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Re: Film at 11:00
- From: alex
- Date: Wed Jan 01 11:17:45 1997
First, Happy New Year.
2'th, sorry for my mistake - I just meant 45K as Cisco 4500... Through
it have not changed issue seriously -:)
3'nd.. Do you mean VIP2 idea is worst then SSE idea?
> Hmm, it's not news for us. 45K can hold core routing only as
> inter-back-bone router, not more.
> But why, why this crasy CISCO could not predict future when
> they designed 45K routers? It was not difficult for them
> develop this box to cary 64 or 128MB RAM.
> > Looks like the 45k mark was reached:
> > Folks with 7000's and SSE's should start monitoring their memory
> > utilization via "show sse summary".
> There's a couple of comments here:
> First, 45k is not the limit. More like 60k. You'll pardon me for being
> The limitation is not DRAM. It's the 64k words of SRAM that the SSE uses
> for its high speed forwarding table. You don't want to pay for 64Mbytes of
> SRAM. ;-)
> When cisco's engineers designed the SSE, we knew very well what was
> happening. We expected to be given the opportunity to produce subsequent
> hardware which implemented the SSE in an ASIC. If, by that time, CIDR
> hadn't killed off the exponential growth, we would have expanded the
> address space. Unfortunately, cisco management decided that the SSE ASIC
> should not be implemented (a mistake which, to my knowledge, cisco has not
> corrected). Thus, the 7500 exists without an SSE.
Aleksei Roudnev, Network Operations Center, Relcom, Moscow
(+7 095) 194-19-95 (Network Operations Center Hot Line),(+7 095) 239-10-10, N 13729 (pager)
(+7 095) 196-72-12 (Support), (+7 095) 194-33-28 (Fax)
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