I just removed a linksys router from my network that was blocking MAC addresses. I have replaced it with a 1720 router. I see how to block Host names and/or ip addresses. Is there a way to block by MAC address. If so could you please include the conf...

I have a 1721 and a 1720 connected through their serial interfaces over a T1 connection. The internet is on the Fa0 interface of the 1721 and the Fa0 interface of the 1720 is in my LAN. Previous to this we had a Linksys router connected right to the ...

I have no idea whats going on here. There are 4 routers involved, the main router configs are as follows and the others I have attached. I Need the router named Tower to redirect traffic back down the serial interface to the router named JCWAtoDownto...

I can't get a secondary route to workIf you look at the attachment TowerConfigs, open with notepad and uncheck the word wrap option you can see my network layout and the problem is described in more detail.I have also attached the 3 routers involved ...