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Table Of Contents
Cisco MDS 9000 Family Release Notes
for Cisco MDS SAN-OS Release 1.3(4b)Determining the Software Version
New Features in Release 1.3(4b)
Cisco Product Security Overview
Reporting Security Problems in Cisco Products
Obtaining Technical Assistance
Cisco Technical Support Website
Definitions of Service Request Severity
Obtaining Additional Publications and Information
Cisco MDS 9000 Family Release Notes
for Cisco MDS SAN-OS Release 1.3(4b)
Release Date: June 14, 2004
Text Part Number: OL-4959-06 Rev. R0
This document describes the caveats and limitations for switches in the Cisco MDS 9000 Family. Use this document in conjunction with documents listed in the "Related Documentation" section.
Note
Releases notes are sometimes updated with new information on restrictions and caveats. Refer to the following website for the most recent version of the Cisco MDS 9000 Family Release Note: http://www.cisco.com/en/US/products/hw/ps4159/ps4358/prod_release_notes_list.html
Table 1 shows the on-line change history for this document.
Table 1 On-Line Change History
A0
8/10/2004
Added DDTS CSCef00869.
B0
9/2/2004
Added DDTS CSCed64425.
C0
11/9/2004
Added DDTS CSCef83504
D0
11/17/2004
Added DDTS CSCeg23889 and image upgrade references.
E0
12/07/2004
Added DDTS CSCef65409
F0
12/08/2004
Added DDTS CSCin81760
G0
12/22/2004
Added DDTS CSCeg61535
H0
01/14/2005
Added DDTS CSCeg56197.
I0
02/22/2005
Added DDTS CSCee83961, CSCee89946, CSCef06657, CSCee95629, CSCin74613, CSCee04343, CSCef12062, CSCee79377, CSCee65091, CSCee54650, CSCef21105
J0
03/24/2005
Added DDTS CSCed20053, CSCee89946, CSCef06657, CSCef70000, CSCeg13762, CSCeg18886, CSCeh21199.
Corrected state of DDTS CSCef65409.
K0
05/31/2005
Added DDTS CSCeh42252 and CSCeg66225.
L0
05/23/2005
Added DDTS CSCei25319.
M0
07/29/2005
Added DDTS CSCed57251, CSCeh61610, and .
N0
08/22/2005
Removed DDTS CSCeh61610.
O0
08/23/2005
Added DDTS CSCeh61610.
P0
05/01/2006
Added DDTS CSCeg84871, CSCei91676, CSCej08751,and CSCsc33788.
Q0
06/06/2006
Removed DDTS CSCed16845.
R0
02/26/2007
Added DDTS CSCsh27840.
Contents
This document includes the following section:
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Introduction
The Cisco MDS 9000 Family of multilayer directors and fabric switches offers intelligent fabric-switching services that realize maximum performance while ensuring high reliability levels. These switches combine robust and flexible hardware architecture with multiple layers of network and storage management intelligence. This powerful combination enables highly available, scalable storage networks that provide advanced security and unified management features.
The Cisco MDS 9000 Family provides intelligent networking features such as multiprotocol and multitransport integration, virtual SANs (VSANs), advanced security, sophisticated debug analysis tools, and unified SAN management.
System Requirements
This section describes the system requirements for Cisco MDS SAN-OS Release 1.3(4b) and includes the following topics:
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Hardware Supported
Table 2 lists the hardware components supported on the Cisco MDS 9000 Family.
Table 2 Cisco MDS 9000 Family Supported Hardware Modules
Software
Not orderable
MDS 9500 Series supervisor/fabric-I, enterprise software
MDS 9500 Series only
MDS 9216 enterprise software
MDS 9216 only
MDS 9100 Series enterprise software
MDS 9100 Series only
Chassis
DS-C9509
MDS 9509 director, base configuration (9-slot modular chassis includes 7 slots for switching modules and 2 slots for supervisor modules—SFPs sold separately)
MDS 9509 only
DS-C9506
MDS 9506 director (6-slot modular chassis includes 4 slots for switching modules and 2 slots for supervisor modules—SFPs sold separately.
