Hi,
Looks like the CEF table is getting filled up. You can change the CEF
table size for a specific routing protocol. For example:
The following will change the IPv6 routing table to 128k entries and the
mpls table to 64k entries. The multicast table will be 8k.
mls cef maximum-routes ipv6 128
mls cef maximum-routes mpls 64
mls cef maximum-routes ip-multicast 8
You need the reload the whole box to commit this change.
This will give you the following table size:
#show mls cef maximum-routes
FIB TCAM maximum routes :
=======================
Current :-
-------
IPv4 - 688k (default)
MPLS - 64k
IPv6 - 128k
IP Multicast - 8k
regards,
Rinse Kloek
Ali Sumsam wrote on 1-4-2014 7:18:
Hi,
I am receiving following logs on my Cisco 6503. SUP is 720-3BXL.
%MLSCEF-SP-4-FIB_EXCEPTION_THRESHOLD: Hardware CEF entry usage is at 95%
capacity for IPv4 unicast protocol.
#show ip cef summary
IPv4 CEF is enabled for distributed and running
VRF base:
498291 prefixes (498254/37 fwd/non-fwd)
Default network 0.0.0.0/0
Table id 0
Database epoch: 4 (498291 entries at this epoch)
#show mls cef maximum-routes
FIB TCAM maximum routes :
=======================
Current :-
-------
IPv4 + MPLS - 512k (default)
IPv6 + IP Multicast - 256k (default)
Plus I have got 4 transit links on this switch, means complete BGP feed
from four providers.
Any suggestions to fix this problem?
Regards,
*Ali Sumsam *
*Network Engineer - Level 3*
eintellego Pty Ltd
[email protected] ; www.eintellego.net
Phone: 1300 753 383 ; Fax: (+612) 8572 9954
Cell +61 (0)410 603 531
facebook.com/eintellego
PO Box 7726, Baulkham Hills, NSW 1755 Australia
The Experts Who The Experts Call
Juniper - Cisco - Brocade - IBM
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