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03-05-2018 09:56 AM - edited 03-05-2018 11:08 AM
03-05-2018 09:56 AM - edited 03-05-2018 11:08 AM
STP Path Cost Standards - HP 1810-8G vs HP 1920-24G
I have a home network that uses the HP 1920-24G as the primary switch and an HP 1810-8G as downstream switches in media room.
There are four Sonos compnents hardwired to the 1920 and one Sonos Connect that I generally attach to the switch where the 1810 is located. The 1810 is replacing an unmanaged switch.
In order to install the Sonos Connect to the 1810, I have to enable STP. The STP (RSTP) was enabled by default on the 1920.
My question is in regards to the Path Cost standards on the two switches. The 1920 has a selection available for the Path Cost Standard and defaulted to using a "Legacy" standard (other choices are 802.1D-1998 and 802.1T) - I am only familar with the 1D and 1T(1W).
The 1810 does not have a Path Cost Standard selection available, only a Protocol Version (1D or 1W). Regardless of the Protocol Version selected, the switch uses the 1W(1T) cost standard, applying 20,000 to 1GB ports and 200K to 100Mb ports.
Both switches are currently configured to RSTP, consistent with what I have read as best practice.
What is the best way to configure the two switches' Port Cost Standards to have a consistent STP?
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03-06-2018 10:20 AM
03-06-2018 10:20 AM
Re: STP Path Cost Standards - HP 1810-8G vs HP 1920-24G
Here's the current configuration on the switches:
1810-8G
1920-24G
===============================================
===============display stp===============
===============================================
-------[CIST Global Info][Mode RSTP]-------
CIST Bridge :32768.40b9-3c8f-929f
Bridge Times :Hello 2s MaxAge 20s FwDly 15s MaxHop 20
CIST Root/ERPC :32768.40b9-3c8f-929f / 0
CIST RegRoot/IRPC :32768.40b9-3c8f-929f / 0
CIST RootPortId :0.0
BPDU-Protection :disabled
Bridge Config-
Digest-Snooping :disabled
TC or TCN received :251
Time since last TC :0 days 23h:19m:45s
----[Port29(Bridge-Aggregation1)][FORWARDING]----
Port Protocol :enabled
Port Role :CIST Designated Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=14
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.29
Port Edged :Config=disabled / Active=disabled
Point-to-point :Config=auto / Active=true
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Rapid transition :false
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :205549
TCN: 0, Config: 0, RST: 205549, MST: 0
BPDU Received :0
TCN: 0, Config: 0, RST: 0, MST: 0
----[Port1(GigabitEthernet1/0/1)][FORWARDING]----
Port Protocol :enabled
Port Role :CIST Designated Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=20
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.1
Port Edged :Config=enabled / Active=enabled
Point-to-point :Config=auto / Active=true
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Rapid transition :true
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :544123
TCN: 0, Config: 0, RST: 544123, MST: 0
BPDU Received :0
TCN: 0, Config: 0, RST: 0, MST: 0
----[Port2(GigabitEthernet1/0/2)][FORWARDING]----
Port Protocol :enabled
Port Role :CIST Designated Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=200
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.2
Port Edged :Config=enabled / Active=enabled
Point-to-point :Config=auto / Active=true
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Rapid transition :true
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :427827
TCN: 0, Config: 0, RST: 427827, MST: 0
BPDU Received :0
TCN: 0, Config: 0, RST: 0, MST: 0
----[Port3(GigabitEthernet1/0/3)][FORWARDING]----
Port Protocol :enabled
Port Role :CIST Designated Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=200
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.3
Port Edged :Config=enabled / Active=disabled
Point-to-point :Config=auto / Active=true
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Rapid transition :true
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :121149
TCN: 0, Config: 121140, RST: 9, MST: 0
BPDU Received :17
TCN: 16, Config: 1, RST: 0, MST: 0
----[Port4(GigabitEthernet1/0/4)][FORWARDING]----
Port Protocol :enabled
Port Role :CIST Designated Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=200
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.4
Port Edged :Config=enabled / Active=disabled
Point-to-point :Config=auto / Active=true
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Rapid transition :true
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :121151
TCN: 0, Config: 121148, RST: 3, MST: 0
BPDU Received :38
TCN: 37, Config: 1, RST: 0, MST: 0
----[Port5(GigabitEthernet1/0/5)][FORWARDING]----
Port Protocol :enabled
Port Role :CIST Designated Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=200
