If the interface speed is set to 1000 Mbps, it in theory should not be operating as half-duplex, ergo, no duplex option will be available to configure.
There are a few software defects some cosmetic, some operational, that change the interface dupl...
This one is already resolved, but, if you are using IOS-XE 16.X the command required is:
ip device tracking probe...
Reference:
https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3650/software/release/16-1/command_reference/b_161_consolid...
For QoS, Per Hop Behavior (PHB) is a principle to maintain consistency across a network for a given type of traffic.
At some point in the network marking should not be trusted in such way that traffic treatment could be influenced by malicious user...
Definition:
The Scavenger class is intended to provide deferential services, or less-than best-effort services, to certain applications. Applications assigned to this class have little or no contribution to the organizational objectives of the ente...