Back in the day we had Cisco 1921 routers with some lower bandwidth connections between offices, usually a 10/10 or 20/20.  We have recently installed a couple of Cisco ISR1111 routers and upgraded the EPL lines between branches up to 50/50.  The con...

I must be doing something wrong.  I am looking to transfer 3 VLANS (10, 20, and 30) over a T1 point to point using Cisco 1921 routers.  I do not want to "Bridge" the connection, one location has a 10.1.0.0/16 subnet and the other location has a 10.2....

I am redesigning my network and moving all the servers/infrastructure to one VLAN, voice to another, users to a third, and DMZ on a fourth.  I planned on setting up a core switch with the four VLAN's and 5 trunk ports, 4 to other switches trunk ports...

I will be installing two Cisco 1921 Routers to connnect a T1 between two offices.  We are changing out our current AdTran routers as we would like to bridge three VLAN's across the T1 link.  I followed the instructions at http://www.cisco.com/en/US/t...