[c-nsp] Next step-up from 7206VXR
Devon True
devon at noved.org
Wed Feb 20 10:35:40 EST 2013
On 20-Feb-13 9:15 AM, Mikael Abrahamsson wrote:
> On Wed, 20 Feb 2013, Jon Lewis wrote:
>
>> The Sup720 can do 1 million routes too. Can you point out where
>> cisco says the implementation is any different between the Sup720,
>> RSP720, and Sup2T that makes the latter capable of handling more
>> v4/v6 routes than the former. Everything I've seen says the FIB
>> TCAM space has not been improved.
>
> I saw an output someone pasted to me from a Sup2T indicating it
> would take 1M IPv4 routes and 0.5M IPv6 routes (at the same time). I
> don't have access to one myself so I can't verify.
Does this help?
#sh platform hardware capacity forwarding
L3 Forwarding Resources
FIB TCAM usage: Total Used %Used
72 bits (IPv4, MPLS, EoM) 1048576 6995 1%
144 bits (IP mcast, IPv6) 524288 249 1%
288 bits (IPv6 mcast) 262144 1 1%
> The major issue with Sup720 is that it's slow and I've seen them fall
> over and start losing other adjacancies when there was a lot of BGP
> work.
That has been observation too.
--
Devon
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