MDS 9506 only
DS-C9216-K9
MDS 9216 16-port semi-modular fabric switch (includes sixteen 1 / 2-Gbps Fibre Channel ports, power supply, and expansion slot—SFPs sold separately)
MDS 9216 only
DS-C9120-K9
MDS 9120 fixed configuration, non-modular, fabric switch (includes 4 full rate ports and 16 host-optimized ports)
MDS 9120 only
DS-C9140-K9
MDS 9140 fixed configuration (non-modular) fabric switch (includes 8 full rate ports and 32 host-optimized ports)
MDS 9140 only
Supervisor modules
DS-X9530-SF1-K9
MDS 9500 supervisor/fabric-I, module
MDS 9500 Series only
Switching modules
DS-X9016
MDS 9000 16-port 2/1-Gbps Fibre Channel module (SFPs sold separately)
MDS 9500 Series and 9216
DS-X9032
MDS 9000 32-port 2/1-Gbps Fibre Channel module (SFPs sold separately)
Services modules
DS-X9308-SMIP
8-port Gigabit Ethernet IP storage services module.
DS-X9304-SMIP
4-port Gigabit Ethernet IP storage services module.
DS-X9032-SMV
32-port Fibre Channel Advanced Services Module (ASM).
DS-X9560-SMC
Caching Services Module (CSM)
LC-type fiber-optic SFP1
DS-SFP-FC-2G-SW
2/1-Gbps Fibre Channel — short wave SFP
MDS 9000 Family
DS-SFP-FC-2G-LW
2/1-Gbps Fibre Channel — long wave SFP
DS-SFP-FCGE-SW
1-Gbps Ethernet and 2/1-Gbps Fibre Channel—short wave SFP
DS-SFP-FCGE-LW
1-Gbps Ethernet and 2/1-Gbps Fibre Channel — long wave SFP
CWDM2
CWDM-SFP-xxxx-2G
Gigabit Ethernet and 2/1-Gbps Fibre Channel SFP LC interface xxxx nm, where xxxx = 1470, 1490, 1510, 1530, 1550, 1570, 1590, or 1610 nm
MDS 9000 Family
CWDM-MUX-4
Add/drop multiplexer for four CWDM wavelengths
CWDM-MUX-8
Add/drop multiplexer for eight CWDM wavelengths
CWDM-CHASSIS-2
Two slot chassis for CWDM add/drop multiplexer(s)
Power supplies
DS-CAC-300W
300W AC power supply
MDS 9100 Series only
DS-CAC-845W
845W3 AC power supply
MDS 9216 only
DS-CAC-2500W
2500W AC power supply
MDS 9509 only
DS-CDC-2500W
2500W DC power supply
DS-CAC-4000W-US
4000W AC power supply for US (cable attached)
DS-CAC-4000W-INT
4000W AC power supply international (cable attached)
DS-CAC-1900W
1900W AC power supply
MDS 9506 only
DS-CDC-1900W
1900W DC power supply
CompactFlash
MEM-MDS-FLD512M
MDS 9500 supervisor CompactFlash disk, 512MB
MDS 9500 Series only
Port analyzer adapter
DS-PAA
A standalone Fibre Channel-to-Ethernet adapter that allows for simple, transparent analysis of Fibre Channel traffic in a switched fabric.
MDS 9000 Family
DS-PAA-2
1 SFP = small form factor pluggable
2 CWDM = coarse wave division multiplexing
3 W = Watt
Determining the Software Version
Note
To determine the version of the Cisco SAN-OS software currently running on a Cisco MDS 9000 Family switch using the CLI, log into the switch and enter the show version EXEC command.
To determine the version of the Cisco SAN-OS software currently running on a Cisco MDS 9000 Family switch using the Fabric Manager, view the Switches tab in the information pane, locate the switch, using the IP Address, Logical Name, or WWN, and check its version in the Release column.
Image Upgrade
The Cisco MDS SAN-OS software is designed for mission-critical high availability environments. To realize the benefits of nondisruptive upgrades on the Cisco MDS 9500 Directors, we highly recommend that you install dual supervisor modules.
You can nondisruptively upgrade to (or downgrade from) Release 1.3(4b) using any Cisco MDS SAN-OS software release other than Release 1.0(2a).
Note
New Features in Release 1.3(4b)
Cisco MDS SAN-OS Release 1.3(4b) is a release for switches in the Cisco MDS 9000 Family. See the "Caveats" section for details on closed and outstanding caveats and limitations.
Note
Caveats
This section lists the caveats and corrected caveats for this release. Use Table 3 to determine the status of a particular caveat. In the table, "R" indicates a resolved caveat, and "O" indicates an open caveat.
Resolved Caveats
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Symptom: If you add routes to new switches while in interop mode and later move the switches back to the default mode, then further updates to the FSPF database are not sent to the new switches, causing routes to be lost after one hour.
