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交换机：Cisco 2960\Cisco 3560
1、查看 IP 对应交换机接口 MAC 地址
Switch_master#show arp | include 10.0.3.85
Internet 10.0.3.85 0 94de.80ff.c61a ARPA Vlan30
2、通过 MAC 地址查看对应交换机端口
Switch_master#show mac address-table dynamic address 94de.80ff.c6aa
Mac Address Table
——————————————-
Vlan Mac Address Type Ports
—- ———– ——– —–
30 94de.80ff.c61a DYNAMIC Gi1/0/3
Total Mac Addresses for this criterion: 1
3、通过接口查看对应的设备
Switch_master#show cdp neighbors gigabitEthernet 1/0/3
Capability Codes: R – Router, T – Trans Bridge, B – Source Route Bridge
S – Switch, H – Host, I – IGMP, r – Repeater, P – Phone,
D – Remote, C – CVTA, M – Two-port Mac Relay
Device ID Local Intrfce Holdtme Capability Platform Port ID
switch_slave Gig 1/0/3 140 S I WS-C3750X Gig 1/0/1
Total cdp entries displayed : 1
# 对应接口为 Cisco 交换机，继续登陆交换机查询
switch_slave#show mac address-table dynamic address 94de.80ff.c6aa
Mac Address Table
——————————————-
Vlan Mac Address Type Ports
—- ———– ——– —–
30 94de.80ff.c61a DYNAMIC Gi1/0/11
Total Mac Addresses for this criterion: 1
# 先查看对应端口下活动的 MAC 地址，来判断接口下的活跃的设备
switch_slave#show mac address-table dynamic interface gigabitEthernet 1/0/11
Mac Address Table
——————————————-
Vlan Mac Address Type Ports
—- ———– ——– —–
30 94de.80ff.c61a DYNAMIC Gi1/0/11
Total Mac Addresses for this criterion: 1
4、通过交换机端口查看对应接口设备 IP
# 查看接口对接设备的 mac 地址
switch_slave#show mac address-table dynamic interface gigabitEthernet 1/0/11
Mac Address Table
——————————————-
Vlan Mac Address Type Ports
—- ———– ——– —–
30 94de.80ff.c61a DYNAMIC Gi1/0/11
# 通过 mac 地址查看你对应设备 IP
switch_slave#show arp | include 94de.80ff.c6aa
Internet 10.0.3.85 0 94de.80ff.c61a ARPA Vlan30
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