H3C沟通机查看上行端口联接设备指令
你在设备上翻开NDP 协议
ndp enable ?
interface Select interface to configure
<cr>
查看
dis ndp
Neighbor Discovery Protocol is enabled.
Neighbor Discovery Protocol Ver: 1, Hello Timer: 60(s), Aging Timer: 180(s)
Interface: Ethernet1/0/1
Status: Enabled, Pkts Snd: 26, Pkts Rvd: 0, Pkts Err: 0

Interface: Ethernet1/0/2
Status: Enabled, Pkts Snd: 2, Pkts Rvd: 0, Pkts Err: 0

Interface: Ethernet1/0/3
Status: Enabled, Pkts Snd: 124786, Pkts Rvd: 126413, Pkts Err: 0
Neighbor 1: Aging Time: 173(s)
MAC Address : 781d-ba8a-1bc3
Port Name : GigabitEthernet0/0/1
Software Ver: Version 5.70 V十0R005C01
Device Name : Quidway
Port Duplex : FULL
Hardware Ver: S2300 V十0R005C01

在1/0/3 口接有一华为设备 类型S2300

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