If a switch remains in the default mode or interop mode, this problem does not arise. It only arises if you move from the interop mode to the default mode in an active VSAN.
Workaround: Perform one of the following workarounds on each switch which was moved from the interop mode to default mode
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Symptom: If a malfunctioning device does not swap the source and destination FCIDs, a PLOGI frame sent by this device can cause high CPU utilization. These PLOGI frame errors are reported by the zone server.
Workaround: None.
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Symptom: In some rare instances in Cisco MDS SAN-OS Release 1.3, 2.0, and 2.1(1), when the IP Storage Services (IPS) module restarted after a failure, VSAN membership information about iSCSI interfaces was lost. However, a configuration saved with the copy running-config startup command was not lost.
Workaround: None.
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Symptom: Some sessions on the iSCSI host remain in reconnecting state after the host or the switch is rebooted.
Workaround: Manually log off and log on to the switch.
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Symptom: You can TFTP to a Cisco MDS switch through the management interface from any TFTP client. In SAN-OS Releases 1.3(4a), 1.3(4b) and 1.3(5), a default IP access control list (ACL) rule is added to block frames for ports like TFTP, SUNRP and BOOTP.
Workaround: For Cisco MDS SAN-OS Releases 1.2(1a), 1.2(1b), 1.2(2a), 1.3(1), 1.3(2a), 1.3(3), and 1.3(3c), manually create the drop rule by issuing the following commands in succession:
switch(config)# ip access-list abc deny udp any any eq port 69switch(config)# ip access-list abc permit ip any anyswitch(config)# interface mgmt 0switch(config-if)# ip access-group abc•
Symptom: In some rare cases, duplicate ACKs sent from a host to an IP Storage (IPS) services port triggers a TCP fast retransmit even if the IPS port did not receive three consecutive, duplicate ACKs.
Workaround: None. This is an enhancement.
Open Caveats
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Symptom: A nondisruptive software upgrade/downgrade between Release 1.3(4a) and Release 1.3(4b) fails when started from the Fabric Manager application due to an SNMP error. This problem is only a result of the SNMP agent and not of the Fabric Manager application.
Workaround: Use the command-line interface (CLI) to upgrade/downgrade from Release 1.3(4a) to Release 1.3(4b). Do not use the Fabric Manager to downgrade/upgrade software between these software versions.
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Symptom: A license installation failure occurs on the Cisco MDS 9216A switch running Cisco SAN-OS software releases 1.3(2a), 1.3(4a) and 1.3(5).
Workaround: Upgrade to Cisco SAN-OS software releases 1.3(6), 2.0(1b) or later for successful license installation. If desired, the Cisco MDS 9216A switch can then be downgraded to releases 1.3(2a), 1.3(4a), or 1.3(5).
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Symptom: After a Cisco MDS switch is power cycled, in some cases, the VRRP state of the IPS interfaces remains in the init state.
Workaround: Issue the shutdown command followed by the no shutdown command for the impacted interface to restart the VRRP state machine
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Symptom: Cisco MDS SAN-OS Release 1.3(4b) for the Cisco MDS 9000 Family is incompatible with Cisco MDS SVC Release 1.3(4m).
Workaround: None.
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Symptom: If a host is connected to a Cisco MDS switch that is also connected to a loop (FL/NL port) and the loop goes down, an RSCN is sent to the host and the host performs a name server query. Even if the port is down, the name server continues to respond with the port ID of the offline port.
Workaround: None.
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Symptom: SNMP daemon crashes periodically on a Cisco MDS 9000 Family switch running Release 1.3(4a). Issue the show process memory | include snmp commands at regular intervals to show the pattern of a memory increase.
Workaround: Upgrade to Cisco MDS SAN-OS Release 1.3(6).
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Symptom: The system does not recognize a CLI password containing the "$" character.
Workaround: Change your password to a different string that does not include the "$" character. For an admin user-account, you might have to perform the password-recovery procedure to reset the password.
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Symptom: If multiple "get all next" queries are sent before receiving a response from the first one, some queries might be dropped as they overwhelm the name server buffers. Some arrays do this to improve performance, resulting in dropped queries.
Workaround: Upgrade to Cisco MDS SAN-OS Release 1.3(6).
