There are major differences (ie. apples and oranges) between Cat4k and Cat5k in features and platform support. The cat5k is older generation product and I would expect to "go away" in the future. The Cat4k runs Cat OS or IOS depending on supervisor. The Cat4k is geared to near features such as Inline Power for IP telephony and a very long list of additonal features. The Cat5k will be supported for a long while, 3 years after end of sales.
[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...