Allied Telesis SwitchBlade x3100 Series User Manual

Introduction Example (R)STP Configuration - Standard VLAN
Software Reference for SwitchBlade x3100 Series Switches (Layer Two Switching)
4-74
FIGURE 4-5 RSTP Network - Changing Root Port and Changing a Designated Bridge to Root
The following procedure shows the commands used to configure RSTP parameters in order to change the
SBx3112’s root port as well as to change it from being a designated bridge to being the root bridge in the net-
work.
TABLE 4-12 Configuration Procedure for RSTP
Step Command Description/Notes
Enable STP
1
enable stp A single STP instance (MAIN) is created. The
default mode is RSTP.
View the current RSTP configuration
The root bridge has a priority of 32768 and a MAC address of 00:0C:25:00:06:AD. The SBx3112 has a priority of 32768
and a MAC address of EC:CD:6D:03:10:CB. The SBx3112 is forwarding on its root port (0.22) and designated ports
(0.20, 0.21, 1.2, 1.3, 11.0), while discarding on its alternate port (0.0).
SBx3112
SBx3100
0.22
0.0
11.0
1.2
1.3
0.20 0.21
ROOT
BRIDGE
32768 / 00:0C:25:00:06:AD
32768 / EC:CD:6D:03:10:CB
Alternate
Forwarding
Forwarding
Designated
Forwarding
Discarding
Designated
Designated
Forwarding Designated
Forwarding Designated
Forwarding
Root
SBx3112
SBx3100
0.22
0.0
11.0
1.2
1.3
0.20 0.21
ROOT
BRIDGE
32768 / 00:0C:25:00:06:AD
32768 / EC:CD:6D:03:10:CB
Alternate
Forwarding
Forwarding
Designated
Forwarding
Discarding
Designated
Designated
Forwarding Designated
Forwarding Designated
Forwarding
Root
SBx3112
SBx3100
0.22
0.0
11.0
1.2
1.3
0.20 0.21
DESIGNATED
BRIDGE
32768 / 00:0C:25:00:06:AD
32768 / EC:CD:6D:03:10:CB
Forwarding
Forwarding
Designated
Forwarding
Designated
Designated
Forwarding Designated
Forwarding Designated
Forwarding
Designated
Forwarding
Designated
ROOT
BRIDGE
Starting RSTP
Configuration
Changing
the Root Port
Changing
the Root Bridge

Allied Telesis SwitchBlade x3100 Series Specifications

General

Brand	Allied Telesis
Model	SwitchBlade x3100 Series
Category	Switch
Language	English