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.5
Port Edged :Config=enabled / Active=disabled
Point-to-point :Config=auto / Active=true
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Rapid transition :true
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :121154
TCN: 0, Config: 121151, RST: 3, MST: 0
BPDU Received :30
TCN: 29, Config: 1, RST: 0, MST: 0
----[Port6(GigabitEthernet1/0/6)][FORWARDING]----
Port Protocol :enabled
Port Role :CIST Designated Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=200
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.6
Port Edged :Config=enabled / Active=disabled
Point-to-point :Config=auto / Active=true
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Rapid transition :true
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :121152
TCN: 0, Config: 121149, RST: 3, MST: 0
BPDU Received :27
TCN: 26, Config: 1, RST: 0, MST: 0
----[Port7(GigabitEthernet1/0/7)][FORWARDING]----
Port Protocol :enabled
Port Role :CIST Designated Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=20
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.7
Port Edged :Config=enabled / Active=enabled
Point-to-point :Config=auto / Active=true
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Rapid transition :true
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :125134
TCN: 0, Config: 0, RST: 125134, MST: 0
BPDU Received :0
TCN: 0, Config: 0, RST: 0, MST: 0
----[Port8(GigabitEthernet1/0/8)][FORWARDING]----
Port Protocol :enabled
Port Role :CIST Designated Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=20
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.8
Port Edged :Config=enabled / Active=enabled
Point-to-point :Config=auto / Active=true
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Rapid transition :true
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :205469
TCN: 0, Config: 0, RST: 205469, MST: 0
BPDU Received :0
TCN: 0, Config: 0, RST: 0, MST: 0
----[Port9(GigabitEthernet1/0/9)][DOWN]----
Port Protocol :enabled
Port Role :CIST Disabled Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=200000
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.9
Port Edged :Config=enabled / Active=enabled
Point-to-point :Config=auto / Active=false
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :0
TCN: 0, Config: 0, RST: 0, MST: 0
BPDU Received :0
TCN: 0, Config: 0, RST: 0, MST: 0
----[Port10(GigabitEthernet1/0/10)][DOWN]----
Port Protocol :enabled
Port Role :CIST Disabled Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=200000
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.10
Port Edged :Config=enabled / Active=enabled
Point-to-point :Config=auto / Active=false
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :0
TCN: 0, Config: 0, RST: 0, MST: 0
BPDU Received :0
TCN: 0, Config: 0, RST: 0, MST: 0
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03-06-2018 10:21 AM
03-06-2018 10:21 AM
Re: STP Path Cost Standards - HP 1810-8G vs HP 1920-24G
1920 - continued
----[Port11(GigabitEthernet1/0/11)][DOWN]----
Port Protocol :enabled
Port Role :CIST Disabled Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=200000
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.11
Port Edged :Config=enabled / Active=enabled
Point-to-point :Config=auto / Active=false
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :0
TCN: 0, Config: 0, RST: 0, MST: 0
BPDU Received :0
TCN: 0, Config: 0, RST: 0, MST: 0
----[Port12(GigabitEthernet1/0/12)][DOWN]----
Port Protocol :enabled
Port Role :CIST Disabled Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=200000
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.12
Port Edged :Config=enabled / Active=enabled
Point-to-point :Config=auto / Active=false
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Rapid transition :true
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :117208
TCN: 0, Config: 0, RST: 117208, MST: 0
BPDU Received :0
TCN: 0, Config: 0, RST: 0, MST: 0
----[Port13(GigabitEthernet1/0/13)][FORWARDING]----
Port Protocol :enabled
Port Role :CIST Designated Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=200
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.13
Port Edged :Config=enabled / Active=enabled
Point-to-point :Config=auto / Active=true
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Rapid transition :true
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :545528
TCN: 0, Config: 0, RST: 545528, MST: 0
BPDU Received :0
TCN: 0, Config: 0, RST: 0, MST: 0
----[Port14(GigabitEthernet1/0/14)][DOWN]----
Port Protocol :enabled
Port Role :CIST Disabled Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=200000
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.14
Port Edged :Config=enabled / Active=enabled
Point-to-point :Config=auto / Active=false
