[c-nsp] Sup32 Memory upgrade

Tim Stevenson tstevens at cisco.com
Fri Apr 28 01:58:19 EDT 2006


That's correct. You can change this with mls cef maximum-routes. You 
can monitor it with show mls cef maximum-routes. It does require a reboot.

tstevens-6509-02#sh mls cef maximum-routes
Load for five secs: 0%/0%; one minute: 0%; five minutes: 0%
Time source is NTP, 22:56:11.489 PDT Thu Apr 27 2006
FIB TCAM maximum routes :
=======================
Current :-
-------
  IPv4 + MPLS         - 192k (default)
  IPv6 + IP Multicast - 32k (default)


tstevens-6509-02#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
tstevens-6509-02(config)#mls cef max
tstevens-6509-02(config)#mls cef maximum-routes
% Incomplete command.

tstevens-6509-02(config)#mls cef maximum-routes ?
   ip            number of ip routes
   ip-multicast  number of multicast routes
   ipv6          number of ipv6 routes
   mpls          number of MPLS labels

tstevens-6509-02(config)#mls cef maximum-routes ip ?
   <1-239>  number of 1K entries

tstevens-6509-02(config)#mls cef maximum-routes ip 239
Maximum routes set to 244736. Configuration will be effective on reboot.

tstevens-6509-02(config)#^Z
tstevens-6509-02#sh mls cef max
tstevens-6509-02#sh mls cef maximum-routes
Load for five secs: 0%/0%; one minute: 0%; five minutes: 0%
Time source is NTP, 22:57:08.830 PDT Thu Apr 27 2006
FIB TCAM maximum routes :
=======================
Current :-
-------
  IPv4 + MPLS         - 192k (default)
  IPv6 + IP Multicast - 32k (default)

User configured :-
---------------
  IPv4                - 239k
  MPLS                - 1k (default)
  IPv6 + IP multicast - 8k (default)


tstevens-6509-02#

Tim

At 10:32 PM 4/27/2006, sthaug at nethelp.no pronounced:
> > I was under the impression that it will hold 256K
> > routes and thus the system would hold for ~2-3
> > years.
>
>Part of the TCAM is reserved for multicast routes, as far as I remember.
>
>Steinar Haug, Nethelp consulting, sthaug at nethelp.no
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Tim Stevenson, tstevens at cisco.com
Routing & Switching CCIE #5561
Technical Marketing Engineer, Catalyst 6500
Cisco Systems, http://www.cisco.com
IP Phone: 408-526-6759
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