Sw Macaddress
Switches

When you are looking on which interface a particulair MacAdress is comming from you would log into the core switch and ping the host
then you would perform:

switch>ping 192.168.1.4
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.1.4, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/4 ms
Switch>show ip arp 192.168.1.4
Protocol   Address                       Age (min)     Hardware Addr    Type  Interface
Internet   192.168.1.4                     0            0000.0000.0000  ARPA   VLAN677
Switch>
Switch>enable
Password:
Switch#show mac-address-table address 0000.0000.0000

vlan             mac-address            Type            Protocol                    Port
-------------------------------------------------------------------------------------------
VLAN677          0000.0000.0000         dynamic         ip,other         GigabitEthernet5/2

This will show the interface it learned the ip-address from. Then you could trace the line to it's switch
switches
Unless otherwise stated, the content of this page is licensed under Creative Commons Attribution-ShareAlike 3.0 License