Allied Telesis AT-S39 - Manual (Page 80)

Chapter 9: Port Trunking Commands
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ADD SWITCH TRUNK
Syntax
add switch trunk=name port=ports
Parameters
trunk Specifies the name of the trunk. (You can enter any
alphanumeric character for the name and this
command will work. This is useful if you have
forgotten the name you assigned the trunk.)
port Specifies the port to be added to the existing port
trunk. You can add more than one port. The ports can
be specified individually (e.g., 1,2) or as a range (e.g.,1-
2). A port trunk cannot have more than four ports.
Description
This command adds one or more ports to an existing port trunk. To view
the ports of a trunk, refer to the SHOW SWITCH TRUNK command. To
initially create a port trunk, see the CREATE SWITCH TRUNK command.
Caution
Disconnect all data cables from the ports of the trunk on the switch
before using this command. Adding a port to a port trunk without
first disconnecting the cables may result in loops in your network
topology, which can produce broadcast storms and poor network
performance.
Example
The following command adds Port 5 to the existing port trunk on the
switch:
add switch trunk=a port=5