[c-nsp] shutdown process on interfaces in cisco routers

Nick Hilliard nick at foobar.org
Mon Oct 1 05:16:05 EDT 2012


On 01/10/2012 09:34, Mikael Abrahamsson wrote:
> I have feature requested to Cisco that when a port is shut down, all
> routing protocols should be shut down gracefully before the port is turned
> off. So basically "leave nicely" instead of "abruptly".

problem is, "shutdown" is the "kill -9" of interfaces - it drops carrier
abruptly and leaves everything else sort itself out.  If you want a
graceful shutdown then you need a separate command with hooks to all of the
protocols running on the interface - and there are usually a lot of those.
 I suspect this would would be troublesome to implement.

Nick



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