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H3C S3100 8C SI User Manual

H3C S3100 8C SI
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Operation Manual – Smart Link-Monitor Link
H3C S3100 Series Ethernet Switches Chapter 1 Smart Link Configuration
1-2
In Figure 1-1, Ethernet1/0/1 and Ethernet1/0/2 on Switch A are two member ports of a
Smart Link group.
II. Master port
The master port can be either an Ethernet port or a manually-configured or static LACP
aggregation group. For example, you can configure Ethernet1/0/1 of switch A in
Figure
1-1 as the master port through the command line.
III. Slave port
The slave port can be either an Ethernet port or a manually-configured or static LACP
aggregation group. For example, you can configure Ethernet1/0/2 of switch A in
Figure
1-1 as the slave port through the command line.
IV. Flush message
When a forwarding link fails, the device will switch the traffic to the blocked standby link.
The former forwarding entries of each device in the network are no longer suitable for
the new topology, so MAC address forwarding entries and ARP entries must be
updated throughout the network. In this case, the Smart Link group sends flush
messages to notify other devices to refresh MAC address forwarding entries and ARP
entries.
V. Control VLAN for sending flush messages
This control VLAN sends flush messages. When link switching occurs, the device
(Switch A in
Figure 1-1) broadcasts flush messages in this control VLAN.
VI. Control VLAN for receiving flush messages
This control VLAN is used for receiving and processing flush messages. When link
switching occurs, the devices (Switch B and Switch C in
Figure 1-1) receive and
process flush messages of this control VLAN, and then refresh MAC forwarding table
entries and ARP entries.
 Note:
z Currently, the member ports of a Smart Link group cannot be dynamic link
aggregation groups.
z If the master port or slave port of a Smart Link group is a link aggregation group, you
cannot remove this link aggregation group directly or change the aggregation group
into a dynamic aggregation group. Before removing this aggregation group, you
must unbind the link aggregation group from the Smart Link.

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H3C S3100 8C SI Specifications

General IconGeneral
BrandH3C
ModelS3100 8C SI
CategorySwitch
LanguageEnglish

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