Walter Keen wrote:
Speaking of CPU performance, does anyone have any feedback on the Cisco 7500 series, I'm considering using it instead of multiple 7204's to aggregate/terminate atm (9 oc3, 1 ds3) and T1 (channelized ds3) traffic, I'm looking at the RSP8, with vip4-80's and the appropriate PA's, and planning on doing etherchannel on (2) pa-fe's back to our core (7613) router.
As someone (Jon Lewis?) said a while ago, VIPs in a 7500 are like individual 7202s with a magic backplane between them. Sizing your VIPs is like sizing your NPEs. If I were buying 7500s (which I wouldn't be doing), I'd be buying VIP4-80s at the bare minimum, VIP6-80s if I had the need, and RSP4s (if I didn't need full routes) or RSP16s (if I did need full routes).
I don't know how well those etherchannels will work for you. I think they're software-dependent, but I suspect GEIP+ may be the better bet for you. Complexity (of which etherchannel most likely qualifies) is not the 7500 strong suit.
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