show 802-1w

Displays the Rapid Spanning Tree Protocol (RSTP) information of the specified port-based VLAN.
Syntax
show 802-1w [ detail ] [ number | vlan vlan-id ]
Parameters
detail
Displays detailed output.
number
Specifies the number of spanning tree entries to skip before the display begins.
vlan vlan-id
Displays the RSTP details for a specific VLAN.
Modes

User EXEC mode

Privileged EXEC mode

Global configuration mode

Cluster configuration mode

VLAN configuration mode

Examples

The following example shows the output of the show 802-1w command. 

device# show 802-1w
--- VLAN 4 [ STP Instance owned by VLAN 4 ] ----------------------------
Bridge IEEE 802.1W Parameters:
Bridge             Bridge     Bridge    Bridge     Force       tx
Identifier         MaxAge     Hello     FwdDly     Version     Hold
hex                sec        sec       sec       												 cnt
8000002022227700   20         2         15         Default    3
RootBridge         RootPath      DesignatedBri-    Root    Max    Fwd   Hel
Identifier         Cost          dge Identifier    Port    Age    Dly   lo
hex              														  hex              								 sec    sec   sec
8000002022227700   0             8000002022227700  Root    20     15    2
Port IEEE 802.1W Parameters:
<--- Config Params --><-------------- Current state ----------------->
Port    Pri    PortPath    P2P     Edge      Role       State       Designa-     Designated
Num            Cost        Mac     Port                             ted cost     bridge
1/1/1   128    20000       F       F         DESIGNATED FORWARDING  0            8000002022227700
--- VLAN 5 [ STP Instance owned by VLAN 5 ] ----------------------------
Bridge IEEE 802.1W Parameters:
Bridge           Bridge     Bridge       Bridge     Force       tx
Identifier       MaxAge     Hello        FwdDly     Version     Hold
hex              sec        sec          sec                    cnt 
8000002022227700 20         2            15         Default     3
RootBridge       RootPath       DesignatedBri-      Root    Max   Fwd   Hel
Identifier       Cost           dge Identifier      Port    Age   Dly   lo
hex                             hex                         sec   sec   sec
8000002022227700 0             8000002022227700     Root    20    15    2
Port IEEE 802.1W Parameters:
<--- Config Params --><-------------- Current state ----------------->
Port     Pri   PortPath    P2P    Edge       Role        State       Designa-      Designated
Num            Cost        Mac    Port                               ted cost      bridge
1/1/1    128   20000       F      F          DESIGNATED  FORWARDING  0             8000002022227700
--- VLAN 6 [ STP Instance owned by VLAN 6 ] ----------------------------
Bridge IEEE 802.1W Parameters:
Bridge           Bridge     Bridge        Bridge     Force        tx
Identifier       MaxAge     Hello         FwdDly     Version      Hold
hex              sec        sec           sec                     cnt
8000002022227700 20         2             15         Default      3
RootBridge       RootPath     DesignatedBri-     Root       Max   Fwd   Hel
Identifier       Cost         dge Identifier     Port       Age   Dly   lo
hex                           hex                           sec   sec   sec
8000002022227700 0            8000002022227700   Root       20    15    2
Port IEEE 802.1W Parameters:
<--- Config Params --><-------------- Current state ----------------->
Port   Pri     PortPath    P2P     Edge       Role        State       Designa-       Designated
Num            Cost        Mac     Port                               ted cost       bridge
1/1/1  128     20000       F       F          DESIGNATED  FORWARDING  0              8000002022227700
Parent topic: Show Commands