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Table Of Contents
Configuration Notes for the
Cisco ME 3400G-12CS Ethernet Access SwitchNew Software Features on the Cisco ME 3400G-12CS Switch
Setting the Type of a Dual-Purpose Port
Power-Supply Alarm Suppression
Changes in Output for show env Command
Clarification for the test cable-diagnostics tdr Command
Statement 1005—Circuit Breaker (Cisco ME 3400G-12CS Switches)
Statement 1028—More Than One Power Supply (Cisco ME 3400G-12CS Switches)
Cisco Product Security Overview
Reporting Security Problems in Cisco Products
Product Alerts and Field Notices
Obtaining Technical Assistance
Cisco Technical Support & Documentation Website
Definitions of Service Request Severity
Obtaining Additional Publications and Information
Configuration Notes for the
Cisco ME 3400G-12CS Ethernet Access Switch
September 22, 2006
These configuration notes contain information about configuring the Cisco ME-3400G-12CS-A and Cisco ME-3400G-12CS-D switches. This information is specific to these switches and does not apply to other Cisco ME 3400 switches.
The Cisco ME-3400G-12CS switch requires Cisco IOS Release 12.2(25)SEG1 or later. Cisco IOS Release 12.2(25)SEG does not support the ME 3400G-12CS switch.
Note
When you select an IOS product code in the Cisco ordering tool, the selection lists only the 12.2(25)SEG image. However, the image installed on the switch will be the latest available version of the release, in this case 12.2(25)SEG1.
For hardware information about the switch, see the Cisco ME 3400 Ethernet Access Switch Hardware Installation Guide, September 2006 at this URL:
http://www.cisco.com/en/US/products/ps6580/prod_installation_guides_list.html
For information about Cisco IOS Release 12.2(25)SEG1, see the release notes at this URL:
http://www.cisco.com/en/US/products/ps6580/prod_release_note09186a00806700ee.html
For other information about the Cisco ME 3400 switch, see the documentation for Cisco IOS Release 12.2(25)SEG at this URL:
http://www.cisco.com/en/US/products/ps6580/tsd_products_support_series_home.html
Contents
This information is in the release notes:
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New Software Features on the Cisco ME 3400G-12CS Switch
These are the new software features on this switch:
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Dual-Purpose Ports
The switch has 12 dual-purpose ports that can be configured as 10/100/100 ports by using an RJ-45 connector or as small form-factor pluggable (SFP) module ports. The software includes a new command to configure these ports.
Note
Each dual-purpose port is considered as a single interface with dual front ends (an RJ-45 connector and an SFP module connector). The dual front ends are not redundant interfaces; the switch activates only one connector of the pair.
By default, the dual-purpose ports are user-network interfaces (UNIs) and the SFP-only module ports are network node interfaces (NNIs). If the switch is running the metro IP access image, there is no limit to the number of ports that can be configured as NNIs. If the switch is running the metro base or metro access image, only four ports can be configured as NNIs. When running these images, if you want to configure a dual-purpose port as an NNI, you must first change the port type of an SFP-only module port to UNI by entering the port-type uni interface configuration command so as not to exceed the switch maximum of four NNIs.
Note
By default, the switch dynamically selects the dual-purpose port media type that first links up. However, you can use the media-type interface configuration command to manually select the RJ-45 connector or the SFP module connector. In auto-select mode, the switch gives preference to SFP mode if both copper and fiber signals are simultaneously detected.
Each dual-purpose port has two LEDs: one shows the status of the SFP module port, and one shows the status of the RJ-45 port. The port LED is on for whichever connector is active. For more information about the LEDs, see the hardware installation guide.
Setting the Type of a Dual-Purpose Port
Beginning in privileged EXEC mode, follow these steps to select which dual-purpose media type to activate. This procedure is optional.
To return to the default setting, use the no media-type interface configuration command.
When you change the interface type, the speed and duplex configurations are removed. The switch configures both types to autonegotiate speed and duplex (the default). If you configure auto-select, you cannot configure the speed and duplex interface configuration commands.
When the switch is configured with sfp or rj45 media type, the non-configured media type is disabled, even if there is a media installed in that interface and no media in the configured one.
When the media type is auto-select, the switch uses these criteria to select the media type:
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See the media-type interface configuration command for more information.
