I'm also trying to enable SSH on my 2950 catalyst switch but my IOS version 12.2(22)EA4 doesn't support SSH since it's not cryptographic IOS; I tried to upgrade it to a cryptographic version but the upgrade failed with me. I'm posting a question about the upgrade and still waiting a response:) The post is titled as "Upgrading 2950 Switch Firmware" in case you faced a similar problem and wanted to add your comments to the post.
Well, I went to the "Software Advisor" tool and it says that this image I have supports ssh v2. However, I do not know if the image that I have supports cryptographic because in the show version command it does not mention anything about it.
[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...