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Symptom: License warning notifications, either through Call Home or system messages, might occur in the following situations:
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Symptom: When an iSCSI initiator logs in to a Gigabit Ethernet port number 1 on an IPS module in slot 1, the switch sends a login response with the value of the Target Session Identifying Handle (TSIH) field set to zero (0), which is an iSCSI protocol violation. This situation can also occur when an iSCSI initiator logs in to Ethernet PortChannel number 1. The Qlogic iSCSI initiator may verify the TSIH value and reject it.
Workaround: None.
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Symptom: The license file corrupts when it is saved to a local disk.
Workaround: None.
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Symptom: While using an FCIP link for remote SPAN, it is possible that the FCIP link may flap.
Workaround: Do not use FCIP links for Remote SPAN.
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Symptom: FCIP Write Acceleration does not work with certain storage replication subsystems.
Workaround: None.
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Sympton: An error message in the log file occurs because the platform manager component passes the wrong parameter while responding to a SNMP query. In some cases, this results in the query not being responded to.
Workaround: Perform a refresh on Device Manager to clear the problem.
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Symptom: When IVR is enabled, the Fabric-Device Management Interface information is not transferred across VSANs for IVR devices.
Workaround: None.
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Symptom: During a switch upgrade, a SAN Volume Controller (SVC) node may not save its entire state under rare circumstances. This results in that node not being part of the cluster after the switch upgrade. Verify this symptom by issuing the show nodes local command at the svc-config prompt—the command output displays the following information:
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Workaround: Manually remove the SVC node from the cluster and then add the node back into the cluster. Refer to Cisco MDS 9000 Family SAN Volume Controller Configuration Guide for procedural details.
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Symptom: On rare occasions, the install license command may fail due to the saved state of the switch configuration. This may occur after saving a remote configuration to the switch using the copy remote-url start-up command.
Workaround: Issue the copy ru st command. The install license command should work properly after that.
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Symptom: If the SAN-OS fcanalyzer local display-filter command is issued in configuration mode with prepended lengthy and intricate filtering strings, it may cause the actual analyzer process to terminate. There is no impact on the stability of the Cisco MDS switch. Configurations without lengthy display-filters work fine.
Workaround: None.
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Symptom: If you are logging in to a switch through SSH and you have issued the aaa authentication login default none command, you must enter one or more key strokes to log in. If you press the Enter key without entering at least one keystroke, your log in will be rejected.
If you are logging in through Telnet, just press the Enter key when prompted for password.
Workaround: None.
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Symptom: If the switch contains one or more IPS-4 modules with productID DS-X9304-SMIP and a downgrade is performed from Cisco MDS SAN-OS Releases 1.3(3c), 1.3(4), or 1.3(4a) to SAN-OS Releases 1.3(3), 1.3(2a), 1.3(2), or 1.3(1), the service platform terminates abruptly during an SNMP query causing service disruption.
Workaround: It is necessary to physically remove all the IPS-4 modules with productID DS-X9304-SMIP prior to starting the downgrade. It is not sufficient to power down the module.
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Symptom: When you issue commands relating to the SVC interface and then issue the copy command, the switch may sometimes remain in the hung state for an indefinite period.
Workaround: Enter Ctrl-C to exit the hung state, log out of the switch, relogin to the switch, and finally issue the copy command.
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Symptom: Users downloading Java Runtime Environment version 1.4.2_01 or earlier from the EMC CorporationTM website, will not have the necessary SSL authorization certificate to validate the one-click license installation process.
Workaround: Upgrade to Java Runtime Environment version 1.4.2_04 or higher.
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Symptom: Under rare circumstances, it is possible to lose the cluster IP address when the config node fails. This problem is fixed in SAN-OS Release 1.3(5).
Workaround: For releases prior to SAN-OS 1.3(5):
a.
b.
c.
d.
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Symptom: The zone merge feature fails to merge in a large fabric with several zone sets
Workaround: None.
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Symptom: With an MDS translative loop (TL) port, the assignment of proxy ALPA to the same fabric-based target WWN may vary if the sequence of targets joining the fabric changes (for example, after a reboot). This causes problems for private HBAs in HP-UX systems that access more than one fabric-based (public) targets. This is because HP-UX builds device definitions (CxTxDx) based on the ALPA/loop ID.
Workaround: Only zone the private HBA with one target pWWN.
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Symptom: Your SSH login may fail if you do not have a local user account on the switch and if you use remote AAA (RADIUS/TACACS+) server authentication. This problem is fixed in SAN-OS 1.3(5).