Power-Supply Alarm Suppression
The switch has two power supplies and normally activates alarm indications (LED state, MIB state, and MIB traps) when it detects that a power supply is not operating. However, the switch can also operate with a single power supply. You can enter the no power-supply dual global configuration command to suppress the alarm when the switch is using a single power supply.
When two power supplies are operating and you enter the no power-supply dual command, alarms are suppressed on power supply 2. When one power supply is operating, alarms are suppressed for the power supply that is not providing power.
Beginning in privileged EXEC mode, follow these steps to suppress alarms on the second power supply. This procedure is optional.
Enter the power-supply dual global configuration command to return to the default setting where alarms are sent if two power supplies are not supplying power.
See the power-supply dual global configuration command for more information.
Changes in Output for show env Command
The outputs of the show env all, show env fan, and show env temperature user and privileged EXEC commands have changed to reflect dual power supplies, dual fans, and increased control of temperature alarm indicators. See the show env user EXEC command for more information.
Clarification for the test cable-diagnostics tdr Command
The command reference states that the test cable-diagnostics tdr privileged EXEC command is supported only on Ethernet copper 10/100 ports. The command is also supported on Ethernet copper 10/100/100 ports, including dual-purpose ports that are configured as 10/100/100 ports by using the RJ-45 connector. The command is not supported on SFP module ports.
New or Revised Commands
These commands are new for the Cisco ME 3400G -12CS switches and are not visible or supported on other Cisco ME 3400 switches:
The output for this command on the Cisco ME 3400G -12CS switch is different than on other Cisco ME 3400 switches:
media-type
Use the media-type interface configuration command to manually select the interface and type of a dual-purpose port or to enable the switch to dynamically select the type that first links up. Use the no form of this command to return to the default setting.
media-type {auto-select | rj45 | sfp}
no media-type
Note
Syntax Description
auto-select
Enable the switch to dynamically select the type based on the first to link up.
rj45
Select the RJ-45 interface.
sfp
Select the small form-factor pluggable (SFP) module interface.
Defaults
The default is that the switch dynamically selects the link (auto-select)
Command Modes
Interface configuration
Command History
Usage Guidelines
You cannot use the RJ-45 interface and the SFP interface of the dual-purpose ports simultaneously to provide redundant links.
When you select auto-select, the switch dynamically selects the type that first links up. This is the default mode. The switch disables the other media type until the active link goes down. When the active link goes down, the switch enables both types until one of them links up. If there are active links on both media, the SFP link has priority. In auto-select mode, the switch configures both types with autonegotiation of speed and duplex (the default).
When you select rj45, the switch disables the SFP module interface. If you connect a cable to the SFP port, it cannot attain a linkup even if the RJ-45 side is down or is not connected. In this mode, the dual-purpose port behaves like a 10/100/1000BASE-TX interface. You can configure the speed and duplex settings consistent with this interface type.
When you select sfp, the switch disables the RJ-45 interface. If you connect a cable to this port, it cannot attain a linkup even if the SFP module side is down or if the SFP module is not present. Based on the type of installed SFP module, you can configure the speed and duplex settings consistent with this interface type.
To configure speed or duplex settings on a dual-purpose port, you must first select the media type. If you configure auto-select, you cannot configure the speed and duplex interface configuration commands. When you change the interface type, the speed and duplex configurations are removed. The switch configures both types to autonegotiate speed and duplex (the default).
When the media type ia auto-select, the switch uses these criteria to select the media type:
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Examples
This example shows how to select the SFP interface:
Switch(config)# interface gigabitethernet0/1Switch(config-if)# media-type sfpYou can verify your setting by entering the show interfaces interface-id capabilities or the show interfaces interface-id transceiver properties privileged EXEC commands.
Related Commands
power-supply dual
Use the power-supply dual global configuration command to enable power supply alarm indications (LED state, MIB state, and MIB traps) when a power supply is not providing power. Use the no form of this command when running the switch on a single power supply to suppress the power-supply alarm for the second power supply.
power-supply dual
no power-supply dual
Note
Syntax Description
This command has no arguments or keywords.
Defaults
The default is that the switch sends power-supply alarm indications when either power supply is not supplying power.
Command Modes
Interface configuration
Command History
Usage Guidelines
When you enter the no power-supply dual command and two power supplies are operating, alarms are suppressed on power supply 2. When one power supply is operating, alarms are suppressed for the power supply that is not providing power.
