[c-nsp] 28xx and a DS3

Chris Moore chris.moore at gmd.com
Wed Apr 5 13:13:43 EDT 2006


Hi all,



I work for a company that SERIOUSLY pinches pennies on network gear and
am trying to spec routers for both ends of a point-to-point DS3. Cisco
is pretty clear - I need at least a 3800 series. But I'm leery of
Cisco's recommendations - it always seems like they're trying to up-sell
me. Same (even worse) with my reseller. As an example, Cisco says a 2811
is only good for two T1s but I have them in my environment running 4
encrypted T1s without breaking a sweat.



I've been looking at various specs and they're confusing and often
conflict. I've seen specs of encryption performance of more than 130Mbps
with the addition of a AIM VPN card and 200 to 250Kpps (100Mbps+ w/ 64
byte packets) max throughput for 2800 series routers. That makes it look
to me like it should be able to handle a DS3 pretty easily.



These routers won't be doing much in terms of services. They'll be
running a single instance of OSPF with a pretty small route table (<100
routes), be encrypting traffic across the link and possible (but not
necessarily) some basic ACLs and/or QoS.



My question is, has anyone tried this? What was your experience?



Thanks,



Chris



_________________________________________

Chris Moore

Senior Network Engineer

Guardian Mortgage Documents



303-942-2019

emergency (GMD Help Desk): 303-942-2002

chris.moore at gmd.com











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