plucena at coopergeneral.com
Fri Oct 23 19:35:54 UTC 2015
> A lot of carriers use ISIS in the core so they can make use of the'
> overload bit' with a 'set-overload-bit on-startup wait-for-bgp". Keeps
> them from black holing Traffic while BGP reconverges., when you have
> millions of routes to converge it can take forever. It's also a really
> handy tool when you're troubleshooting or repairing a link, set the OL
> bit, and traffic gracefully moves, then when you're done it gracefully
> moves back. You can do the same thing with the Metric, and Cost in OSPF,
> just not quite as elegant.
That feature is also present in OSPF. 'max metric router-lsa'.
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