Router Port query
1. Query which port is used by the machine
Display arp dynamic
Type: S-Static D-Dynamic
IP Address MAC Address VLAN ID Port Name Aging Type
10.248.2.190 0000-5e00-010a 220 GigabitEthernet6/0/48 12 D
10.248.2.189 0018-8288-64be 220 GigabitEthernet6/0/1 19 D
10.248.2.188 0018-8289-87e3 220 GigabitEthernet6/0/48 19 D
10.248.3.244 0018-8270-996b 210 GigabitEthernet6/0/30 4 D
10.248.3.246 0000-5e00-010a 210 GigabitEthernet6/0/30 13 D
10.248.3.245 0018-8287-c277 210 GigabitEthernet6/0/1 16 D
10.248.3.195 000f-e2b2-5a0a 110 GigabitEthernet6/0/1 18 D [@ more@]
Or check the port corresponding to the MAC address
Display mac-address
MAC ADDR VLAN ID STATE PORT INDEX AGING TIME (s)
0000-5e00-0101 10 Learned GigabitEthernet6/0/1 AGING
0003-b24a-9308 10 Learned GigabitEthernet6/0/1 AGING
001f-290d-a94b 10 Learned GigabitEthernet6/0/1 AGING
001f-290d-a968 10 Learned GigabitEthernet6/0/1 AGING
two。 Query commodity names by querying configuration information
Display current-configuration
Interface GigabitEthernet6/0/42
Port access vlan 110
#
Interface GigabitEthernet6/0/43
Port access vlan 110
#
Interface GigabitEthernet6/0/44
Port access vlan 20
#
Interface GigabitEthernet6/0/45
#
Interface GigabitEthernet6/0/46
#
Interface GigabitEthernet6/0/47
#
Interface GigabitEthernet6/0/48
Port access vlan 220
3. View port statu
Display interface GigabitEthernet6/0/31
GigabitEthernet6/0/31 current state: UP
IP Sending Frames' Format is PKTFMT_ETHNT_2, Hardware address is 000f-e2b2-5b17
The Maximum Transmit Unit is 1500
Media type is Twisted pair, loopback not set
Port hardware type is 1000_BASE_T
1000Mbps-speed mode, Full-duplex mode
Link speed type is autonegotiation, Link duplex type is autonegotiation
Flow-control is not enabled
The Maximum Frame Length is 1536
Allow jumbo frame to pass
PVID: 110
Mdi type: auto
Port link-type: access
Tagged VLAN ID: none
Untagged VLAN ID: 110
Last 300 seconds input: 0 packets/sec 5 bytes/sec
Last 300 seconds output: 6 packets/sec 1453 bytes/sec
Input (total): 13184423 packets, 2298060871 bytes
-broadcasts.-multicasts.
Input (normal): 13184423 packets,-bytes
512120 broadcasts, 10 multicasts
Input: 0 input errors, 0 runts,-giants, 0 throttles, 0 CRC
0 frame,-overruns,-aborts,-ignored,-parity errors
Output (total): 102676481 packets, 32553486104 bytes
-broadcasts.-multicasts.-pauses.
Output (normal): 102676481 packets,-bytes
850988 broadcasts, 48393324 multicasts, 0 pauses
Output: 0 output errors,-underruns,-buffer failures
0 aborts, 0 deferred, 0 collisions, 0 late collisions
-lost carrier.-no carrier.
Receive Packet Peak Value Info: 50985214 bytes/sec, happened at 16:8:31 4-8-2010
Transmit Packet Peak Value Info: 95747209 bytes/sec, happened at 10:32:16 12-15-2009
