
60
View
System view
Default level
2: System level
Parameters
blackhole
: Specifies destination blackhole MAC address entries. These entries do not age, but you can
add or remove them. The packets whose destination MAC addresses match destination blackhole MAC
address entries are dropped.
mac
-
address
: Specifies a MAC address in the format of H-H-H, where 0s at the beginning of each H
(16-bit hexadecimal digit) can be omitted. For example, inputting “f-e2-1” indicates that the MAC
address is “000f-00e2-0001”.
vlan
vlan
-
id
: Specifies an existing VLAN to which the Ethernet interface belongs, where
vlan-id
is the
specified VLAN ID, in the range 1 to 4094.
dynamic
: Specifies dynamic MAC address entries. Aging time is set for these entries.
static
: Specifies static MAC address entries. These entries do not age, but you can add or remove them.
interface
interface
-
type interface
-
number
: Specifies an outbound interface by its type and number.
Description
Use the
mac-address
command to add or modify a MAC address entry.
Use the
undo mac-address
command to remove one or all MAC address entries.
A static or blackhole MAC address entry will not be overwritten by a dynamic MAC address entry. A
dynamic MAC address entry can be overwritten by a static or blackhole MAC address entry.
If you execute the
undo mac-address
command without specifying any parameters, this command
deletes all unicast MAC address entries and static multicast MAC address entries.
You can delete all the MAC address entries (including unicast MAC address entries and static multicast
MAC address entries) of a VLAN, or you can choose to delete its dynamic, static, or blackhole MAC
address entries only. You can single out some ports and delete the corresponding unicast MAC address
entries, but not the corresponding static multicast MAC address entries.
The MAC address entries configuration cannot survive a reboot unless you save it. The dynamic MAC
address table entries will be lost, whether you save the configuration or not.
Related commands:
display mac-address
.
Examples
# Add a static entry for MAC address 000f-e201-0101. All frames destined to this MAC address are sent
out of port GigabitEthernet1/0/1 which belongs to VLAN 2.
<Sysname> system-view
[Sysname] mac-address static 000f-e201-0101 interface GigabitEthernet1/0/1 vlan 2
mac-address mac-learning disable
Syntax
mac-address mac-learning disable
undo mac-address mac-learning disable