3Com Switch 4500 26-Port User Manual

Configuring a Stack 163
■ If auto-numbering is selected, the system sets the unit ID priority to 10. You
can use the
fabric save-unit-id command to save the modified unit ID into
the unit Flash memory and clear the information about the existing one.
The unit IDs in a stack are not necessarily numbered consecutively or in ascending
order.
By default, the unit ID of a Switch is set to 1. A unit ID can be set to a value in the
range from 1 to the maximum number of devices supported in XRN.
Saving the Unit ID of
Each Unit in the Stack
You can use the commands in the following table to save the unit ID of each unit
in the stack to the unit Flash memory.
Perform the following configuration in User View.
Tab le 163 Save the unit ID of each unit in the stack
Specifying the Fabric
Port of the Switch
Perform the following configuration in System View.
Tab le 164 Specifying the Fabric Port of the Switch
Only the Gigabit combo ports can be used to interconnect the Switch units to
form a stack.
In the 3Com switch operating system, the term "fabric" is used as a general
expression for stack.
Setting Unit Names for
Switches
You can use the command in the following table to set a unit name for each
Switch.
Perform the following configuration in System View.
Tab le 165 Setting Unit Names for Switches
Setting a Stack Name for
Switches
Only the Switches with the same stack name and XRN authentication mode can
constitute a stack.
You can use the commands in the following table to set a stack name for the
Switches.
Perform the following configuration in System View.
Operation Command
Save the unit ID of each unit in the stack fabric save-unit-id
Restore the unit ID of each unit in the stack undo fabric save-unit-id
Operation Command
Specifying the stacking port of the
Switch
fabric-port { interface-name |
interface-type interface-num } enable
Cancel the stacking port of the
Switch
undo fabric-port { interface-name |
interface-type interface-num } enable
Operation Command
Set unit names for Switches set unit unit-id name unit-name

3Com Switch 4500 26-Port Specifications

General

Brand	3Com
Model	Switch 4500 26-Port
Category	Switch
Language	English