3Com 5500 SI - Switch - Stackable, Configuration Manual

Page: 81 / 686

Configuring an XRN Fabric 81
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If the modified unit ID is an existing one, the Switch prompts you to confirm if you
really want to change the unit ID. If you choose to change, the existing unit ID is
replaced and the priority is set to 5. Then 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.
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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 Fabric 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 Fabric
You can use the commands in the following table to save the unit ID of each unit in
the Fabric to the unit Flash memory.
Perform the following configuration in User View.
Table 63 Save the unit ID of each unit in the Fabric
Specifying the Fabric
Port of the Switch
Perform the following configuration in System View.
Table 64 Specifying the Fabric Port of the Switch
For 28-port Switch, the ports 27 and 28 can be the Fabric port, for 52-port Switch,
the ports 51 and 52 can be the Fabric port.
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.
Table 65 Setting Unit Names for Switches
Setting a Fabric Name
for Switches
Only the Switches with the same Fabric name and XRN authentication mode can
constitute a Fabric.
You can use the commands in the following table to set a Fabric name for the
Switches.
Perform the following configuration in System View.
Operation Command
Save the unit ID of each unit in the fabric
fabric save-unit-id
Restore the unit ID of each unit in the fabric
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