Command Line Interface
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show mac-address-table
Use this command to view classes of entries in the bridge-forwarding database.
Syntax
show mac-address-table [address mac-address [mask]] [interface interface]
[vlan vlan-id] [sort
{address | vlan | interface}]
• mac-address - MAC address.
• mask - Bits to match in the address.
• interface
• ethernet unit/port
- unit - This is device 1.
- port - Port number.
• port-channel channel-id (Range: 1-32)
• vlan-id - VLAN ID (Range: 1-4093)
• sort - Sort by address, vlan or interface.
Default Setting
None
Command Mode
Privileged Exec
Command Usage
• The MAC Address Table contains the MAC addresses associated with each
interface. Note that the Type field may include the following types:
- Learned - Dynamic address entries
- Permanent - Static entry
- Delete-on-reset - Static entry to be deleted when system is reset
• The mask should be hexadecimal numbers (representing an equivalent bit
mask) in the form xx-xx-xx-xx-xx-xx that is applied to the specified MAC
address. Enter hexadecimal numbers, where an equivalent binary bit “0”
means to match a bit and “1” means to ignore a bit. For example, a mask of
00-00-00-00-00-00 means an exact match, and a mask of
FF-FF-FF-FF-FF-FF means “any.”
• The maximum number of address entries is 8191.
Example
Console#show mac-address-table
Interface Mac Address Vlan Type
--------- ----------------- ---- -----------------
Eth 1/1 00-E0-29-94-34-DE 1 Delete-on-reset
Console#
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