Gordon Bezzina wrote:
Hi,
Just a quick question what will happen if you exceed the maximum routes
That the FIB TCAM can store.
c7600#sh mls cef maximum-routes
FIB TCAM maximum routes :
=======================
Current :-
-------
IPv4 + MPLS - 512k (default)
IPv6 + IP Multicast - 256k (default)
c7600#
Will switch completely to software routing, or just switch the
Excess routes to software routing? Or will it drop routes or worst
Still crash!?
it will switch to partial h/w, partial s/w.
a wildcard will be installed that matches on anything that doesn't fit
into the table (i.e. it'll be a punt-to-software for "0/0").
Also is there a best practice on changing the default maximum routes
Allocations?
default is 50/50 split between IPv4/MPLS / IPv6/Multicast. its perhaps
difficult to crystal-ball uptake of IPv6 over the next 2 years, but its
probably fair to say the current defaults are ok.
cheers,
lincoln.
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