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Sup tcam utilization has gone above the threshold of 90% on ASIC id 0 on N3K

yyang3
Cisco Employee
Cisco Employee

Hi Everybody,

 

We got the below message after reloading on Nx3548.

 

Switch %AFM-2-AFM_TCAM_UTIL_ABOVE_THRESHOL

D: sup tcam utilization has gone above the threshold of 90% on ASIC id 0

 

Switch#  show hardware profile tcam region

         sup size =   48

        vacl size =  640

       ifacl size =  400

         qos size =  192

       rbacl size =    0

        span size =    0

        racl size = 1536

      e-racl size =  256

      e-vacl size =  640

      qoslbl size =    0

        ipsg size =    0

      arpacl size =    0

   ipv6-racl size =    0

ipv6-e-racl size =    0

    ipv6-sup size =    0

    ipv6-qos size =    0

         nat size =  256

       e-qos size =   64

         pbr size =    0

    ipv6-pbr size =    0

        copp size =   64

 

  1. Could anyone help to explain what's the Sup TCAM and what is used for?
  2. How to troubleshoot this issue when we run into the same scenario?

It's appreciated if any advice. Thanks.

 

Best Wishes,

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