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LLDP Peers Fail to Be Discovered When an NE40E-X8 Is Directly Connected to an AR3260

Publication Date:  2019-03-27 Views:  20 Downloads:  0
Issue Description

LLDP peers fail to be discovered when an NE40E-X8 is directly connected to an AR3260.

Handling Process

1. Check that the device version is V800R009C10SPC200.

2. Check the key device configurations.

Ensure that LLDP has been enabled globally and on a specific interface.

Configuration on the NE40E-X8:


interface Serial4/1/7:0

link-protocol ppp

description To_ ZGGG-TZ-LHG-FA16-T-T06_S5/0/0

ip address

isis enable 1


Configuration on the AR3260:


interface Serial5/0/0

link-protocol ppp

description To_ ZGAC-KG-HJ-NE40E-T01_ S4/1/7:0

ip address

isis enable 1

fe1 unframed

fe1 clock master

crc 32

ppp compression iphc


3. Check that LLDP peers can be properly discovered when the interconnection interface is an optical interface or another electrical interface.


Root Cause

The NE40E-X8 V8 currently supports LLDP peer discovery only through Ethernet physical interfaces.