From: null void (nullv0idmain@yahoo.com)
Date: Mon Mar 07 2005 - 21:22:38 GMT-3
Does anyone have thoughts on this statement ? I am interpreting this as saying that if you want to mark traffic leaving your LAN interface heading into your Layer 2 Fabric on the routers LAN/ETHERNET interface you can only apply a service policy outbound on the interface ??
TIA
Marking a packet with a local CoS value allows users to associate a Layer 2 Class of Service value with
a packet. The value can then be used to classify packets based on user-defined requirements. Layer 2 to
Layer 3 mapping can also be configured by matching on the CoS value, since switches already have the
capability to match and set CoS values. If a packet that needs to be marked to differentiate user-defined
QoS services is leaving a router and entering a switch, the router should set the CoS value of the packet,
since the switch can process the layer 2 CoS header marking.
The CoS value cannot be marked as part of an input traffic policy (which is attached to an interface using
the service-policy input command). A CoS value marking can only be applied to output traffic policies
(which are attached using the service-policy output command).
A user can set up to 8 different CoS markings.
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