By default, no blackhole MAC address entry is configured.
l Configure attributes for dynamic MAC address entries of a bridge group.
– Run:
undo mac-address learning disable
Dynamic MAC address learning is enabled.
By default, dynamic MAC address learning is enabled for a bridge group.
– (Optional) Run:
mac-address aging-time seconds bridge
The aging time is configured for a dynamic MAC entry.
The configured aging time takes effect on the dynamic MAC address entries of all bridge
groups. The aging time can be 0 or ranges from 60 to 1000000, in seconds. The value
0 indicates that a dynamic MAC address entry will not age.
2.3.3 Adding Local Interfaces to a Bridge Group
Adding local interfaces to a bridge group allows the local LANs to communicate with each other.
Context
A bridge group is a virtual group. It can forward packets only after interfaces have been added
to the group.
As shown in Figure 2-4, the following methods can be used to add users to a bridge group:
l Directly add users to the bridge group. User 3 uses this method.
l Use a VLAN to add users to the bridge group. Create a VLAN on a bridge and add users
to the VLAN. Users then connect to the bridge group through the VLANIF interface. User
1 and User 2 use this method.
l Use Ethernet sub-interfaces to add users to the bridge group. This method is used when
flows on a physical interface need to be differentiated using sub-interfaces. User 4 uses this
method.
Figure 2-4 Networking diagram for adding users to bridge groups
RouterA
User 3
User 4
VLAN 11
User 1 User 2
Perform the following steps on the user-side interface of the device.
Huawei AR3200 Series Enterprise Routers
Configuration Guide - LAN 2 Transparent Bridging Configuration
Issue 02 (2012-03-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
37
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