[nsp] sizing a router

[Steve Francis]

AFAIK, the only device cisco makes that can handle an OC3 with line rate
ACLs and stand up to Dos is a 6500/7600 with a flexwan module and a sup
II or Sup 720. Possibly a 10000 using PXF, but I have not experience
with them.
7200 with a NPE-G1 will do line rate OC3, but doesn't do the hardware
QoS/ACL that will let it survive a targeted DoS, as it has a central CPU
model.
7500 with distributed VIP's with fare well, but be expensive, and still
do software processing (albeit distributed.)
GSR's don't do hardware ACLs on OC3's (but do with engine 3 line cards -
of which there is no OC3 version.)

7200/NPE-G1 is probably what I'd do if budget constrained - 6500 if not.

(I'd be interested in hearing other's suggestions, too.)


> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net 
> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Mark 
> Pace Balzan
> Sent: Tuesday, July 06, 2004 9:26 AM
> To: cisco-nsp at puck.nether.net
> Subject: [nsp] sizing a router
> 
> hi all,
> 
> i need some help in sizing a router for the following 
> scenario. perhaps people can share their experiences and what 
> theyve got in production. i'd want the box to be comfortable 
> on cpu and other resources to cater for spike load etc..
> 
> box will be running atm OC3 155Mbps pretty much at full 
> capacity, with Gig Ethernet to local lan, and will be running 
> bgp,ospf,netflow,wccp with standard imix packet size.
> 
> i have some ideas of what boxes fit, but i wouldnt like to 
> condition anyone's thoughts.
> 
> thanks in advance for your help.
> 
> 
> cheers
> 
> Mark
> 
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