Is it possible to take a full T1 on one serial interface and 15 channels of a T1 on another serial interface and link them with a multilink interface on a 3640 and a 7206? If not, is CEF load balancing my only other option to combine the bandwidth?T...

A while back, I tried configuring a 2620 (IOS 12.1(13)) FastEthernet Interface 0/0 with the native VLAN 1 on F0/0.1 and another VLAN 16 on F0/0.16 using dot1Q encapsulation. The configuration took, but then I couldn't ping from hosts on the VLAN1. ...

I have five routers, essentially in a ring, each running EIGRP with the common Class B network (172.19.0.0). Two of them are 7206s and three are 2620s. They are running IOS from 12.0(2)XC2 up to 12.2(1).I expect the output of a SHOW IP EIGRP TOPOLO...

I am trying unsuccessfully to do 802.1q trunking between a 2950 running IOS 12.0(5.3)WC(1) and a 2620 running IOS 12.1(13). Does anyone know if there is a problem with either of these IOS versions doing 802.1q trunking? Thank you.