SNMP Configuration Guide, Cisco IOS XE Release 3S
SNMP Support for VLAN Subinterfaces
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SNMP Support for VLAN Subinterfaces

SNMP Support for VLAN Subinterfaces

Last Updated: April 1, 2013

This feature module describes the Simple Network Management Protocol (SNMP) Support for VLAN Subinterfaces feature. It includes information on the benefits of the new feature, supported platforms, supported standards, and the commands necessary to configure the SNMP Support for VLAN Subinterfaces feature.

The SNMP Support for VLAN Subinterfaces feature provides mib-2 interfaces sparse table support for Fast Ethernet subinterfaces. This enhancement is similar to the functionality supported in Frame Relay subinterfaces.

Finding Feature Information

Your software release may not support all the features documented in this module. For the latest caveats and feature information, see Bug Search Tool and the release notes for your platform and software release. To find information about the features documented in this module, and to see a list of the releases in which each feature is supported, see the feature information table at the end of this module.

Use Cisco Feature Navigator to find information about platform support and Cisco software image support. To access Cisco Feature Navigator, go to www.cisco.com/go/cfn. An account on Cisco.com is not required.

Information About SNMP Support for VLAN Subinterfaces

Benefits

Sparse table support for the interfaces table on Fast Ethernet subinterfaces provides customers accustomed to Frame Relay subinterfaces the same functionality.

Supported Platforms

  • Cisco 2600 series
  • Cisco 3600 series
  • Cisco 4000-m series
  • Cisco 7200 series
  • Cisco 7500 series

How to SNMP Support for VLAN Subinterfaces

Enabling the SNMP Agent on VLAN Subinterfaces

Perform the following task to enable the SNMP agent on VLAN subinterfaces.

SUMMARY STEPS

1.    enable

2.    configure terminal

3.    snmp community string

4.    interface type slot/port

5.    encapsulation isl vlan-identifier

6.    ip address ip-address mask

7.    end

8.    show vlans


DETAILED STEPS
  Command or Action Purpose
Step 1
enable


Example:

Device> enable

 

Enables privileged EXEC mode.

  • Enter your password if prompted.
 
Step 2
configure terminal


Example:

Device# configure terminal

 

Enters global configuration mode.

 
Step 3
snmp community string


Example:

Device(config)# snmp community public

 

Enables the SNMP agent for remote access.

 
Step 4
interface type slot/port


Example:

Device(config)# interface FastEthernet 0/1.1

 

Selects a particular Fast Ethernet interface for configuration.

 
Step 5
encapsulation isl vlan-identifier


Example:

Device(config-if)# encapsulation isl 10

 

Enables the Inter-Device Link.

 
Step 6
ip address ip-address mask


Example:

Device(config)# ip address 192.168.10.1 255.255.255.0

 

Sets a primary or secondary IP address for an interface.

 
Step 7
end


Example:

Device(config-if)# end

 

Returns to privileged EXEC mode.

 
Step 8
show vlans


Example:

Device# show vlans

 

Displays VLAN subinterfaces.

 

Configuration Examples for SNMP Support for VLAN Subinterfaces

Example: Enabling the SNMP Agent for VLAN Subinterfaces

The following configuration example shows you how to enable the SNMP agent on the device with VLAN subinterfaces to monitor the SNMP application remotely:

snmp community public
!
interface FastEthernet4/0.100
 encapsulation isl 100
 ip address 192.168.10.21 255.255.255.0
!
interface FastEthernet4/0.200
 encapsulation isl 200
 ip address 172.21.200.11 255.255.255.0
!
interface FastEthernet4/1.1
 encapsulation isl 10
 ip address 171.69.2.111 255.255.255.0

Additional References

Related Documents

Related Topic

Document Title

Cisco IOS commands

Cisco IOS Master Commands List, All Releases

Cisco IOS SNMP Support Command Reference

Cisco IOS SNMP Support Command Reference

Standards and RFCs

MIBs

MIB

MIBs Link

  • None

To locate and download MIBs for selected platforms, Cisco software releases, and feature sets, use Cisco MIB Locator found at the following URL:

http://www.cisco.com/go/mibs

Technical Assistance

Description

Link

The Cisco Support and Documentation website provides online resources to download documentation, software, and tools. Use these resources to install and configure the software and to troubleshoot and resolve technical issues with Cisco products and technologies. Access to most tools on the Cisco Support and Documentation website requires a Cisco.com user ID and password.

http://www.cisco.com/cisco/web/support/index.html

Feature Information for SNMP Support for VLAN Subinterfaces

The following table provides release information about the feature or features described in this module. This table lists only the software release that introduced support for a given feature in a given software release train. Unless noted otherwise, subsequent releases of that software release train also support that feature.

Use Cisco Feature Navigator to find information about platform support and Cisco software image support. To access Cisco Feature Navigator, go to www.cisco.com/go/cfn. An account on Cisco.com is not required.

Table 1 Feature Information for SNMP Support for VLAN Subinterfaces

Feature Name

Releases

Feature Information

SNMP Support for VLAN Subinterfaces

12.2

The SNMP Support for VLAN Subinterfaces feature provides mib-2 interfaces sparse table support for Fast Ethernet subinterfaces. This enhancement is similar to the functionality supported in Frame Relay subinterfaces.

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Any Internet Protocol (IP) addresses and phone numbers used in this document are not intended to be actual addresses and phone numbers. Any examples, command display output, network topology diagrams, and other figures included in the document are shown for illustrative purposes only. Any use of actual IP addresses or phone numbers in illustrative content is unintentional and coincidental.

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