP: [chars] is not compatible with aggregators in channel [dec] and cannot attach to them ([chars]).Explanation The port has different port attributes than the port channel or ports within the port channel. [chars] is the incompatible port. [chars] is the short interface name, such as Gi1/0/1 on a Catalyst 3750 switch, [dec] is the channel group number, and the last [chars] is the reason.
Recommended Action For the port to join the bundle, change the port attributes so that they match the port.
Error Message EC-5-DONTBNDL: [chars] suspended: incompatible remote port with [chars]Recommended Action The configuration of the remote port differs from the configuration of other remote ports in the bundle. A port can only join the bundle when its global configuration and the configuration of the remote port are the same as other ports in the bundle. The first [chars] is the suspended local interface, and the second [chars] is the local interface that is already bundled.
Error Message PORT_SECURITY-6-VLAN_REMOVED: VLAN [int] is no longer allowed on port [chars]. Its port security configuration has been removed.Explanation A configured VLAN has been excluded either due to a port-mode change or an allowed VLAN list change and is removed from the configuration. [int] is the VLAN ID, and [chars] is the switch port assigned to the VLAN.
Recommended Action No action is required.
Related Documentation
These documents provide complete information about the Cisco Catalyst Blade Switch 3030 and are available at Cisco.com:
http://www.cisco.com/en/US/products/ps6748/tsd_products_support_series_home.html
You can order printed copies of documents with a DOC-xxxxxx= number from the Cisco.com sites listed in the "Obtaining Documentation" section.
These documents provide complete information about the Cisco Catalyst Blade Switch 3030:
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Obtaining Documentation
Cisco documentation and additional literature are available on Cisco.com. This section explains the product documentation resources that Cisco offers.
Cisco.com
You can access the most current Cisco documentation at this URL:
http://www.cisco.com/techsupport
You can access the Cisco website at this URL:
You can access international Cisco websites at this URL:
http://www.cisco.com/public/countries_languages.shtml
Product Documentation DVD
The Product Documentation DVD is a library of technical product documentation on a portable medium. The DVD enables you to access installation, configuration, and command guides for Cisco hardware and software products. With the DVD, you have access to the HTML documentation and some of the PDF files found on the Cisco website at this URL:
http://www.cisco.com/univercd/home/home.htm
The Product Documentation DVD is created and released regularly. DVDs are available singly or by subscription. Registered Cisco.com users can order a Product Documentation DVD (product number DOC-DOCDVD= or DOC-DOCDVD=SUB) from Cisco Marketplace at the Product Documentation Store at this URL:
http://www.cisco.com/go/marketplace/docstore
Ordering Documentation
You must be a registered Cisco.com user to access Cisco Marketplace. Registered users may order Cisco documentation at the Product Documentation Store at this URL:
http://www.cisco.com/go/marketplace/docstore
If you do not have a user ID or password, you can register at this URL:
http://tools.cisco.com/RPF/register/register.do
Documentation Feedback
You can provide feedback about Cisco technical documentation on the Cisco Support site area by entering your comments in the feedback form available in every online document.
Cisco Product Security Overview
Cisco provides a free online Security Vulnerability Policy portal at this URL:
http://www.cisco.com/en/US/products/products_security_vulnerability_policy.html
From this site, you will find information about how to do the following:
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A current list of security advisories, security notices, and security responses for Cisco products is available at this URL:
To see security advisories, security notices, and security responses as they are updated in real time, you can subscribe to the Product Security Incident Response Team Really Simple Syndication (PSIRT RSS) feed. Information about how to subscribe to the PSIRT RSS feed is found at this URL:
http://www.cisco.com/en/US/products/products_psirt_rss_feed.html
Reporting Security Problems in Cisco Products
Cisco is committed to delivering secure products. We test our products internally before we release them, and we strive to correct all vulnerabilities quickly. If you think that you have identified a vulnerability in a Cisco product, contact PSIRT:
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An emergency is either a condition in which a system is under active attack or a condition for which a severe and urgent security vulnerability should be reported. All other conditions are considered nonemergencies.
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In an emergency, you can also reach PSIRT by telephone:
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Tip
Never use a revoked encryption key or an expired encryption key. The correct public key to use in your correspondence with PSIRT is the one linked in the Contact Summary section of the Security Vulnerability Policy page at this URL:
http://www.cisco.com/en/US/products/products_security_vulnerability_policy.html
The link on this page has the current PGP key ID in use.