4. For multiple IP corresponding to a port, the address of this network card needs to be found.
Log in to the first router and check the IP
Display arp dynamic
Type: S-Static D-Dynamic
IP Address MAC Address VLAN ID Port Name Aging Type
10.248.2.190 0000-5e00-010a 220 GigabitEthernet6/0/48 12 D
10.248.2.189 0018-8288-64be 220 GigabitEthernet6/0/1 19 D
10.248.2.188 0018-8289-87e3 220 GigabitEthernet6/0/48 19 D
10.248.3.244 0018-8270-996b 210 GigabitEthernet6/0/30 4 D
10.248.3.246 0000-5e00-010a 210 GigabitEthernet6/0/30 13 D
10.248.3.245 0018-8287-c277 210 GigabitEthernet6/0/1 16 D
10.248.3.195 000f-e2b2-5a0a 110 GigabitEthernet6/0/1 18 D
10.248.2.3 000f-e2b2-5a0a 10 GigabitEthernet6/0/1 13 D
10.248.2.13 001f-290d-a96c 10 GigabitEthernet6/0/1 13 D
10.248.2.31 0023-7da9-9f8d 10 GigabitEthernet6/0/18 14 D
10.248.2.36 0023-7da9-9f5c 10 GigabitEthernet6/0/21 14 D
10.248.2.14 001f-290d-a968 10 GigabitEthernet6/0/1 15 D
10.248.2.28 0023-7da9-8ff7 10 GigabitEthernet6/0/17 15 D
10.248.2.32 0023-7da9-9f8d 10 GigabitEthernet6/0/18 15 D
10.248.2.40 0023-7da9-9f3b 10 GigabitEthernet6/0/22 15 D
10.248.2.20 001f-290d-a94b 10 GigabitEthernet6/0/1 15 D
10.248.2.62 0000-5e00-0101 10 GigabitEthernet6/0/1 15 D
10.248.2.41 0000-5e00-0101 10 GigabitEthernet6/0/1 15 D
10.248.2.16 001f-290d-a91e 10 GigabitEthernet6/0/35 15 D
10.248.2.24 001f-290d-a957 10 GigabitEthernet6/0/36 15 D
10.248.2.11 001f-290d-a96c 10 GigabitEthernet6/0/1 19 D
10.248.2.55 0000-5e00-0101 10 GigabitEthernet6/0/1 19 D
10.248.2.19 001f-290d-a94b 10 GigabitEthernet6/0/1 19 D
10.248.2.23 001f-290d-a957 10 GigabitEthernet6/0/36 20 D
10.248.2.35 0023-7da9-9f5c 10 GigabitEthernet6/0/21 20 D
10.248.2.61 0003-b24a-9308 10 GigabitEthernet6/0/1 20 D
10.248.2.60 0003-b24a-9548 10 GigabitEthernet6/0/38 20 D
Log in to the second router again
Display mac-address vlan 10
MAC ADDR VLAN ID STATE PORT INDEX AGING TIME (s)
0000-5e00-010a 10 Learned GigabitEthernet6/0/1 AGING
0003-b24a-9548 10 Learned GigabitEthernet6/0/1 AGING
000f-e2b2-5b18 10 Learned GigabitEthernet6/0/1 AGING
001f-290d-a91e 10 Learned GigabitEthernet6/0/1 AGING
001f-290d-a94f 10 Learned GigabitEthernet6/0/1 AGING
001f-290d-a957 10 Learned GigabitEthernet6/0/1 AGING
001f-290d-a961 10 Learned GigabitEthernet6/0/1 AGING
0023-7da9-8ff7 10 Learned GigabitEthernet6/0/1 AGING
0023-7da9-9f3b 10 Learned GigabitEthernet6/0/1 AGING
0023-7da9-9f5c 10 Learned GigabitEthernet6/0/1 AGING
0023-7da9-9f8d 10 Learned GigabitEthernet6/0/1 AGING
001f-290d-a96c 10 Learned GigabitEthernet6/0/33 AGING
001f-290d-a968 10 Learned GigabitEthernet6/0/34 AGING
001f-290d-a94b 10 Learned GigabitEthernet6/0/37 AGING
0000-5e00-0101 10 Learned GigabitEthernet6/0/38 AGING
0003-b24a-9308 10 Learned GigabitEthernet6/0/38 AGING
-16 mac address (es) found in vlan 10-
In this way, we can find out that 10.248.2.13 IP uses the port GigabitEthernet6/0/33.
