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does router strip dscp/af markings

Ahmed Dockrat
Beginner
Beginner

Hi

If I don't have any service policies configure to honour or set dscp/af markings on a cisco routers interface with standard config, will the router strip off any existnig qos marking as it routes the packet out.

thanks

1 Accepted Solution

Accepted Solutions

Karsten Iwen
VIP Mentor VIP Mentor
VIP Mentor

No, the router doesn't modify the DSCP-values in your case. It could be different when you have a switch where QoS is enabled, but not completely configured. There you have the chance that all DSCP-values are remarked to 0 when the incoming port is untrusted.

-- 
Don't stop after you've improved your network! Improve the world by lending money to the working poor:
http://www.kiva.org/invitedby/karsteni

View solution in original post

2 Replies 2

Karsten Iwen
VIP Mentor VIP Mentor
VIP Mentor

No, the router doesn't modify the DSCP-values in your case. It could be different when you have a switch where QoS is enabled, but not completely configured. There you have the chance that all DSCP-values are remarked to 0 when the incoming port is untrusted.

-- 
Don't stop after you've improved your network! Improve the world by lending money to the working poor:
http://www.kiva.org/invitedby/karsteni

Thanks

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