IPv6 Training (Cisco): Enabling IS-IS for IPv6 on a Cisco Router
Added: 09/02/2008,
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In the past few weeks, a lot of you have been emailing me asking “why don’t you write an article explaining how to enable the IS-IS protocol on a Cisco router’s interface?”
Well, for all of you emailer’s out there and you know who you are; this article is for you!
Now, when configuring the IS-IS protocol for IPv6 on a Cisco router’s interface you will need to perform two tasks. The first task entails creating an IS-IS routing process and the second task entails configuring (enabling) the IS-IS routing process on the specific interface.
Below are the steps that you’ll need to successfully perform task 1 and task 2.
Configures an IS-IS network entity title (NET) for the specified routing process. (A NET is used to define the area address for the IS-IS area and the system ID of the router)
Step #6
6. Router(config-router)#exit
Returns the router to Global configuration mode.
Step #7
7. Router(config)#interface fastethernet 0/0
Specifies the fastethernet 0/0 interface on which IS-IS is to be configured and puts router into interface mode.
Step #8
8. Router(config-if)#ipv6 address 2001:0DC8::3/64
Specifies the IPv6 network assigned to the interface and enables IPv6 processing on the interface.
Step #9
9. Router(config-if)#ipv6 router isis area 2
Configures (enables) the specified IPv6 IS-IS routing process on the fastethernet 0/0 interface.
Step #10
10. Router(config-if)#exit
Returns the router to Global configuration mode.
Step #11
11. Router(config)#exit
Returns the router to Privileged EXEC mode.
Step #12
12. Router#copy run start
Saves the contents of the running-config to local Non -Volatile Random Access Memory (NVRAM).
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