I'm looking for some pointers on what are the smallest recommeded
Cisco
boxes to use for a small multihoming solution.
2 full BGP views (approx 260k routes each)
100 Mbps bandwidth requirement.
The setup currently uses 2 Juniper M5 but those are in dire need of
refresh.
What is the appropiate Cisco boxes to go for? Do I need any memory
upgrades
etc?
Any suggestions are welcome.
If you don't have a lot of traffic go with an 2821. It is the smallest
router that can support 1GB (so it can therefore take full RIBs):
http://www.cisco.com/web/partners/downloads/765/tools/quickreference/isr.pdf
According to Cisco it can do 87Mb/sec of thruput:
http://www.cisco.com/web/partners/downloads/765/tools/quickreference/routerperformance.pdf
Knock off 30-50% due to ACLs and other crud and if you only need 50Mb/sec
total then a 2821 might be your answer.
But if you really need 100Mb/sec then a 3845 which can handle 256Mb/sec of
thruput would be the next one that can handle 1GB.
-Hank
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