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Webcast-Catalyst9k
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cdp+mac learning

I have a switch port with connected cisco ip phone

Have cdp neighbor on the port but no mac address entry

Does it is normal? Src mac is present in the cdp packet, why it didn't learned

l3s1 sh int gi8/17 status

Port      Name               Status       Vlan       Duplex  Speed       Type

Gi8/17                       connected    1          a-full a-1000 10/100/1000-TX

7l3s1 sh cdp nei | g 8/17

SEP189C5D21F3DB  Gig 8/17          128             H P M  IP Phone  Port 1

7l3s1 sh mac add int gi8/17

No entries present.

7l3s1 sh auth sess int gi8/17

No sessions match supplied criteria.

7l3s1 sh run int gi8/17

!

interface GigabitEthernet8/17

switchport mode access

switchport voice vlan 200

load-interval 30

authentication host-mode multi-domain

authentication order mab dot1x

authentication port-control auto

authentication periodic

authentication timer reauthenticate 21600

mab

dot1x pae authenticator

spanning-tree portfast

end

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