In reply to Shawn.

PS, our router said "Current IPv4 FIB exception state = FALSE" prior to reboot, was at 95% TCAM used, and I've gotten HORRIBLE support in my Cisco case (SR 631474023) ...

## router captures
### PRE REBOOT ###
16:11:46.763 UTC Mon Aug 18 2014

Module FIB TCAM usage: Total Used %Used
9 72 bits (IPv4, MPLS, EoM) 524288 498844 95%
144 bits (IP mcast, IPv6) 262144 9 1%

#sh mls cef su

Total routes: 498793
IPv4 unicast routes: 496738
IPv4 Multicast routes: 4

#show mls cef exception status
Current IPv4 FIB exception state = FALSE

#### POST reboot ####

L3 Forwarding Resources
Module FIB TCAM usage: Total Used %Used
9 72 bits (IPv4, MPLS, EoM) 802816 503722 63%
144 bits (IP mcast, IPv6) 122880 9 1%

18:22:23.343 UTC Mon Aug 18 2014

#sh mls cef su

Total routes: 503648
IPv4 unicast routes: 501593
IPv4 Multicast routes: 4
MPLS routes: 2049
IPv6 unicast routes: 2
IPv6 multicast routes: 3
EoM routes: 0

#sh mls cef maxi
FIB TCAM maximum routes :
=======================
Current :-
-------
IPv4 - 768k
MPLS - 16k (default)
IPv6 + IP Multicast - 120k (default)