I have lab with 2600 and mostly 12.1 IOS ..I have used rip v2 in my case and I see the route take around 60-90 sec to disappear from routing table after they get a poisoned route for that destination. I am not modifying any rip timers..and As per boooks it should take 240 seconds..it shows ''possibly down '' for around 1 minute only..but As per books its should be 180 sec..
[toc:faq]The ProblemOn traditional switches whenever we have a trunk
interface we use the VLAN tag to demultiplex the VLANs. The switch needs
to determine which MAC Address table to look in for a forwarding
decision. To do this we require the switch to do...
[toc:faq]Introduction:Netdr is a tool available on a RSP720, Sup720 or
Sup32 that allows one to capture packets on the RP or SP inband. The
netdr command can be used to capture both Tx and Rx packets in the
software switching path. This is not a substitut...
IntroductionOSPF, being a link-state protocol, allows for every router
in the network to know of every link and OSPF speaker in the entire
network. From this picture each router independently runs the Shortest
Path First (SPF) algorithm to determine the b...