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I have a pair of 4500x in VSS mode and i have 100-150x SVIs and i have PBR under those SVIs and i am changing their next-hop, i want to know PBR and changing next-hop happens in TCAM, hardware or it is changing the next-hop by CPU? Thank you.

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  • Can you rephrase your question? It’s difficult to know what exactly you’re asking.
    – Jesse P.
    Feb 2, 2022 at 23:41

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If there's no tunneling like GRE and CEF is enabled the PBR is handled by CEF.

If you want to fast switch the PBR you can use ip route-cache policy under the interface.

Best

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