• Author : Ashish Yadav

 
 

ISIS ignore attach bit

The default behavior of a level-1 router running IS-IS is to install a default route to a level-1-2 router present in a different area after it finds the attach-bit set in the incoming LSPs from a level-1-2 router. Sometimes this behavior may not be desired and the user might wish for IS-IS on level-1 router to ignore the attach-bit in the incoming LSPs and skip installing a default route to the level-1-2 router. Platform compatibility ISIS ignore attach bit feature is supported on all platforms. Configuration The following command is available under the config-router-isis-af mode. Arista(config)#router isis <Isis Process ID>...
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