Why do we use DSU bandwidth on interface ? . I got a request to change DSU bandwidth on WAN interface  from its default to some value. But when i changed the value on WAN interface the link went down . Again i had to login via Modem and revert the s...

Hi , Can anybody tell whether the below switches will support this command " auto qos trust dscp "  2950, 3550, 3524, 4506