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How to reconfigure the TCAM size in Cisco 7600

ramanai.raj
Level 1
Level 1

Hi All,

We have CSCO7600-SUP720-3BXL deployed in our network which has full internet feed that is close to 500K IPV4 routes. The mls cef supports maximum of 512K routes for both IPV4_MPLS, Its close to the maximum value.

How can i increase the reconfigure TCAM size for IPV4 routes, instead reducing the routers in router.

Below log am getting in router:

%MLSCEF-SP-4-FIB_EXCEPTION_THRESHOLD:       Hardware CEF entry usage is at 95% capacity for IPv4 unicast       protocol.

#sh mls cef summary

Total routes:                     496900

    IPv4 unicast routes:          494749

    IPv4 Multicast routes:        6    

    MPLS routes:                  1884 

    IPv6 unicast routes:          256  

    IPv6 multicast routes:        3    

    EoM routes:                   5    

#sh mls cef exception status

Current IPv4 FIB exception state = FALSE

Current IPv6 FIB exception state = FALSE

Current MPLS FIB exception state = FALSE

Regards,

Vikram S

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