running a 4006 with 5 actively used vlans, IOS 12.1(8a)EW1vlans 104 and 105 used for workstations, vlans 103 and 115 used for servers.vlan 106 used for RAS. DHCP on vlans 104, 105 and 106 only.hosts on vlan 104 having intermittent problems (ping = r...

I just added a NM 2W card to my 2621, with a WIC-1DSU-T1 card, and it is not showing up as an available interface. The NM 2W card had the 'en' light on at startup, but now no lights, and it does not appear available. Do I need to do something else ...

Is there either a wic that provides dual dsu-t1 connections or another expansion module that would allow me to multilink 3 T1's on a 2621 platform?

What is the practical difference between these routers? Is the processor difference really significant?

I am getting intermittent ping failures between some servers on my 4006. They are all on the same subnet, I have tried different modules and different switch ports but get the same inconsistent and random results. Where do I start looking for error...