玩转华为ENSP模拟器系列 | 配置LLDP基本功能示例
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目标
本举例介绍通过配置LLDP基本功能，使得NMS可以获取到网络的拓扑信息。
组网需求
如图1所示，DeviceA和DeviceB、DeviceC之间有可达链路，DeviceA、DeviceC与NMS之间有可达路由。在配置LLDP功能之前，DeviceA无法获取DeviceB和DeviceC的状态信息，NMS也不能通过SNMP报文获取DeviceA、DeviceB和DeviceC之间的拓扑结构信息。
配置LLDP功能之后，设备间可以通过交互LLDP报文获取彼此的状态信息。同时NMS可以通过LLDP管理IP地址查找DeviceA、DeviceB和DeviceC，获取它们之间的拓扑信息。
配置思路
- 配置DeviceA、DeviceB和DeviceC的相关接口的IP地址和路由协议，使网络层路由可达。
- 使能DeviceA、DeviceB和DeviceC的全局LLDP功能。
- 配置DeviceA、DeviceB和DeviceC的管理IP地址，该IP地址用于在邻居节点中标识本端设备。
- 配置DeviceA、DeviceB和DeviceC的LLDP相关参数，优化LLDP的性能。
- 配置DeviceA、DeviceB和DeviceC的LLDP告警功能，合理配置设备发送LLDP告警的延迟时间，既能达到告警的目的，也能降低系统资源的消耗。
操作步骤
- 配置相关接口的IP地址和路由协议
- 使能DeviceA、DeviceB和DeviceC的全局LLDP功能。
配置DeviceA
DeviceA:
sysname DeviceA
lldp enable
配置DeviceB
DeviceB:
sysname DeviceB
lldp enable
配置DeviceC
DeviceC:
sysname DeviceC
lldp enable
- 配置DeviceA、DeviceB和DeviceC的管理IP地址。
配置DeviceA的管理IP地址为10.10.10.1。
DeviceA:
lldp management-address 10.10.10.1
配置DeviceB的管理IP地址为10.10.10.2。
DeviceB:
lldp management-address 10.10.10.2
配置DeviceC的管理IP地址为10.10.10.3。
DeviceC:
lldp management-address 10.10.10.3
- 配置DeviceA、DeviceB和DeviceC的LLDP相关参数，包括设备发送LLDP报文的周期和延迟时间。
配置DeviceA发送LLDP报文的周期和延迟时间。
DeviceA:
lldp message-transmission interval 60
lldp message-transmission delay 9
配置DeviceB和DeviceC发送LLDP报文的周期和延迟时间，参见DeviceA的配置。
- 使能DeviceA、DeviceB和DeviceC的LLDP告警功能，配置设备发送LLDP告警的延迟时间。
配置DeviceA
DeviceA:
snmp-agent trap enable feature-name lldp
lldp trap-interval 10
配置DeviceB和DeviceC，参见DeviceA的配置
- 检查配置结果
查看DeviceA的LLDP是否使能、LLDP管理地址是否配置、LLDP告警功能是否使能以及LLDP属性的值是否为所配置的值。
查看DeviceA的本地LLDP信息。
[~DeviceA] display lldp local
System information
--------------------------------------------------------------------------
Chassis type :macAddress
Chassis ID :707b-e820-49d4
System name :DeviceA
System description :Huawei Versatile Routing Platform Software
VRP (R) software, Version 8.180 (CX V800R011C00SPC607B607)
Copyright (C) 2012-2018 Huawei Technologies Co., Ltd.
