R3303-HP 6600/HSR6600 Routers Layer 2 - LAN Switching Configuration Guide

3
Adding or modifying a static or dynamic MAC address table
entry in interface view
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Enter Layer 2 Ethernet or
aggregate interface view.
interface interface-type
interface-number
N/A
3. Add or modify a static or
dynamic MAC address entry.
mac-address { dynamic |
static } mac-address vlan
vlan-id
By default, no MAC address entry is
configured.
Make sure you have created the VLAN and
assigned the interface to the VLAN.
Configuring a blackhole MAC address entry
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Add or modify a blackhole
MAC address entry.
mac-address blackhole mac-address
vlan vlan-id
By default, no MAC address entry
is configured.
Disabling MAC address learning
Sometimes, you might need to disable MAC address learning to prevent the MAC address table from
being saturated, for example, when your device is being attacked by a large volume of packets with
different source MAC addresses.
You can disable MAC address learning globally, on a per-port basis, or on a per-VLAN basis.
If no static entries are configured, the learned MAC addresses are removed 5 minutes later after MAC
address learning is disabled.
Disabling global MAC address learning
Disabling global MAC address learning disables the learning function on all ports.
To disable global MAC address learning:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Disable global MAC address
learning.
mac-address mac-learning disable
By default, global MAC address
learning is enabled.