HP MSR2000/3000/4000 Router Series Layer 2 - LAN Switching Configuration Guide

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0 Ethernet2/3 ROOT FORWARDING NONE
1 Ethernet2/1 DESI FORWARDING NONE
1 Ethernet2/3 DESI FORWARDING NONE
3 Ethernet2/2 DESI FORWARDING NONE
3 Ethernet2/3 ROOT FORWARDING NONE
# Display brief spanning tree information on Device B.
[DeviceB] display stp brief
MSTID Port Role STP State Protection
0 Ethernet2/1 DESI FORWARDING NONE
0 Ethernet2/2 DESI FORWARDING NONE
0 Ethernet2/3 DESI FORWARDING NONE
1 Ethernet2/2 DESI FORWARDING NONE
1 Ethernet2/3 ROOT FORWARDING NONE
3 Ethernet2/1 DESI FORWARDING NONE
3 Ethernet2/3 DESI FORWARDING NONE
# Display brief spanning tree information on Device C.
[DeviceC] display stp brief
MSTID Port Role STP State Protection
0 Ethernet2/1 DESI FORWARDING NONE
0 Ethernet2/2 ROOT FORWARDING NONE
0 Ethernet2/3 DESI FORWARDING NONE
1 Ethernet2/1 ROOT FORWARDING NONE
1 Ethernet2/2 ALTE DISCARDING NONE
4 Ethernet2/3 DESI FORWARDING NONE
# Display brief spanning tree information on Device D.
[DeviceD] display stp brief
MSTID Port Role STP State Protection
0 Ethernet2/1 ROOT FORWARDING NONE
0 Ethernet2/2 ALTE DISCARDING NONE
0 Ethernet2/3 ALTE DISCARDING NONE
3 Ethernet2/1 ROOT FORWARDING NONE
3 Ethernet2/2 ALTE DISCARDING NONE
4 Ethernet2/3 ROOT FORWARDING NONE
Based on the output, you can draw each MSTI mapped to each VLAN, as shown in Figure 13.