One thing to note is that, You had an enterprise version of the image, and you upgraded to one which just an IP Plus. Did you check your software/hardware compatibility before upgrading to 12.2(17a) version of IOS?
If you can paste a show stacks output, on Output Interpreter, you can decode to find any potential holes. If you dont have access to OI, paste the output here, and any of us can help.
[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...