H3C Technologies H3C S3600 Series Switches - Manual (Page 238)

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z When you add a MAC address entry, the port specified by the interface argument must belong to
the VLAN specified by the vlan argument in the command. Otherwise, the entry will not be added.
z If the VLAN specified by the vlan argument is a dynamic VLAN, after a static MAC address is
added, it will become a static VLAN.
Adding a MAC address entry in Ethernet port view
Follow these steps to add a MAC address entry in Ethernet port view:
To do… Use the command… Remarks
Enter system view system-view —
Enter Ethernet port view
interface interface-type
interface-number
—
Add a MAC address entry
mac-address { static |
dynamic | blackhole }
mac-address vlan vlan-id
Required
z When you add a MAC address entry, the current port must belong to the VLAN specified by the
vlan argument in the command. Otherwise, the entry will not be added.
z If the VLAN specified by the vlan argument is a dynamic VLAN, after a static MAC address is
added, it will become a static VLAN.
Setting the MAC Address Aging Timer
Setting an appropriate MAC address aging timer is important for the switch to run efficiently.
z If the aging timer is set too long, excessive invalid MAC address entries maintained by the switch
may fill up the MAC address table. This prevents the MAC address table from being updated with
network changes in time.
z If the aging timer is set too short, the switch may remove valid MAC address entries. This
decreases the forwarding performance of the switch.
Follow these steps to set aging time of MAC address entries:
To do… Use the command… Remarks
Enter system view system-view —
Set the MAC address
aging timer mac-address timer { aging age |
no-aging } Required
The default is 300 seconds.