Technical data

Switching and Routing
May 2012 © 2012 Brocade Communications Systems, Inc. 2 - 5
Displaying Spanning Tree Statistics
To display spanning tree statistics, enter the following command:
ServerIron#show span ?
DECIMAL Number of spanning tree entries to skip before display begins
detail Show more details of STP information on each port
pvst-mode PVST status
vlan Show spanning tree of a VLAN
| Output modifiers
<cr>
ServerIron#show span
VLAN 1 BPDU cam_index is 2061 and the DMA master Are(HEX) 4
STP instance owned by VLAN 1
Global STP (IEEE 802.1D) Parameters:
VLAN Root Root Root Prio Max He- Ho- Fwd Last Chg Bridge
ID ID Cost Port rity Age llo ld dly Chang cnt Address
Hex sec sec sec sec sec
1 8000000cdb2bad20 0 Root 8000 20 2 1 15 1456133 0 000cdb2bad20
Port STP Parameters:
Port Prio Path State Fwd Design Designated Designated
Num rity Cost Trans Cost Root Bridge
Hex
2/1 80 0 DISABLED 0 0 0000000000000000 0000000000000000
2/2 80 0 DISABLED 0 0 0000000000000000 0000000000000000
2/3 80 0 DISABLED 0 0 0000000000000000 0000000000000000
2/4 80 0 DISABLED 0 0 0000000000000000 0000000000000000
2/5 80 0 DISABLED 0 0 0000000000000000 0000000000000000
2/6 80 0 DISABLED 0 0 0000000000000000 0000000000000000
2/7 80 0 DISABLED 0 0 0000000000000000 0000000000000000
2/8 80 0 DISABLED 0 0 0000000000000000 0000000000000000
2/9 80 0 DISABLED 0 0 0000000000000000 0000000000000000
2/10 80 0 DISABLED 0 0 0000000000000000 0000000000000000
2/11 80 0 DISABLED 0 0 0000000000000000 0000000000000000
2/12 80 0 DISABLED 0 0 0000000000000000 0000000000000000
2/13 80 0 DISABLED 0 0 0000000000000000 0000000000000000
2/14 80 0 DISABLED 0 0 0000000000000000 0000000000000000
2/15 80 0 DISABLED 0 0 0000000000000000 0000000000000000
2/16 80 0 DISABLED 0 0 0000000000000000 0000000000000000
2/17 80 0 DISABLED 0 0 0000000000000000 0000000000000000
2/18 80 0 DISABLED 0 0 0000000000000000 0000000000000000
2/19 80 0 DISABLED 0 0 0000000000000000 0000000000000000
2/20 80 0 DISABLED 0 0 0000000000000000 0000000000000000
2/21 80 0 DISABLED 0 0 0000000000000000 0000000000000000
2/22 80 0 DISABLED 0 0 0000000000000000 0000000000000000
2/23 80 0 DISABLED 0 0 0000000000000000 0000000000000000
2/24 80 0 DISABLED 0 0 0000000000000000 0000000000000000