On 01/10/12 10:16, Nick Hilliard wrote:
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.
Doesn't this depend on the type of interface? IIRC, SVIs on Catalyst
platforms do indeed perform certain types of actions on shutdown - I
have a memory that sending an RA with lifetime=0 is one, for example.
Not sure about HSRP etc.
Of course, I could be remembering wrong ;o)
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