[c-nsp] 7600 Sup720-3BXL Showing Max CEF table of 256K

[Jon Lewis]

You have non-XL DFC line cards...so the system falls back to the best 
operating mode your worst card can do.

On Mon, 29 Apr 2013, Dan Benson wrote:

> Good day all,
>
> As we all know, the Sup720 has it's limitations with regards to it's ability to handle large routing tables.
>
> Looking today, I was surprised to see that two of my Sup720-3BXLs are showing that I only have a MAX cef ability of 239K when all the docs I read show they should be defaulting to 512K.
>
> Did I get screwed on hacked together SUPs or do I have a line card effecting my ability to scale my CEF table? IOS version limitation?  Info pasted below.
>
> Thanks for the insight as always.
>
> db
>
>
>
>
>
> ISO version:
>
> c7600s72033-advipservicesk9-mz.151-1.S1
>
> Show mod:
>
> Mod Ports Card Type                              Model              Serial No.
> --- ----- -------------------------------------- ------------------ -----------
>  1   48  CEF720 48 port 10/100/1000mb Ethernet  WS-X6748-GE-TX
>  4   20  7600 ES+                               7600-ES+20G3C
>  6    2  Supervisor Engine 720 (Active)         WS-SUP720-3BXL
>
>
> Mod  Sub-Module                  Model              Serial       Hw     Status
> ---- --------------------------- ------------------ ----------- ------- -------
>  1  Centralized Forwarding Card WS-F6700-CFC       #############  4.1    Ok
>  4  7600 ES+ DFC LITE           7600-ES+3C          #############    1.1    Ok
>  4  7600 ES+ 20xGE SFP          7600-ES+20G         #############    1.1    Ok
>  6  Policy Feature Card 3       WS-F6K-PFC3BXL      #############    1.11   Ok
>  6  MSFC3 Daughterboard         WS-SUP720           #############    5.1    Ok
>
> Mod  Online Diag Status
> ---- -------------------
>  1  Pass
>  4  Pass
>  6  Pass
>
>
> sho mls cef maximum-routes
>
> FIB TCAM maximum routes :
> =======================
> Current :-
> -------
> IPv4 + MPLS         - 192k (default)
> IPv6 + IP Multicast - 32k (default)
>
>
>
>
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----------------------------------------------------------------------
  Jon Lewis, MCP :)           |  I route
                              |  therefore you are
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