On 12/28/05, Mark J. Kroska <MKroska at kdv.com> wrote: > > Erik-- > As long as you have enough free interfaces to handle the T-1s you should be > fine -- conditionally. > Generally the issue is the amount of RAM needed to do routing long before > CPU power. > If you are doing static routing you should be more than fine...you could > probably have 8 or more T-1s without running low on CPU resources. > If you were doing dynamic routing the CPU still may not be getting hammered, > again the RAM would be the limiting factor. (Dynamic routing meaning RIP, > OSPF, BGP, etc. The more complex the routing tables, the more CPU power you > need) > I've successfully run 2 T-1s with a 'light' BGP load with 64MB RAM before > (in a staging environment), and it barely scratched the CPU, where the RAM > was nearly fully utilized. > Out of curiosity, how much RAM does the unit have? What type of interfaces > will you be terminating with? > Will any of the T-1s be bonded/multiplexed or channelized? > > Another factor to consider if you don't have the interfaces purchased: not > all T-1 interfaces work with all levels of firmware. I ran into an issue > with a newer WIC and an older firmware--it wouldn't even detect it! Thanks for the info, Mark. In our case, we'll be using one 2651 to terminate all the T1s, which will then connect to a second 2651 which will do the routing. For the time being, it's all static routing.