So I have a Cisco 2550 switch fa0/1 connected to a Cisco 3560 switch fa0/3.
Now running the command "show mac-address-table" on the 3650 gives this:
Why is this? There is nothing else connected to the 2550 switch so I don't understand why the fa0/3 interface is learning 2 mac addresses?
Now running the command "show mac-address-table" on the 3650 gives this:
Code:
Vlan Mac Address Type Ports
---- ----------- -------- -----
All 0100.0ccc.cccc STATIC CPU
All 0100.0ccc.cccd STATIC CPU
All 0180.c200.0000 STATIC CPU
All 0180.c200.0001 STATIC CPU
All 0180.c200.0002 STATIC CPU
All 0180.c200.0003 STATIC CPU
All 0180.c200.0004 STATIC CPU
All 0180.c200.0005 STATIC CPU
All 0180.c200.0006 STATIC CPU
All 0180.c200.0007 STATIC CPU
All 0180.c200.0008 STATIC CPU
All 0180.c200.0009 STATIC CPU
All 0180.c200.000a STATIC CPU
All 0180.c200.000b STATIC CPU
All 0180.c200.000c STATIC CPU
All 0180.c200.000d STATIC CPU
All 0180.c200.000e STATIC CPU
All 0180.c200.000f STATIC CPU
All 0180.c200.0010 STATIC CPU
All ffff.ffff.ffff STATIC CPU
1 0017.9471.5a00 DYNAMIC Fa0/3
1 0017.9471.5a01 DYNAMIC Fa0/3
1 98de.d006.f88c DYNAMIC Fa0/1
Total Mac Addresses for this criterion: 23
Why is this? There is nothing else connected to the 2550 switch so I don't understand why the fa0/3 interface is learning 2 mac addresses?