I have an L2L between 2 switches (Cat 6500 with SUP-720 and Cat 6800 with Sup-2T-10G) through an L3 interface, we have already found too many total ouput drop on both sides, checking the interfaces that have the TX / RX They are not saturated.
One of the actions taken is to enable QoS on both ends, the packages are marked from the application with their respective DSCP (EF, AFXX)
ip address 172.X.X.X 255.255.255.252
mls qos trust dscp
interface GigabitEthernetX/Y/Z no switchport ip address 172.X.X.X 255.255.255.252 How I configure QoS DSCP on the interface?
I have the doubt if the configuration is correct, specially in the Cat6800 because I didn't find documentation about how to apply QoS on SUP-2T-10G.
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