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Alteon OS Command Reference
Chapter 6: The Configuration Menu
23140M2420, April 2007
/cfg/l2/stg <STP group number>
Spanning Tree Configuration
Alteon OS supports the IEEE 802.1d Spanning Tree Protocol (STP). STP is used to prevent
loops in the network topology. Up to 128 Spanning Tree Groups can be configured on the
switch (STG 128 is reserved for management).
NOTE – When VRRP is used for active/active redundancy, STG must be enabled.
[Spanning Tree Group 1 Menu]
brg - Bridge parameter menu
port - Port parameter menu
add - Add VLAN(s) to Spanning Tree Group
remove - Remove VLAN(s) from Spanning Tree Group
clear - Remove all VLANs from Spanning Tree Group
on - Globally turn Spanning Tree ON
off - Globally turn Spanning Tree OFF
default - Default Spanning Tree and Member parameters
cur - Display current bridge parameters
Table 6-42 Spanning Tree Configuration Menu (/cfg/l2/stg)
Command Syntax and Usage
brg
Displays the Bridge Spanning Tree Menu. To view menu options, see page 233.
port <port alias or number>
Displays the Spanning Tree Port Menu. To view menu options, see page 235.
add <VLAN number (1-4094)>
Associates a VLAN with a spanning tree and requires an external VLAN ID as a parameter.
remove <VLAN number (1-4094)>
Breaks the association between a VLAN and a spanning tree and requires an external VLAN ID as
a parameter.
clear
Removes all VLANs from a spanning tree.
on
Globally enables Spanning Tree Protocol.
STG is turned on by default.
off
Globally disables Spanning Tree Protocol.