H3C s3100 series Command Manual page 1055

Use the undo port command to remove the specified port from the Smart Link group.
Either a single port or a link aggregation group configured manually or statically can serve as a member
for a Smart Link group. However, a link aggregation group configured dynamically cannot serve as a
member for a Smart Link group. This command is not applicable to member ports in a link aggregation
group.
Because Smart Link and STP cannot be enabled on an Ethernet port at the same time, you must make
sure that STP is disabled on the port before assigning the port to a smart link group.
Example
# Configure Ethernet1/0/6 as the slave port of Smart Link group 1.
<Sysname> system-view
System View: return to User View with Ctrl+Z.
[Sysname] smart-link group 1
[Sysname-smlk-group1] port Ethernet 1/0/6 slave
port smart-link group
Syntax
port smart-link group group-id { master | slave }
undo port smart-link group group-id
View
Ethernet port view
Parameter
group-id: Smart link group ID, in the range of 1 to 24.
master: Configures the port as the master port of the Smart Link group.
slave: Configures the port as the slave port of the Smart Link group.
Description
Use the port smart-link group command to configure the current port as a member of the Smart Link
group.
Use the undo port smart-link group command to remove the current port from the specified Smart
Link group.
Either a single port or a link aggregation group configured manually or statically can serve as a member
for a Smart Link group. However, a link aggregation group configured dynamically cannot serve as a
member for a Smart Link group. This command is not applicable to member ports in a link aggregation
group.
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