C
HAPTER
24
| General Security Measures
Network Access (MAC Address Authentication)
– 884 –
show
network-access
mac-address-table
Use this command to display secure MAC address table entries.
SYNTAX
show network-access mac-address-table [static | dynamic]
[address mac-address [mask]] [interface interface]
[sort {address | interface}]
static - Specifies static address entries.
dynamic - Specifies dynamic address entries.
mac-address - Specifies a MAC address entry.
(Format: xx-xx-xx-xx-xx-xx)
mask - Specifies a MAC address bit mask for filtering displayed
addresses.
interface - Specifies a port interface.
ethernet unit/port
unit - Unit identifier. (Range: 1)
port - Port number. (Range: 1-28/52)
sort - Sorts displayed entries by either MAC address or interface.
DEFAULT SETTING
Displays all filters.
COMMAND MODE
Privileged Exec
COMMAND USAGE
When using a bit mask to filter displayed MAC addresses, a 1 means “care”
and a 0 means “don't care”. For example, a MAC of 00-00-01-02-03-04 and
mask FF-FF-FF-00-00-00 would result in all MACs in the range 00-00-01-
00-00-00 to 00-00-01-FF-FF-FF to be displayed. All other MACs would be
filtered out.
EXAMPLE
Console#show network-access mac-address-table
---- ----------------- --------------- --------- -------------------------
Port MAC-Address RADIUS-Server Attribute Time
---- ----------------- --------------- --------- -------------------------
1/1 00-00-01-02-03-04 172.155.120.17 Static 00d06h32m50s
1/1 00-00-01-02-03-05 172.155.120.17 Dynamic 00d06h33m20s
1/1 00-00-01-02-03-06 172.155.120.17 Static 00d06h35m10s
1/3 00-00-01-02-03-07 172.155.120.17 Dynamic 00d06h34m20s
Console#
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