Is there a way I can use CLI to tell when a port was used last time?

I have added a few access-lists to 7204 router with IOS 12.3. When I do "show access-list", there is no "matches" showing for new access-lists. Only change I have made was to enable netflow a few weeks ago. Previous access-lists are still working ( a...

I have a pix 506E with 6.3(5)connecting to a DSL line. When I initilized a vpn client and connected to a vpn 3000, it seems to be authenticated but I can't access any resources that are behind vpn 3000. With a router, it works fine. What I should do ...

I'm having trouble to connect a Bay Stack router via dlsw+ protocol. There is no problem with TCP connectivity at all. Has anyone ever done this before? Any input is highly appreciated!Thanks!!