[c-nsp] Sup32 Memory upgrade

[Sukumar Subburayan]

Ip-mcast & ipv6 routes take twice the TCAM entries (144-bit wide).

That is why you are seeing that they are taking 16 entries in tcam, 
leaving 240 K for IPv4.

Hope this clarifies.

sukumar




On Fri, 23 Feb 2007, James Jun wrote:

>>
>> Does anyone have a page which shows this tuning? I can't seem to
>> locate the relevant config snippets in mailing list archives or with
>> Google.
>>
>
> mls cef maximum-routes ipv6 4
> mls cef maximum-routes ip-multicast 4
>
> setting the above to 4 each allocs remaining 240k labels to ipv4.
> apparently you are limited to 248k controllable labels instead of advertised
> 256k.
>
> and need to reboot, then reboot again to make sure, verify using 'sh mls cef
> max'
>
> ar3.bstnmabo23.bos#sh mls cef max
> FIB TCAM maximum routes :
> =======================
> Current :-
> -------
> IPv4 + MPLS         - 240k (default)
> IPV6                - 4k
> IP multicast        - 4k
>
>
> james
>
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