Vyatta Network OS Documentation

Learn how to install, configure and operate the Vyatta NOS, which helps drive our virtual networking & physical platforms portfolio.

show bridge <brx> spanning-tree <brief>

Displays spanning tree information for a bridge group.

show bridge brx spanning-tree [ brief ]
brx
The ID of the bridge group.
brief
Displays a summary of spanning tree information for a bridge group.

Operational mode

Use this command to display spanning tree information for a bridge group. Use the brief parameter to display a summary of the spanning tree information. You see a detailed information when you do not use the brief parameter.

The following example shows how to display a summary of spanning tree information for the br0 bridge group.


vyatta@R1:~$ show bridge br0 spanning-tree brief
	
Bridge                   br0
Designated Root          8.000.52:54:00:00:01:01
Designated Root Cost     2000
Designated Root Port     dp0p1s1 (2)
Bridge ID                8.000.52:54:00:00:02:01

Port                 State         Role   Cost       Prio  Type   Ver  
dp0p1s1 (2)          forwarding    Root   2000       8     p2p    rstp 
dp0p1s2 (3)          discarding    Altn   2000       8     p2p    rstp 
dp0p1s3 (4)          discarding    Back   2000       8     p2p    rstp 
dp0s8 (1)            forwarding    Desg   2000       8     p2p    rstp 

The following example shows how to display a detailed output of spanning tree information for the br0 bridge group.


vyatta@R1:~$ show bridge br0 spanning-tree
	
br0
  link enabled    yes
  stp enabled     yes
  version         rstp
  bridge id       8.000.52:54:00:00:02:01
  designated root 8.000.52:54:00:00:01:01
  root port       dp0p1s1 (2)
  path cost     2000       internal path cost   0
  max age       20         bridge max age       20
  forward delay 15         bridge forward delay 15
  tx hold count 6          max hops             20
  hello time    2          ageing time          300
  time since topology change 12931
  topology change count      4
  topology change            no
  topology change port       dp0p1s3 (1)
  last topology change port  dp0p1s3 (1)
 
br0:dp0p1s1 (2)
  link enabled       yes                     role                 Root
  port id            8.002                   state                forwarding
  port cost          2000                    admin cost           auto
  designated root    8.000.52:54:00:00:01:01 dsgn cost            0
  designated bridge  8.000.52:54:00:00:01:01 designated port      8.003
  admin edge port    no                      auto edge port       no
  oper edge port     no                      topology change ack  no
  point-to-point     no                      admin point-to-point no
  root block         no                      restricted TCN       no
  port hello time    2                       disputed             no
  bpdu guard port    no                      bpdu guard error     no
  network port       no                      BA inconsistent      no
  Num sent BPDU      9                       Num sent TCN         5
  Num rcvd BPDU      6487                    Num rcvd TCN         6
  Num Transition FWD 1                       Num Transition BLK   0
  Rcvd BPDU          none                    Send RSTP            yes
 
br0:dp0p1s2 (3)
  link enabled       yes                     role                 Alternate
  port id            8.003                   state                discarding
  port cost          2000                    admin cost           auto
  designated root    8.000.52:54:00:00:01:01 dsgn cost            0
  designated bridge  8.000.52:54:00:00:01:01 designated port      8.004
  admin edge port    no                      auto edge port       no
  oper edge port     no                      topology change ack  no
  point-to-point     no                      admin point-to-point no
  root block         no                      restricted TCN       no
  port hello time    2                       disputed             no
  bpdu guard port    no                      bpdu guard error     no
  network port       no                      BA inconsistent      no
  Num sent BPDU      5                       Num send TCN         0
  Num rcvd BPDU      6487                    Num rcvd TCN         8
  Num Transition FWD 0                       Num Transition BLK   0
  Rcvd BPDU          none                    Send RSTP            yes