If you do not have or use PGP, contact PSIRT to find other means of encrypting the data before sending any sensitive material.
Product Alerts and Field Notices
Modifications to or updates about Cisco products are announced in Cisco Product Alerts and Cisco Field Notices. You can receive these announcements by using the Product Alert Tool on Cisco.com. This tool enables you to create a profile and choose those products for which you want to receive information.
To access the Product Alert Tool, you must be a registered Cisco.com user. Registered users can access the tool at this URL:
http://tools.cisco.com/Support/PAT/do/ViewMyProfiles.do?local=en
To register as a Cisco.com user, go to this URL:
http://tools.cisco.com/RPF/register/register.do
Obtaining Technical Assistance
Cisco Technical Support provides 24-hour-a-day award-winning technical assistance. The Cisco Support website on Cisco.com features extensive online support resources. In addition, if you have a valid Cisco service contract, Cisco Technical Assistance Center (TAC) engineers provide telephone support. If you do not have a valid Cisco service contract, contact your reseller.
Cisco Support Website
The Cisco Support website provides online documents and tools for troubleshooting and resolving technical issues with Cisco products and technologies. The website is available 24 hours a day at this URL:
http://www.cisco.com/en/US/support/index.html
Access to all tools on the Cisco Support website requires a Cisco.com user ID and password. If you have a valid service contract but do not have a user ID or password, you can register at this URL:
http://tools.cisco.com/RPF/register/register.do
Note
Tip
If you suspect that the browser is not refreshing a web page, force the browser to update the web page by holding down the Ctrl key while pressing F5.
To find technical information, narrow your search to look in technical documentation, not the entire Cisco.com website. After using the Search box on the Cisco.com home page, click the Advanced Search link next to the Search box on the resulting page and then click the Technical Support & Documentation radio button.
To provide feedback about the Cisco.com website or a particular technical document, click Contacts & Feedback at the top of any Cisco.com web page.
Submitting a Service Request
Using the online TAC Service Request Tool is the fastest way to open S3 and S4 service requests. (S3 and S4 service requests are those in which your network is minimally impaired or for which you require product information.) After you describe your situation, the TAC Service Request Tool provides recommended solutions. If your issue is not resolved using the recommended resources, your service request is assigned to a Cisco engineer. The TAC Service Request Tool is located at this URL:
http://www.cisco.com/techsupport/servicerequest
For S1 or S2 service requests, or if you do not have Internet access, contact the Cisco TAC by telephone. (S1 or S2 service requests are those in which your production network is down or severely degraded.) Cisco engineers are assigned immediately to S1 and S2 service requests to help keep your business operations running smoothly.
To open a service request by telephone, use one of the following numbers:
Asia-Pacific: +61 2 8446 7411
Australia: 1 800 805 227
EMEA: +32 2 704 55 55
USA: 1 800 553 2447For a complete list of Cisco TAC contacts, go to this URL:
http://www.cisco.com/techsupport/contacts
Definitions of Service Request Severity
To ensure that all service requests are reported in a standard format, Cisco has established severity definitions.
Severity 1 (S1)—An existing network is "down" or there is a critical impact to your business operations. You and Cisco will commit all necessary resources around the clock to resolve the situation.
Severity 2 (S2)—Operation of an existing network is severely degraded, or significant aspects of your business operations are negatively affected by inadequate performance of Cisco products. You and Cisco will commit full-time resources during normal business hours to resolve the situation.
Severity 3 (S3)—Operational performance of the network is impaired while most business operations remain functional. You and Cisco will commit resources during normal business hours to restore service to satisfactory levels.
Severity 4 (S4)—You require information or assistance with Cisco product capabilities, installation, or configuration. There is little or no effect on your business operations.
Obtaining Additional Publications and Information
Information about Cisco products, technologies, and network solutions is available from various online and printed sources.
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http://www.cisco.com/offer/subscribe
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http://www.cisco.com/go/marketplace/
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http://www.cisco.com/en/US/products/index.html
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http://www.cisco.com/discuss/networking
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http://www.cisco.com/univercd/cc/td/doc/abtunicd/136957.htm
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http://www.cisco.com/en/US/learning/index.html
This document is to be used in conjunction with the documents listed in the "Related Documentation" section.
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