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IS-IS Network Design Solutions by Scott Sturgess, Abe Martey

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Configuring IS-IS for Optimized Performance

The previous sections discuss rudimentary IS-IS configuration for various scenarios, using the two basic steps required to enable IS-IS on Cisco routes: configuring the routing process and enabling IS-IS routing on interfaces. Cisco IOS Software provides numerous commands for enabling various capabilities of the IS-IS protocol and optimizing its performance. In most cases, the configuration options enabled are targeted at improving efficiency of the data-forwarding process and achieving network design objectives, such as routing stability and fast convergence. The command options can be enabled globally under the configuration of the IS-IS routing process (router-level configuration) or for specific ...

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