show arp | in ip找到MAC地址，
然后show mac-address-table address MAC找到对应交换机端口，
vlan1 必须管理DOWN 掉，否则netmaneger vlan2不通，无法远程管理交换机。
0710-SCM4506-A>show cdp neighbors GigabitEthernet3/15 查找端口上所接的设备
Capability Codes: R - Router, T - Trans Bridge, B - Source Route Bridge
S - Switch, H - Host, I - IGMP, r - Repeater, P - Phone
Device ID Local Intrfce Holdtme Capability Platform Port ID
254150 Gig 3/15 166 S I WS-C2950G-Gig 0/2
Cisco2924#show mac-address-table dynamic address 0009.6b8c.64ec
Non-static Address Table:
Destination Address Address Type VLAN Destination Port
------------------- ------------ ---- --------------------
0009.6b8c.64ec Dynamic 2 FastEthernet0/2
Cisco2924#show mac-address-table dynamic interface f0/2
Non-static Address Table:
Destination Address Address Type VLAN Destination Port
------------------- ------------ ---- --------------------
0009.6b8c.64ec Dynamic 2 FastEthernet0/2
通过以上命令可知，MAC地址0009.6b8c.64ec 与Cisco 2924交换机相连，且是该端口上唯一活动的MAC地址，所以IP为10.10.1.250的机器应该就连接在这个端口上。 3COME文档编辑
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