LLDP enabled on interface but neighbour devices unable to see firewall details

LLDP enabled on interface but neighbour devices unable to see firewall details

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Created On 09/25/18 17:41 PM - Last Modified 06/08/23 08:51 AM


Symptom


Symptoms

LLDP enabled on the interface but other devices are unable to see info related to the Palo Alto Networks firewall. 

Diagnosis

Make sure you also have enabled LLDP globally to make this protocol work.

Resolution


About the LLDP protocol

 

The Link Layer Discovery Protocol (LLDP) is a vendor-neutral link layer protocol in the Internet Protocol Suite used by network devices for advertising their identity, capabilities, and neighbors on an IEEE 802 local area network, principally wired Ethernet.

 

LLDP performs functions similar to several proprietary protocols, such as the Cisco Discovery Protocol (CDP) ect.

 

When enabled on the Palo Alto Networks firewall  within an interface...

 

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The other peers will not be able to see any infomation related to the Palo Alto Networks firewall such as system name, port despcription, etc. until we enable it globally.

 

Make sure you also have enabled LLDP globally to make this protocol work.

 

Go to Network > LLDP.

 

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