At the global level do: lldp global enable lldp compliance cdp On each port, enter the commands: port link-mode bridge port link-type hybrid voice-vlan qos trust voice-vlan enable stp edged-port cdp voice-vlan lldp tlv-enable med-tlv network-policy qos trust dscp qos wrr ef group sp qos gts queue 5 cir cbs poe enable Phones We've had reports that phones can sometimes cause issues. The value of delay must be smaller than or equal to a quarter of interval. Whether the interface is configured to send the TLVs of the specified type. But if a new switch is added anywhere on the network, it could affect phones several hops away if it starts transmits CDP or LLDP information. Thanks to modern technology.
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