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User Guide
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Configuration
Configuration
Configuration
Configuration
60
% 1: CST Bridge Id 0000009027342b72
% 1: portfast bpdu-filter disabled
% 1: portfast bpdu-guard disabled
% 1: portfast errdisable timeout disabled
% 1: portfast errdisable timeout interval 1 sec
%
% 1: MSTI Root Path Cost 0 - MSTI Root Port 0 - MSTI Bridge Priority 32768
% 1: MSTI Root Id 8002009027342b72
% 1: MSTI Bridge Id 8002009027342b72
% eth2: Port 4 - Id 8004 - Role Designated - State Discarding
% eth2: Designated Internal Path Cost 0 - Designated Port Id 8004
% eth2: Configured Internal Path Cost 200000
% eth2: Configured CST External Path cost 200000
% eth2: CST Priority 128 - MSTI Priority 128
% eth2: Designated Root 8002009027342b72
% eth2: Designated Bridge 8002009027342b72
% eth2: Message Age 0 - Max Age 0
% eth2: Hello Time 2 - Forward Delay 15
% eth2: Forward Timer 11 - Msg Age Timer 0 - Hello Timer 1
%
% eth1: Port 3 - Id 8003 - Role Designated - State Discarding
% eth1: Designated Internal Path Cost 0 - Designated Port Id 8003
% eth1: Configured Internal Path Cost 200000
% eth1: Configured CST External Path cost 200000
% eth1: CST Priority 128 - MSTI Priority 128
% eth1: Designated Root 8002009027342b72
% eth1: Designated Bridge 8002009027342b72
% eth1: Message Age 0 - Max Age 0
% eth1: Hello Time 2 - Forward Delay 15
% eth1: Forward Timer 7 - Msg Age Timer 0 - Hello Timer 1
4.4.17 spanning-tree force-version
Use this command to specify the spanning-tree force (STP) version. A version identifier of
less than a value of 2 enforces the spanning tree protocol. Use the no parameter with this command
to set the default protocol version.
Command Syntax
(no) spanning-tree force-version VERSION
VERSION <0-3>
Version identifier. (0 - STP, 1- Not supported, 2 - RSTP, 3 - MSTP)
Command Mode
Interface mode
Examples
Set the value to enforce the spanning tree protocol:
AsGOS# configure terminal
AsGOS(config)# interface eth0
AsGOS(config-if)# spanning-tree force-version 1
Set the default protocol version:
AsGOS# configure terminal
AsGOS(config)# interface eth0
AsGOS(config-if)# no spanning-tree force-version