HUAWEI CX
System capabilities supported :bridge router
System capabilities enabled :bridge router
LLDP Up time :2019-10-30 09:59:07
System configuration
--------------------------------------------------------------------------
LLDP Status :enabled (default is disabled)
LLDP Message Tx Interval :60 (default is 30s)
LLDP Message Tx Hold Multiplier :4 (default is 4)
LLDP Refresh Delay :2 (default is 2s)
LLDP Tx Delay :9 (default is 2s)
LLDP Notification Interval :10 (default is 5s)
LLDP Notification Enable :enabled (default is disabled)
Management Address :ipv4: 10.10.10.1
LLDP Fast Message Count :4 (default is 4)
Remote Table Statistics:
--------------------------------------------------------------------------
Remote Table Last Change Time :0 days, 0 hours, 32 minutes, 29 seconds
Remote Neighbors Added :2
Remote Neighbors Deleted :0
Remote Neighbors Dropped :0
Remote Neighbors Aged :0
Total Neighbors :2
Port information:
--------------------------------------------------------------------------
Interface Ethernet1/0/0:
LLDP Enable Status :txAndRx (default is disabled)
Total Neighbors :0
Port ID subtype :interfaceName
Port ID :Ethernet1/0/0
Port description :
Port and Protocol VLAN ID(PPVID) :unsupported
Port VLAN ID(PVID) :0
VLAN name of VLAN :--
Protocol identity :STP RSTP/MSTP LACP EthOAM
Auto-negotiation supported :Yes
Auto-negotiation enabled :Yes
OperMau :speed (100) /duplex (Auto)
Link aggregation supported :Yes
Link aggregation enabled :No
Aggregation port ID :0
Maximum frame Size :9216
Device discovery protocol TLV
Serial number :--
Interface index :--
IPv4 address :--
MAC address :--
Interface Ethernet1/0/1:
LLDP Enable Status :txAndRx (default is disabled)
Total Neighbors :0
Port ID subtype :interfaceName
Port ID :Ethernet1/0/1
Port description :
Port and Protocol VLAN ID(PPVID) :unsupported
Port VLAN ID(PVID) :0
VLAN name of VLAN :--
Protocol identity :STP RSTP/MSTP LACP EthOAM
Auto-negotiation supported :Yes
Auto-negotiation enabled :Yes
OperMau :speed (100) /duplex (Auto)
Link aggregation supported :Yes
Link aggregation enabled :No
Aggregation port ID :0
Maximum frame Size :9216
Device discovery protocol TLV
Serial number :--
Interface index :--
IPv4 address :--
MAC address :--
Interface Ethernet1/0/2:
LLDP Enable Status :txAndRx (default is disabled)
Total Neighbors :0
Port ID subtype :interfaceName
Port ID :Ethernet1/0/2
Port description :
Port and Protocol VLAN ID(PPVID) :unsupported
Port VLAN ID(PVID) :0
VLAN name of VLAN :--
Protocol identity :STP RSTP/MSTP LACP EthOAM
Auto-negotiation supported :Yes
Auto-negotiation enabled :Yes
OperMau :speed (100) /duplex (Auto)
Link aggregation supported :Yes
Link aggregation enabled :No
Aggregation port ID :0
Maximum frame Size :9216
Device discovery protocol TLV
Serial number :--
Interface index :--
IPv4 address :--
MAC address :--
Interface Ethernet1/0/3:
LLDP Enable Status :txAndRx (default is disabled)
Total Neighbors :0
Port ID subtype :interfaceName
Port ID :Ethernet1/0/3
Port description :
Port and Protocol VLAN ID(PPVID) :unsupported
Port VLAN ID(PVID) :0
VLAN name of VLAN :--
Protocol identity :STP RSTP/MSTP LACP EthOAM
Auto-negotiation supported :Yes
Auto-negotiation enabled :Yes
OperMau :speed (100) /duplex (Auto)
Link aggregation supported :Yes
Link aggregation enabled :No
Aggregation port ID :0
Maximum frame Size :9216