Examples
This example shows how to suppress power-supply alarm indications for the second power supply and verify the configuration:
Switch(config)# no power-supply dualSwitch(config)# endSwitch# show env powerPOWER SUPPLY 1 is OKPOWER SUPPLY 2 is Alarm disabledYou can display the power-supply alarm status by entering the show env all or show env power privileged EXEC commands.
Related Commands
show env {all | power}
Displays the power-supply alarm setting for the switch.
show env
Use the show env user EXEC command to display fan, temperature, redundant power system (RPS) availability, and power supply information for the switch.
show env {all | fan | power | rps] | temperature [status]} [ | {begin | exclude | include} expression]
Syntax Description
Command Modes
User EXEC
Command History
Usage Guidelines
On a Cisco ME switch, you can use the show env temperature command to display the switch temperature status. The command output shows the green and yellow states as OK and the red state as FAULTY. If you enter the show env temperature status command on this switch, the temperature information is the same as the show env all command output.
You can use the system env temperature threshold yellow global configuration command to configure the yellow temperature threshold. If not configured, the yellow threshold defaults to 10 degrees Celsius below the red threshold.
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
Displays for the Cisco ME 3400G-12CS switch are different than those for other Cisco ME switches. This is an example of output from the show env all command for the Cisco ME 3400G-12CS switch:
Switch> show env allFAN 1 is OKFAN 2 is OKTEMPERATURE is OKTemperature Value: 31 Degree CelsiusTemperature State: GREENYellow Threshold : 56 Degree CelsiusRed Threshold : 66 Degree CelsiusPOWER SUPPLY 1 is OKPOWER SUPPLY 2 is Alarm disabledThis is an example of output from the show env all command for other Cisco ME switches:
Switch# show env allFAN is OKTEMPERATURE is OKPOWER is OKRPS is NOT PRESENTThis is an example of output from the show env fan command for the Cisco ME 3400G-12CS switch:
Switch> show env fanFAN 1 is OKFAN 2 is OKThis is an example of output from the show env fan command for other Cisco ME switches:
Switch> show env fanFAN is OKThis is an example of output from the show env power command for the Cisco ME 3400G-12CS switch:
Switch> show env powerPOWER SUPPLY 1 is OKPOWER SUPPLY 2 is Alarm disabledThese are examples of output from the show env temperature command for the Cisco ME 3400G-12CS switch:
Switch> show env temperatureTEMPERATURE is OKSwitch> show env temperature statusTemperature Value: 31 Degree CelsiusTemperature State: GREENYellow Threshold : 56 Degree CelsiusRed Threshold : 66 Degree CelsiusRelated Commands
Sets or suppresses alarms for the switch second power supply.
system env temperature threshold yellow
Configures the yellow temperature threshold.
Getting Started Guide Updates
This information was added to the package contents list:
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RCSI Updates
These translated safety warnings were added to the Regulatory Compliance and Safety Information (RCSI). for the Cisco ME 3400-12CS Ethernet Access switches:
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Statement 1005—Circuit Breaker (Cisco ME 3400G-12CS Switches)
Statement 1028—More Than One Power Supply (Cisco ME 3400G-12CS Switches)
Related Documentation
These documents provide complete information about the switch and are available from this Cisco.com site:
http://www.cisco.com/en/US/products/ps6580/tsd_products_support_series_home.html
You can order printed copies of documents with a DOC-xxxxxx= number from the Cisco.com sites and from the telephone numbers listed in the "Obtaining Documentation" section.
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These compatability matrix documents are available from this Cisco.com site:
http://www.cisco.com/en/US/products/hw/modules/ps5455/products_device_support_tables_list.html
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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 monthly and is released in the middle of the month. 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 Technical Support & Documentation 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 Cisco Product Alerts and Cisco Field Notices 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. (To register as a Cisco.com user, go to this URL: http://tools.cisco.com/RPF/register/register.do) Registered users can access the tool at this URL: http://tools.cisco.com/Support/PAT/do/ViewMyProfiles.do?local=en
Obtaining Technical Assistance
Cisco Technical Support provides 24-hour-a-day award-winning technical assistance. The Cisco Technical Support & Documentation 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 Technical Support & Documentation Website
The Cisco Technical Support & Documentation 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/techsupport
Access to all tools on the Cisco Technical Support & Documentation 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. On the Cisco.com home page, click the Advanced Search link under the Search box 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/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
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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/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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