What Interfaces support LLDP

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In V200R002C00 and earlier versions, only Layer 2 Ethernet interfaces on AR series routers support LLDP. In V200R002C01 and later versions, Layer 2 and Layer 3 Ethernet interfaces on AR series routers support LLDP.

Other related questions:
What Interfaces support LLDP
In V200R002C00 and earlier versions, only Layer 2 Ethernet interfaces on AR series routers support LLDP. In V200R002C01 and later versions, Layer 2 and Layer 3 Ethernet interfaces on AR series routers support LLDP.

Which interfaces on the AR router support LLDP
For V200R002C00 and later versions, only Layer 2 Ethernet interfaces on the AR series router support LLDP. For V200R002C01 and later versions, Layer 2 and Layer 3 Ethernet interfaces on the AR series router support LLDP.

What is LLDP
The Link Layer Discovery Protocol (LLDP) is a standard Layer 2 topology discovery protocol defined in IEEE 802.1ab. LLDP collects local device information including the management IP address, device ID, and port ID, and advertises the information to neighbors. Neighbors save the received information in their management information bases (MIBs). The network management system (NMS) can then use data in MIBs to query link status. LLDP is also used for neighbor discovery and neighbor link status query.

Functions of LLDP on an AR router
The Link Layer Discovery Protocol (LLDP) is a standard Layer 2 topology discovery protocol defined in IEEE 802.1ab. It can identify the interfaces on a network device and provide detailed information about connections between devices. It can also display paths between clients, switches, routers, application servers, and network servers.

Is LLDP compatible with CDP on S series switches
On Huawei S series switches (except the S1700), LLDP is compatible with similar protocols from other vendors to obtain status information about non-Huawei devices. For example, LLDP is compatible with CDP. The configuration procedure is as follows: 1. Enable LLDP globally. [HUAWEI] lldp enable 2. Configure CDP-compatible LLDP on an interface. [HUAWEI] interface GigabitEthernet 0/0/1 [HUAWEI-GigabitEthernet0/0/1] lldp compliance cdp receive

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