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QOS

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sarahr202
Level 5
Level 5

‎12-26-2008 08:24 PM - edited ‎03-04-2019 03:14 AM

Hi everybody!

1)Are packets with qos fields cef-switched or switched by layer 3 forwarding engine?

thanks a lot!

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lejoe.thomas
Level 3
Level 3

‎12-26-2008 09:04 PM

Hi Sarah,

Yes they are cef switched is most cases, because packets with QOS fields have the DS field or TOS byte marked in the IP header. So, the normal CEF rules apply except when it is not supported by CEF (adjacency that requires special handling).

HTH

Lejoe

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lejoe.thomas
Level 3
Level 3

‎12-26-2008 09:04 PM

Hi Sarah,

Yes they are cef switched is most cases, because packets with QOS fields have the DS field or TOS byte marked in the IP header. So, the normal CEF rules apply except when it is not supported by CEF (adjacency that requires special handling).

HTH

Lejoe

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sarahr202
Level 5
Level 5
In response to lejoe.thomas

‎12-27-2008 07:20 AM

Thanks Lejoe!

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