Workaround: For releases prior to SAN-OS 1.3(5), first login through Telnet. Subsequent SSH logins will function after the first Telnet login.
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Symptom: This caveat applies to Release 1.1(1) up to, and including, Release 1.3(4b). The Fibre Channel port link reinitialization sequence triggered by a link down event does not succeed if the switching module is up for more than 248 days and the last shutdown command on that port was issued 248 days prior to the link failure. After the link-down event, the port remains in the link failure or not connected state as shown in the following command output:
switch# show interface fc2/1fc2/1 is down (Link failure or not-connected)Workaround: Issue the shutdown command, followed by the no shutdown command, on the affected port to bring the port back to link-up state as shown in the following command output:
switch# config tswitch(config)# interface fc2/1switch(config)# shutdownswitch(config)# no shutdownIssue the following commands to verify the module uptime.
switch# attach module 2Attaching to module 2 ...To exit type exit, to abort type $.
module-2# show versionSoftwareBIOS: version 1.0.8system: version 2.0(1) [build 2.0(0.139)]BIOS compile time: 08/07/03system compile Time: 10/25/2020 12:00:00HardwareRAM 186668 kBbootflash: 125184 blocks (block size 512b)lc02 uptime is 11 days 18 hours 18 minute(s) 9 second(s)Other notes:
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Symptom: If a host is connected to a Cisco MDS switch that is also connected to a loop (FL/NL port) and the loop goes down, an RSCN is sent to the host and the host performs a name server query. Even if the port is down, the name server continues to respond with the port ID of the offline port.
Workaround: None.
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Symptom: Cisco MDS Fabric Manager and Device Manager users cannot change their own password unless their role has the SNMP server accurately assigned. If RADIUS or TACACS+ is not configured, the SNMPv3 user password is stored locally on the switch and prevents users from changing their own password in FM/DM unless their role is granted access to the snmp-server command. If you permit these users to access the complete SNMP server feature, they can also create new SNMPv3 users and communities with more privileges than themselves.
Workaround: None.
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Symptom: The Cisco MDS 9500 supervisor module did not send a gratuitous ARP for CSM cluster IP address. This caused the host to lose connectivity to the Cluster IP address during a supervisor switchover. This problem is fixed in SAN-OS 1.3(5).
Workaround: For releases prior to SAN-OS 1.3(5), decrease the ARP cache timeout or manually delete the ARP entry for CSM cluster IP address at the host.
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Symptom: If you downgrade from Cisco MDS SAN-OS Release 1.3(5) to Release 1.3(4), then you might lose your per-VSAN in-order delivery configuration.
Workaround: Reconfigure your system with the per-VSAN in-order delivery configuration.
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Symptom: Configuring the CIM server certificate as listed below might cause your switch to crash.
a.
b.
c.
d.
e.
f.
Workaround: None
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Symptom: The Telnet server may not be disabled even if you disable it through setup. A telnet session will still work in the switch.
Workaround: Issue the no telnet server enable command in configuration mode to disable telnet after you login to the switch.
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Symptom: Password recovery might fail if you use the copy <config-url> startup command to save the switch configuration, or if you boot a system image that is older than the image you used to store the configuration and did not use the install all command. The following message might display in syslog or on the console during the process of password recovery.
<<%ASCII-CFG-2-ACFG_CONFIGURATION_APPLY_ERROR>>
Workaround: Issue the write erase command from the switchboot prompt.
Note
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Symptom: If the NetApp file server appliance is configured as an initiator performing a Network Data Management Protocol (NDMP) backup, then the fabric login (FLOGI) process on the MDS switch might terminate because of excessive LSTS requests.
This might happen if your N port or NL port uses extended link services to manage and control a public remote loop. The NetApp file server appliance configuration uses these services, namely LSTS and LINIT, which are documented in the Fibre Channel standards compliance (FC-FLA standard) specification.
Workaround: Upgrade to Cisco MDS SAN-OS Release 2.0(4).
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Symptom: If iSCSI virtual targets are configured with more than 50 LUN maps, then erroneous overlapping LUN map system messages appear when the iSCSI initiator is not allowed to log in to these iSCSI virtual targets.
Workaround: Limit the number of configured LUN maps for an iSCSI virtual target to fewer than 50 LUNs.
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Symptom: A Linux host with an iSCSI driver can see only the first eight Logical Units (LUs) of a configured iSCSI virtual target with more than eight LUN maps configured.
Workaround: None.
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Symptom: In some rare cases, license features are disabled when the IP address on a management port is changed.
