Hi All..Any chance to make VLAN between two Routers?

Hi All,I would like to know which IOS version higher that I listed out below.1. Version 12.3(7)XR32. Version 12.3(2)XC XR3 and XC makes me confused.Thanks,

Hi All,I try to do QoS on my routers for VoIP, but i can not overcome traffic congest issue.I only have 256 kbps bandwidth and would like to reserve 128 kbps bandwidth for voice only. Emails or anyother traffic should not touch that bandwidth. Can I ...