I am implementing a full T1 and do not want to purchase an external CSU/DSU unit (due to cost).Are there any benefits to using an external CSU/DSU like an Adtran compared to an internal one?Would the WIC-1DSU-T1 be the card i would need for a 2611 ro...

i am doing some research on implemeting a frame relay between 4 branches.Is it recommended to utilize IPSEC or a site-to-site VPN on top of the frame relay or will the data be secure going through the frame?Thanks

I am running a hub and spoke site-to-site VPN with a few branches on 2611's. My plan is to add a screening Router in the hub location (which is an extra 2611) in front of the present 2611 creating a DMZ.The new screening router will hold the public I...

I need some information about the 905 cable routers.I am doing an install for a customer and Comcast is putting a ubr905 cable router/modem in with a static ip address.Will it be possible to put another router(an 831 for example) behind that and assi...

One of our branches just switched ISP's and now is experiencing problems with our VPN staying up.We are running router-to-router VPN's via 2611's and the tunnel will stay up until we start passing more traffic through it. It works fine for about 5 mi...