Example: Configuring Bridge Assurance - Cisco Catalyst 2960 series Configuration Manual
Consolidated platform configuration guide, ios release 15.2(4)e
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Also See for Catalyst 2960 series:
- Software configuration manual (980 pages) ,
- Command reference manual (800 pages) ,
- Configuration manual (120 pages)
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spanning-tree portfast network
end
This example shows the output for show spanning-tree vlan
Switch# show spanning-tree vlan
Sep 17 09:51:36.370 PDT: %SYS-5-CONFIG_I: Configured from console by console2
VLAN0002
Spanning tree enabled protocol rstp
Root ID
Bridge ID
Interface
------------------- ---- --- --------- -------- --------------------------------
Gi1/0/1
Po4
Gi4/0/1
Gi4/0/47
Switch#
Example: Configuring Bridge Assurance
This output shows port GigabitEthernet 1/0/1 has been configured as a network port and it is currently in the
Bridge Assurance inconsistent state.
The output shows the port type as network and *BA_Inc, indicating that the port is in an inconsistent state.
Note
Switch# show spanning-tree
VLAN0010
Spanning tree enabled protocol rstp
Root ID Priority 32778
Address 0002.172c.f400
This bridge is the root
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32778 (priority 32768 sys-id-ext 10)
Address 0002.172c.f400
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 300
Interface Role Sts
---------------- ---- --- --------- -------- --------------------------------
1/0/1
Gi
The example shows the output for show spanning-tree summary.
Switch#sh spanning-tree summary
Switch is in rapid-pvst mode
Root bridge for: VLAN0001-VLAN0002, VLAN0128
EtherChannel misconfig guard
Extended system ID
Portfast Default
Portfast Edge BPDU Guard Default
Portfast Edge BPDU Filter Default
Loopguard Default
PVST Simulation Default
Bridge Assurance
UplinkFast
Priority
2
Address
7010.5c9c.5200
This bridge is the root
Hello Time
2 sec
Max Age 20 sec
Priority
2
(priority 0 sys-id-ext 2)
Address
7010.5c9c.5200
Hello Time
2 sec
Max Age 20 sec
Aging Time
0
sec
Role Sts Cost
Desg FWD 4
Desg FWD 3
Desg FWD 4
Desg FWD 4
Cost
Prio.
Desg BKN*4 128.270 Network, P2p *BA_Inc
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
Forward Delay 15 sec
Forward Delay 15 sec
Prio.Nbr Type
128.1
P2p Edge
128.480
P2p Network
128.169
P2p Edge
128.215
P2p Network
Nbr
Type
is enabled
is enabled
is network
is disabled
is disabled
is enabled
is enabled but inactive in rapid-pvst mode
is enabled
is disabled
Examples
321
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