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Community Member

7600 QoS Issues with juniper

I´m having some issues with frames going into a 7600 with ToS value, but when going out from the 7600 dont have any more the ToS value.

This is happening when the source of the ip packets is a juniper.

2 REPLIES
Bronze

probably you have a mls qos

probably you have a mls qos implemented, so that means the router will remove the ToS value unless you trust that outgoing interface and configure the interface like mls qos trus cos and mls qos trust dscp

Community Member

Hi Rcochenos, Turns out to be

Hi Rcochenos,

 

Turns out to be a but, you know is always a bug, and it fix by removing and adding again the mls qos trust lines.

 

LCs ES20 seems not to be hit by the bug, it also seems just hit 12.2(33)SRE6

 

you can verify if its affecting you witht he command

remote command switch show qm-sp port-data "LC" "Port"

* Queuing Mode [COS]

* Type: Tx[COS to Q - 1p3q8t] Rx[COS to Q - 1q8t]

* Per-Port: Trust[Untrusted] Default COS[0] Override[1] [VLAN based]

 

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