Cisco N7K-C7009 Bedienungsanleitung PDF herunterladen (Seite 75)

Presentation_ID

Cisco Public

BRKARC-3470 Cisco Public

Atomic Policy Programming Cont.

• To support atomic programming, software reserves 50% of available TCAM

• If insufficient resources available, system returns an error and no modifications

made in hardware

‒ Failed to complete Verification: Tcam will be over used, please turn

off atomic update

• Disable with no platform access-list update atomic

‒ Disabling may be necessary for very large ACL configurations

‒ Atomic programming attempted but not mandatory

• User can disable atomic programming and perform update non-atomically

(assuming ACL fits in CL TCAM)

‒ “Default” ACL result (deny by default) returned for duration of reprogramming

‒ Use [no] hardware access-list update default-result permit to control default result

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Cisco N7K-C7009 Bedienungsanleitung Seite 75