TAC does not recommend IOS. So make sure you read the release notes and bug tool kit.
If you do not have redundant Supervisor Engines, 12.1(11b)E11 should be good. If you have redundant Supervisor engines, 12.1(13)E4 should be good(RPR+ for faster failovers is supported beginning 12.1(13))
Dowload the desktop or enterprise feature set since you need IPX routing support. You can download the IOS from
[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...