My question relates to a Cisco 6009 running CatOS 7.6(10) with spantree PVST+. I want to migrate a non-trunk port to a 802.1q trunk port keeping the original VLAN as the native VLAN. Vonnected to the port is a Nokia IP350 that supports 802.1q trunkin...

I'm replacing a Cisco 4500 running IOS 12.1(22c) by a Cisco 2801 with IOS 12.4(1c) with (as much as possible) same configuration. All works fine except a GRE-tunnel that is traversing the router.Debug of 4500 that works correct:Mar 14 21:04:47.514: N...

I want to be able to set up a telnet session from a (3640)-router with a digital modems port adapter to another router with a modem on the aux port.Would this be possible and does anybody have any configuration tips?

I want to create a back-to-back connection from the aux-port of a router to con-port of a switch. This seems to work for 2500 and 4000 routers. telner from the router to the switch using IP-address of the router and port 2001 connects me to the switc...

Cisco Configurator tells me: Two or more selected items are incompatible. Selected or default-included item [PA-4C-E] is incompatible with: [S72AR1-12123E]. Please change one or more items.Can someone explain this incompatibility? I would like to con...