Device discovery protocol TLV
Serial number :--
Interface index :--
IPv4 address :--
MAC address :--
Interface Ethernet1/0/4:
LLDP Enable Status :txAndRx (default is disabled)
Total Neighbors :0
Port ID subtype :interfaceName
Port ID :Ethernet1/0/4
Port description :
Port and Protocol VLAN ID(PPVID) :unsupported
Port VLAN ID(PVID) :0
VLAN name of VLAN :--
Protocol identity :STP RSTP/MSTP LACP EthOAM
Auto-negotiation supported :Yes
Auto-negotiation enabled :Yes
OperMau :speed (100) /duplex (Auto)
Link aggregation supported :Yes
Link aggregation enabled :No
Aggregation port ID :0
Maximum frame Size :9216
Device discovery protocol TLV
Serial number :--
Interface index :--
IPv4 address :--
MAC address :--
Interface Ethernet1/0/5:
LLDP Enable Status :txAndRx (default is disabled)
Total Neighbors :0
Port ID subtype :interfaceName
Port ID :Ethernet1/0/5
Port description :
Port and Protocol VLAN ID(PPVID) :unsupported
Port VLAN ID(PVID) :0
VLAN name of VLAN :--
Protocol identity :STP RSTP/MSTP LACP EthOAM
Auto-negotiation supported :Yes
Auto-negotiation enabled :Yes
OperMau :speed (100) /duplex (Auto)
Link aggregation supported :Yes
Link aggregation enabled :No
Aggregation port ID :0
Maximum frame Size :9216
Device discovery protocol TLV
Serial number :--
Interface index :--
IPv4 address :--
MAC address :--
Interface Ethernet1/0/6:
LLDP Enable Status :txAndRx (default is disabled)
Total Neighbors :0
Port ID subtype :interfaceName
Port ID :Ethernet1/0/6
Port description :
Port and Protocol VLAN ID(PPVID) :unsupported
Port VLAN ID(PVID) :0
VLAN name of VLAN :--
Protocol identity :STP RSTP/MSTP LACP EthOAM
Auto-negotiation supported :Yes
Auto-negotiation enabled :Yes
OperMau :speed (100) /duplex (Auto)
Link aggregation supported :Yes
Link aggregation enabled :No
Aggregation port ID :0
Maximum frame Size :9216
Device discovery protocol TLV
Serial number :--
Interface index :--
IPv4 address :--
MAC address :--
Interface Ethernet1/0/7:
LLDP Enable Status :txAndRx (default is disabled)
Total Neighbors :0
Port ID subtype :interfaceName
Port ID :Ethernet1/0/7
Port description :
Port and Protocol VLAN ID(PPVID) :unsupported
Port VLAN ID(PVID) :0
VLAN name of VLAN :--
Protocol identity :STP RSTP/MSTP LACP EthOAM
Auto-negotiation supported :Yes
Auto-negotiation enabled :Yes
OperMau :speed (100) /duplex (Auto)
Link aggregation supported :Yes
Link aggregation enabled :No
Aggregation port ID :0
Maximum frame Size :9216
Device discovery protocol TLV
Serial number :--
Interface index :--
IPv4 address :--
MAC address :--
Interface Ethernet1/0/8:
LLDP Enable Status :txAndRx (default is disabled)
Total Neighbors :0
Port ID subtype :interfaceName
Port ID :Ethernet1/0/8
Port description :
Port and Protocol VLAN ID(PPVID) :unsupported
Port VLAN ID(PVID) :0
VLAN name of VLAN :--
Protocol identity :STP RSTP/MSTP LACP EthOAM
Auto-negotiation supported :Yes
Auto-negotiation enabled :Yes
OperMau :speed (100) /duplex (Auto)
Link aggregation supported :Yes
Link aggregation enabled :No
Aggregation port ID :0
Maximum frame Size :9216
Device discovery protocol TLV
Serial number :--
Interface index :--
IPv4 address :--
MAC address :--
Interface Ethernet1/0/9:
LLDP Enable Status :txAndRx (default is disabled)
Total Neighbors :0
Port ID subtype :interfaceName
Port ID :Ethernet1/0/9
Port description :
Port and Protocol VLAN ID(PPVID) :unsupported
