I have this design issue for a Cisco 7604 platform with PFC QOS where I have ingress tunnel in tunnel traffic on a interface which I have to mark with qos-group value. In PFC any incoming DSCP is mapped to the COS table and treated accordingly on the egress queues. Now how do I map this qos-group value to DSCP so that in the egress port the correct DSCP to COS map takes place.
[toc:faq]The ProblemOn traditional switches whenever we have a trunk
interface we use the VLAN tag to demultiplex the VLANs. The switch needs
to determine which MAC Address table to look in for a forwarding
decision. To do this we require the switch to do...
[toc:faq]Introduction:Netdr is a tool available on a RSP720, Sup720 or
Sup32 that allows one to capture packets on the RP or SP inband. The
netdr command can be used to capture both Tx and Rx packets in the
software switching path. This is not a substitut...
IntroductionOSPF, being a link-state protocol, allows for every router
in the network to know of every link and OSPF speaker in the entire
network. From this picture each router independently runs the Shortest
Path First (SPF) algorithm to determine the b...