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How to Expand TCAM on Cisco 9400 Series Switches

LeJus
Level 1
Level 1

The results of the current command execution are as follows:

# show platform hardware fed active fwd resource tcam utilization

Codes: EM - Exact_Match, I - Input, O - Output, IO - Input & Output, NA - Not Applicable CAM Utilization for ASIC [0]
Table Subtype Dir Max Used %Used V4 V6 MPLS Other
------------------------------------------------------------------------------------------------------
...
IP Route Table TCAM I 65536 65536 100.00% 65527 6 2 1
...

If TCAM extension is possible Or if there is another way, please let me know.

Please note that SDM Prefer is available only in Access.

9 응답 9

Translator
Community Manager
Community Manager

The results of the current command execution are as follows:

# show platform hardware fed active fwd resource tcam utilization

Codes: EM - Exact_Match, I - Input, O - Output, IO - Input & Output, NA - Not Applicable CAM Utilization for ASIC [0]
Table Subtype Dir Max Used %Used V4 V6 MPLS Other

...
IP Route Table TCAM I 65536 65536 100.00% 65527 6 2 1
...

If TCAM extension is possible Or if there is another way, please let me know.

Please note that SDM Prefer is available only in Access.

There is hardware limitations. Please lower down prefixes by summary routes so that aggregate of routes install in routing table.

Approximately 99% of the routing table is received from BGP.
Is it possible to lower the prefix of this routing?
I do not have the authority to modify the other party's BGP route prefix.
In this case, is it possible to replace it with static routing?

If you can request other party to send aggregate routes, that will solve your problem.

Oh thank you so so much for the reply!!!

shambhu.kumar
Spotlight
Spotlight

There is hardware limitations. Please lower down prefixes by summary routes so that aggregate of routes install in routing table.

Approximately 99% of the routing table is received from BGP.
Is it possible to lower the prefix of this routing?
I do not have the authority to modify the other party's BGP route prefix.
In this case, is it possible to replace it with static routing?

If you can request other party to send aggregate routes, that will solve your problem.

Oh thank you so so much for the reply!!!

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