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Question

The network monitoring application alerts a network engineer of a client PC that is acting as a rogue DHCP server. Which two commands help trace this PC when the MAC address is known?

A.	`switch# show mac address-table`
B.	`switch# show port-security`
C.	`switch# show ip verify source`
D.	`switch# show ip arp inspection`
E.	`switch# show mac address-table address`

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Accepted Answer

switch# show mac address-table

Accepted Answer

switch# show mac address-table address

Accepted Answer

These two commands will show the MAC address table, including the switch port that the particular host is using. Here is an example output:


Switch>show mac-address-table
Dynamic Addresses Count:               9
Secure Addresses (User-defined) Count: 0
Static Addresses (User-defined) Count: 0
System Self Addresses Count:           41
Total MAC addresses:                   50
Non-static Address Table:
Destination Address  Address Type  VLAN  Destination Port
-------------------  ------------  ----  --------------------
0010.0de0.e289       Dynamic          1  FastEthernet0/1
0010.7b00.1540       Dynamic          2  FastEthernet0/5
0010.7b00.1545       Dynamic          2  FastEthernet0/5