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Core switch 4506 command help with stp

13jobsp90
Level 1
Level 1

i had a core switch model 4506 to check stp command. It says the below output

"sh running-config | section spanning
spanning-tree mode pvst
spanning-tree extend system-id
spanning-tree vlan 1-10,21-26,33,35,37,39,41,43,45,47,49,51,53 priority 28672
spanning-tree vlan 55,57,59,80,99-101,150 priority 28672
spanning-tree vlan 11-20,27-32,34,36,38,40,42,44,46,48,50,52,54 priority 24576
spanning-tree vlan 56,58,60,70,85 priority 24576

What is the meaning of above commands?

2 Replies 2

Can I see 

Show spanning summary 

MHM

Core2#show spanning-tree summary
Switch is in pvst mode
Root bridge for: none
Extended system ID is enabled
Portfast Default is disabled
Portfast Edge BPDU Guard Default is disabled
Portfast Edge BPDU Filter Default is disabled
Loopguard Default is disabled
PVST Simulation Default is enabled but inactive in pvst mode
Bridge Assurance is enabled but inactive in pvst mode
EtherChannel misconfig guard is enabled
UplinkFast is disabled
BackboneFast is disabled
Configured Pathcost method used is short

Name Blocking Listening Learning Forwarding STP Active
---------------------- -------- --------- -------- ---------- ----------
VLAN0001 0 0 0 15 15
VLAN0002 0 0 0 15 15
VLAN0003 0 0 0 16 16
VLAN0004 0 0 0 15 15
VLAN0005 0 0 0 15 15
VLAN0006 0 0 0 15 15
VLAN0008 0 0 0 15 15
VLAN0009 0 0 0 15 15
VLAN0010 0 0 0 15 15
VLAN0011 0 0 0 15 15
VLAN0012 0 0 0 15 15
VLAN0013 0 0 0 15 15
VLAN0014 0 0 0 15 15
VLAN0015 0 0 0 15 15
VLAN0016 0 0 0 15 15
VLAN0017 0 0 0 15 15
VLAN0018 0 0 0 15 15
VLAN0019 0 0 0 15 15
VLAN0020 0 0 0 15 15
VLAN0021 0 0 0 15 15

Name Blocking Listening Learning Forwarding STP Active
---------------------- -------- --------- -------- ---------- ----------
VLAN0022 0 0 0 15 15
VLAN0023 0 0 0 15 15
VLAN0024 0 0 0 15 15
VLAN0025 0 0 0 15 15
VLAN0026 0 0 0 15 15
VLAN0027 0 0 0 15 15
VLAN0028 0 0 0 15 15
VLAN0029 0 0 0 15 15
VLAN0030 0 0 0 15 15
VLAN0031 0 0 0 15 15
VLAN0032 0 0 0 15 15
VLAN0033 0 0 0 15 15
VLAN0034 0 0 0 15 15
VLAN0035 0 0 0 15 15
VLAN0036 0 0 0 15 15
VLAN0037 0 0 0 15 15
VLAN0038 0 0 0 15 15
VLAN0039 0 0 0 15 15
VLAN0040 0 0 0 15 15
VLAN0041 0 0 0 15 15
VLAN0042 0 0 0 15 15
VLAN0043 0 0 0 15 15
VLAN0044 0 0 0 15 15
VLAN0045 0 0 0 15 15
VLAN0046 0 0 0 15 15
VLAN0047 0 0 0 15 15
VLAN0048 0 0 0 15 15
VLAN0049 0 0 0 15 15
VLAN0050 0 0 0 15 15
VLAN0051 0 0 0 15 15
VLAN0052 0 0 0 15 15
VLAN0053 0 0 0 15 15
VLAN0054 0 0 0 15 15
VLAN0055 0 0 0 15 15
VLAN0056 0 0 0 15 15
VLAN0057 0 0 0 15 15

Name Blocking Listening Learning Forwarding STP Active
---------------------- -------- --------- -------- ---------- ----------
VLAN0058 0 0 0 15 15
VLAN0059 0 0 0 15 15
VLAN0060 0 0 0 15 15
VLAN0061 0 0 0 15 15
VLAN0062 0 0 0 15 15
VLAN0063 1 0 0 14 15
VLAN0070 0 0 0 15 15
VLAN0071 0 0 0 15 15
VLAN0072 0 0 0 15 15
VLAN0075 0 0 0 15 15
VLAN0080 0 0 0 15 15
VLAN0081 0 0 0 15 15
VLAN0082 0 0 0 15 15
VLAN0085 0 0 0 15 15
VLAN0086 0 0 0 15 15
VLAN0099 0 0 0 15 15
VLAN0100 0 0 0 15 15
VLAN0101 0 0 0 15 15
VLAN0104 0 0 0 15 15
VLAN0105 0 0 0 16 16
VLAN0150 0 0 0 15 15
VLAN0200 0 0 0 15 15
VLAN0201 0 0 0 15 15
VLAN0300 0 0 0 16 16
VLAN0301 0 0 0 16 16
---------------------- -------- --------- -------- ---------- ----------
81 vlans 1 0 0 1218 1219
Core2#