We have a customer who has their edge switch connected to two core switches, between the two core switches we have configured an Etherchannel. We have used Spanning Tree to block at the edge, therefore one core switch is the root for even vlans and t...

Hi,I'm using a 3750 and have one of the switchports configured as a trunk, but I need to rate-limit the various vlans that are being trunk across it.At the moment i've configured the following on the vlan interfaces (rate-limit output 50000000 25000 ...

After reading a lot of literature on QOS, I was wondering if somebody could elaborate on step 3 in the following, with regard to the Internal COS label.*********************Layer 2, trust based on ingress port1. If the port is untrusted, apply the de...

A very quick question about QOS.After studying a number of pdf files, Im still unsure of how the PFC derives the DSCP value for a frame.In this scenario a trunk port has been configured as a trusted port, and its trusting the cos value contained with...