Please take a look at keep alive message, which is sent every 10 sec... correct if i'm wrong....
On Mon, Oct 1, 2012 at 11:58 AM, m s <[email protected]> wrote: > Hi > > In cisco routers when we shutdown an interface how other routers > understand this? > My aim is that when tow routers are connected to each other and their > interfaces are on the "protocol" parameter in "show ip interface brief" > command is on and after one of interfaces be shutdown this parameter become > off,I want to know that how this happen? Does any packets exchange? what > packets? for example arp or cdp packets? > Thanks > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