Port VLAN ID(PVID) :0
VLAN name of VLAN :--
Protocol identity :STP RSTP/MSTP LACP EthOAM
Auto-negotiation supported :Yes
Auto-negotiation enabled :Yes
OperMau :speed (100) /duplex (Auto)
Link aggregation supported :Yes
Link aggregation enabled :No
Aggregation port ID :0
Maximum frame Size :9216
Device discovery protocol TLV
Serial number :--
Interface index :--
IPv4 address :--
MAC address :--
Interface GigabitEthernet0/0/0:
LLDP Enable Status :txAndRx (default is disabled)
Total Neighbors :2
Port ID subtype :interfaceName
Port ID :GigabitEthernet0/0/0
Port description :
Port and Protocol VLAN ID(PPVID) :unsupported
Port VLAN ID(PVID) :0
VLAN name of VLAN :--
Protocol identity :STP RSTP/MSTP LACP EthOAM
Auto-negotiation supported :No
Auto-negotiation enabled :No
OperMau :speed (100) /duplex (Auto)
Link aggregation supported :Yes
Link aggregation enabled :No
Aggregation port ID :0
Maximum frame Size :0
Device discovery protocol TLV
Serial number :--
Interface index :--
IPv4 address :--
MAC address :--
[~DeviceA]
查看DeviceA的邻居设备的LLDP信息。
[~DeviceA]dis lldp neighbor interface GigabitEthernet 0/0/0
GigabitEthernet0/0/0 has 2 neighbor(s):
Neighbor index :1
Chassis type :macAddress
Chassis ID :707b-e8d4-4d26
Port ID type :interfaceName
Port ID :GigabitEthernet0/0/0
Port description :--
System name :DeviceB
System description :Huawei Versatile Routing Platform Software
VRP (R) software, Version 8.180 (CX V800R011C00SPC607B607)
Copyright (C) 2012-2018 Huawei Technologies Co., Ltd.
HUAWEI CX
System capabilities supported :bridge router
System capabilities enabled :bridge router
Management address type :ipv4
Management address :10.10.10.2
Expired time :183s
Port VLAN ID(PVID) :--
Port and Protocol VLAN ID(PPVID) :--
Port and Protocol VLAN supported :--
Port and Protocol VLAN enabled :--
VLAN name of VLAN :--
Protocol identity :--
Auto-negotiation supported :--
Auto-negotiation enabled :--
OperMau :speed (--) /duplex (--)
Link aggregation supported :--
Link aggregation enabled :--
Aggregation port ID :--
Maximum frame Size :--
Discovered time :2019-10-30 09:58:51
Device discovery protocol TLV
Serial number :--
Interface index :--
IPv4 address :--
MAC address :--
Neighbor index :2
Chassis type :macAddress
Chassis ID :707b-e825-2640
Port ID type :interfaceName
Port ID :GigabitEthernet0/0/0
Port description :--
System name :DeviceC
System description :Huawei Versatile Routing Platform Software
VRP (R) software, Version 8.180 (CX V800R011C00SPC607B607)
Copyright (C) 2012-2018 Huawei Technologies Co., Ltd.
HUAWEI CX
System capabilities supported :bridge router
System capabilities enabled :bridge router
Management address type :ipv4
Management address :10.10.10.3
Expired time :238s
Port VLAN ID(PVID) :--
Port and Protocol VLAN ID(PPVID) :--
Port and Protocol VLAN supported :--
Port and Protocol VLAN enabled :--
VLAN name of VLAN :--
Protocol identity :--
Auto-negotiation supported :--
Auto-negotiation enabled :--
OperMau :speed (--) /duplex (--)
Link aggregation supported :--
Link aggregation enabled :--
Aggregation port ID :--
Maximum frame Size :--
Discovered time :2019-10-30 10:31:17
Device discovery protocol TLV
Serial number :--
Interface index :--
IPv4 address :--
MAC address :--
[~DeviceA]
[~DeviceA]
查看DeviceB和DeviceC的LLDP功能是否使能、LLDP管理地址是否配置，参见查看DeviceA的配置信息的过程。
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