Workaround: None. Enable the license features again.
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Symptom: In rare circumstances, after you issue the install all command to upgrade an MDS switch, the upgrade may fail because the installer process fails. When this occurs, you may see a message like the following:
%CALLHOME-2-EVENT: SW_CRASH alert for service: installerThe installer failed to respond for 10 times. Exiting ...Unable to send exit to installer. Return code -1If you upgrade from 1.3(x) to 2.1 or from 2.0(x) to 2.1 and the upgrade fails, and if after the upgrade failure the supervisor modules are running the new software version, but some modules are running the older software version, then the next attempt to execute the install all command will trigger this problem.
You should not encounter this problem if you upgrade from 2.1 to a higher version.
Workaround: There are two ways to address this issue:
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Symptom: If you try to configure SSH key for any of the non-local user- accounts, in some rare cases you might see a core dump on standby.
Workaround: First delete the non-local user-account and create it again so that it becomes a local user-account. Then perform any type of configuration for that user-account. User should not perform configuration operations on non- local user-accounts. Non-local user-accounts can be created due to users getting authenticated using RADIUS/TACACS+ server.
Related Documentation
The documentation set for the Cisco MDS 9000 Family includes the following documents:
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For information on VERITAS Storage Foundation™ for Networks for the Cisco MDS 9000 Family, refer to the VERITAS website: http://support.veritas.com/
For information on IBM TotalStorage SAN Volume Controller Storage Software for the Cisco MDS 9000 Family, refer to the IBM TotalStorage Support website: http://www.ibm.com/storage/support/2062-2300/
Obtaining Documentation
Cisco documentation and additional literature are available on Cisco.com. Cisco also provides several ways to obtain technical assistance and other technical resources. These sections explain how to obtain technical information from Cisco Systems.
Cisco.com
You can access the most current Cisco documentation at this URL:
http://www.cisco.com/univercd/home/home.htm
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
Documentation DVD
Cisco documentation and additional literature are available in a Documentation DVD package, which may have shipped with your product. The Documentation DVD is updated regularly and may be more current than printed documentation. The Documentation DVD package is available as a single unit.
Registered Cisco.com users (Cisco direct customers) can order a Cisco Documentation DVD (product number DOC-DOCDVD=) from the Ordering tool or Cisco Marketplace.
Cisco Ordering tool:
http://www.cisco.com/en/US/partner/ordering/
Cisco Marketplace:
http://www.cisco.com/go/marketplace/
Ordering Documentation
You can find instructions for ordering documentation at this URL:
http://www.cisco.com/univercd/cc/td/doc/es_inpck/pdi.htm
You can order Cisco documentation in these ways:
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http://www.cisco.com/en/US/partner/ordering/
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Documentation Feedback
You can send comments about technical documentation to mdsfeedback-doc@cisco.com.
You can submit comments by using the response card (if present) behind the front cover of your document or by writing to the following address:
Cisco Systems
Attn: Customer Document Ordering
170 West Tasman Drive
San Jose, CA 95134-9883We appreciate your comments.
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 can perform these tasks:
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A current list of security advisories and notices for Cisco products is available at this URL:
If you prefer to see advisories and notices as they are updated in real time, you can access a Product Security Incident Response Team Really Simple Syndication (PSIRT RSS) feed from 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 might have identified a vulnerability in a Cisco product, contact PSIRT:
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Tip
Never use a revoked or an expired encryption key. The correct public key to use in your correspondence with PSIRT is the one that has the most recent creation date in this public key server list:
http://pgp.mit.edu:11371/pks/lookup?search=psirt%40cisco.com&op=index&exact=on
In an emergency, you can also reach PSIRT by telephone:
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Obtaining Technical Assistance
For all customers, partners, resellers, and distributors who hold valid Cisco service contracts, Cisco Technical Support provides 24-hour-a-day, award-winning technical assistance. The Cisco Technical Support Website on Cisco.com features extensive online support resources. In addition, Cisco Technical Assistance Center (TAC) engineers provide telephone support. If you do not hold a valid Cisco service contract, contact your reseller.
Cisco Technical Support Website
The Cisco Technical 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, 365 days a year, at this URL:
http://www.cisco.com/techsupport
Access to all tools on the Cisco Technical 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
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 TAC 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 TAC 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)—Your 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 operation 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 your network is impaired, but 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/go/marketplace/
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http://www.cisco.com/go/iqmagazine
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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.
