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Example for Configuring LLDP on the Network with link aggregation configured
Networking Requirements
As shown in Figure 5-3, SwitchA and SwitchB are connected through an Eth-Trunk. Routes between the NMS and Switches are reachable, and SNMP is configured.
A network administrator wants to obtain Layer 2 information about SwitchA and SwitchB to know the detailed network topology and configuration conflicts.
Configuration Roadmap
The LLDP function can meet the network administrator's requirement. The configuration roadmap is as follows:
- Add physical interfaces on SwitchA and SwitchB to the Eth-Trunk.
- Enable global LLDP on SwitchA and SwitchB.
- Configure management IP addresses for SwitchA and SwitchB.
Procedure
- Add physical interfaces on SwitchA and SwitchB to the Eth-Trunk.
# Configure SwitchA.
<Quidway> system-view [Quidway] sysname SwitchA [SwitchA] vlan batch 100 [SwitchA] interface eth-trunk 1 [SwitchA-Eth-Trunk1] trunkport ethernet 0/0/1 [SwitchA-Eth-Trunk1] trunkport ethernet 0/0/2 [SwitchA-Eth-Trunk1] trunkport ethernet 0/0/3 [SwitchA-Eth-Trunk1] port link-type trunk [SwitchA-Eth-Trunk1] port trunk allow-pass vlan 100 [SwitchA-Eth-Trunk1] quit
# Configure SwitchB.
<Quidway> system-view [Quidway] sysname SwitchB [SwitchB] vlan batch 100 [SwitchB] interface eth-trunk 1 [SwitchB-Eth-Trunk1] trunkport ethernet 0/0/1 [SwitchB-Eth-Trunk1] trunkport ethernet 0/0/2 [SwitchB-Eth-Trunk1] trunkport ethernet 0/0/3 [SwitchB-Eth-Trunk1] port link-type trunk [SwitchB-Eth-Trunk1] port trunk allow-pass vlan 100 [SwitchB-Eth-Trunk1] quit
- Enable global LLDP on SwitchA and SwitchB.
# Configure SwitchA.
[SwitchA] lldp enable# Configure SwitchB.[SwitchB] lldp enable - Configure management IP addresses for SwitchA and SwitchB.
# Configure SwitchA.
[SwitchA] lldp management-address 10.10.10.1# Configure SwitchB.[SwitchB] lldp management-address 10.10.10.2 - Verify the configurations.
Check the SwitchA configuration.
# Check whether the physical interfaces are added to Eth-Trunk1.
[SwitchA] display eth-trunk 1 Eth-Trunk1's state information is: WorkingMode: NORMAL Hash arithmetic: According to SIP-XOR-DIP Least Active-linknumber: 1 Max Bandwidth-affected-linknumber: 8 Operate status: up Number Of Up Port In Trunk: 3 -------------------------------------------------------------------------------- PortName Status Weight Ethernet0/0/1 Up 1 Ethernet0/0/2 Up 1 Ethernet0/0/3 Up 1
# Check neighbor information of SwitchA.
[SwitchA] display lldp neighbor brief Local Intf Neighbor Dev Neighbor Intf Exptime Eth0/0/1 SwitchB Eth0/0/1 115 Eth0/0/2 SwitchB Eth0/0/2 115 Eth0/0/3 SwitchB Eth0/0/3 115
Check the SwitchB configuration.
Refer to the steps for checking SwitchA.
Configuration Files
Configuration file of SwitchA
# sysname SwitchA # vlan batch 100 # lldp enable # lldp management-address 10.10.10.1 # interface Eth-Trunk1 port link-type trunk port trunk allow-pass vlan 100 # interface Ethernet0/0/1 eth-trunk 1 # interface Ethernet0/0/2 eth-trunk 1 # interface Ethernet0/0/3 eth-trunk 1 # interface LoopBack1 ip address 10.10.10.1 255.255.255.255 # return
Configuration file of SwitchB
# sysname SwitchB # vlan batch 100 # lldp enable # lldp management-address 10.10.10.2 # interface Eth-Trunk1 port link-type trunk port trunk allow-pass vlan 100 # interface Ethernet0/0/1 eth-trunk 1 # interface Ethernet0/0/2 eth-trunk 1 # interface Ethernet0/0/3 eth-trunk 1 # interface LoopBack1 ip address 10.10.10.2 255.255.255.255 # return
