Verifying Pvst/Rpvst Settings - Cisco NCS 4200 Series Configuration Manual

Verifying PVST/RPVST Settings

DETAILED STEPS
Command or Action
Step 1
configure terminal
Step 2
no spanning-tree vlan vlan-id
Step 3 end
Step 4 show spanning-tree vlan vlan-id
To re-enable spanning-tree, use the spanning-tree vlan vlan-id global configuration command.

Verifying PVST/RPVST Settings

Use the below commands to verify PVST and RPVST settings:
router#show spanning-tree vlan 10
VLAN0010
Spanning tree enabled protocol ieee
Root ID
Bridge ID
Interface
------------------- ---- --- --------- -------- --------------------------------
Gi0/0/7
Gi0/0/11
router#show spanning-tree interface gigabitEthernet 0/0/7 detail
Port 14 (GigabitEthernet0/0/7) of VLAN0001 is alternate blocking
Port path cost 4, Port priority 128, Port Identifier 128.14.
Designated root has priority 32769, address a89d.21ed.bbbd
Designated bridge has priority 32769, address b0aa.7737.9dbd
Designated port id is 128.14, designated path cost 4
Timers: message age 4, forward delay 0, hold 0
Number of transitions to forwarding state: 1
Link type is point-to-point by default
BPDU: sent 91, received 8394
router#show spanning-tree summary
Switch is in pvst mode
Root bridge for: none
EtherChannel misconfig guard is enabled
Extended system ID
Portfast Default
PortFast BPDU Guard Default
Portfast BPDU Filter Default is disabled
Loopguard Default
UplinkFast
LAN Switching Configuration Guide, Cisco IOS XE Everest 16.6.1 (Cisco NCS 4200 Series)
50
Priority 32778
Address a89d.21ed.bbbd
Cost 6
Port 18 (GigabitEthernet0/0/11)
Hello Time 2 sec Max Age 20 sec
Priority 32778 (priority 32768 sys-id-ext 10)
Address b0aa.7754.553d
Hello Time 2 sec Max Age 20 sec
Aging Time 0 sec
Role Sts Cost
Altn BLK 4
Root FWD 4
is enabled
is disabled
is disabled
is disabled
is disabled
Purpose
Enter global configuration mode.
For vlan-id , the range is 1 to 4094.
Return to privileged EXEC mode.
Verify your entries.
Forward Delay 15 sec
Forward Delay 15 sec
Prio.Nbr Type
128.14 P2p
128.18 P2p
Configuring PVST+ and RPVST+