Interpreting the Output of Key IS-IS show Commands
This section details the output of some of the key troubleshooting commands discussed in the previous section. The Cisco IOS show commands provide information about activities occurring on the router and serve as excellent tools for diagnosing problems.
The output of the following commands are examined based on the topology and configuration of the routers in Figure 10-1:
Figure 10-1. Simple IS-IS domain topology.
show clns
show clns protocol
show clns neighbors
show clns interface
show isis database
show isis topology
show isis spf-log
Figure 10-1 shows a simple topology of an IS-IS domain consisting ...
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