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Sample Configuration
The following configurations are examples for enabling IPv6 IS-IS. These are not comprehensive
directions. They are intended to give you a some guidance with typical configurations.
You can copy and paste from these examples to your CLI. Be sure you make the necessary changes to
support your own IP Addresses, Interfaces, Names, etc.
Figure 23-10 is a sample configuration for enabling IPv6 IS-IS. Figure 23-13 illustrates the topology
created with that CLI configuration.
S
Note: Only one IS-IS process can run on the router, even if both IPv4 and IPv6 routing is
being used.
S
Note: Whenever ISIS configuration changes are made, the IS-IS process must be cleared
(re-started) using clear isis. The command clear isis must include the tag for the ISIS
process. The example below shows the response from the router:
FTOS#clear isis *
% ISIS not enabled.
FTOS#clear isis 9999 *