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :0
TCN: 0, Config: 0, RST: 0, MST: 0
BPDU Received :0
TCN: 0, Config: 0, RST: 0, MST: 0
----[Port15(GigabitEthernet1/0/15)][DOWN]----
Port Protocol :enabled
Port Role :CIST Disabled Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=200000
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.15
Port Edged :Config=enabled / Active=enabled
Point-to-point :Config=auto / Active=false
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :0
TCN: 0, Config: 0, RST: 0, MST: 0
BPDU Received :0
TCN: 0, Config: 0, RST: 0, MST: 0
----[Port16(GigabitEthernet1/0/16)][FORWARDING]----
Port Protocol :enabled
Port Role :CIST Designated Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=20
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.16
Port Edged :Config=enabled / Active=enabled
Point-to-point :Config=auto / Active=true
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Rapid transition :true
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :544128
TCN: 0, Config: 0, RST: 544128, MST: 0
BPDU Received :0
TCN: 0, Config: 0, RST: 0, MST: 0
----[Port17(GigabitEthernet1/0/17)][FORWARDING]----
Port Protocol :enabled
Port Role :CIST Designated Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=2000
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.17
Port Edged :Config=enabled / Active=enabled
Point-to-point :Config=auto / Active=false
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Rapid transition :true
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :124892
TCN: 0, Config: 0, RST: 124892, MST: 0
BPDU Received :0
TCN: 0, Config: 0, RST: 0, MST: 0
----[Port18(GigabitEthernet1/0/18)][FORWARDING]----
Port Protocol :enabled
Port Role :CIST Designated Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=200
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.18
Port Edged :Config=enabled / Active=enabled
Point-to-point :Config=auto / Active=true
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Rapid transition :true
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :545528
TCN: 0, Config: 0, RST: 545528, MST: 0
BPDU Received :0
TCN: 0, Config: 0, RST: 0, MST: 0
----[Port19(GigabitEthernet1/0/19)][DOWN]----
Port Protocol :enabled
Port Role :CIST Disabled Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=200000
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.19
Port Edged :Config=enabled / Active=enabled
Point-to-point :Config=auto / Active=false
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :0
TCN: 0, Config: 0, RST: 0, MST: 0
BPDU Received :0
TCN: 0, Config: 0, RST: 0, MST: 0
----[Port20(GigabitEthernet1/0/20)][FORWARDING]----
Port Protocol :enabled
Port Role :CIST Designated Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=20
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.20
Port Edged :Config=enabled / Active=enabled
Point-to-point :Config=auto / Active=true
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Rapid transition :true
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :545528
TCN: 0, Config: 0, RST: 545528, MST: 0
BPDU Received :0
TCN: 0, Config: 0, RST: 0, MST: 0
----[Port21(GigabitEthernet1/0/21)][FORWARDING]----
Port Protocol :enabled
Port Role :CIST Designated Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=200
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.21
Port Edged :Config=enabled / Active=enabled
Point-to-point :Config=auto / Active=true
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Rapid transition :true
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :282590
TCN: 0, Config: 0, RST: 282590, MST: 0
BPDU Received :0
TCN: 0, Config: 0, RST: 0, MST: 0
----[Port22(GigabitEthernet1/0/22)][FORWARDING]----
Port Protocol :enabled
Port Role :CIST Designated Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=20
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.22
Port Edged :Config=enabled / Active=disabled
Point-to-point :Config=auto / Active=true
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Rapid transition :true
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :122327
TCN: 0, Config: 39599, RST: 82728, MST: 0
BPDU Received(Err) :19(192)
TCN: 5, Config: 4, RST: 10, MST: 0
----[Port23(GigabitEthernet1/0/23)][DOWN]----
Port Protocol :enabled
Port Role :CIST Disabled Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=200000
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.23
Port Edged :Config=enabled / Active=enabled
Point-to-point :Config=auto / Active=false
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :0
TCN: 0, Config: 0, RST: 0, MST: 0
BPDU Received :0
TCN: 0, Config: 0, RST: 0, MST: 0
----[Port24(GigabitEthernet1/0/24)][DOWN]----
Port Protocol :enabled
Port Role :CIST Disabled Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=200000
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.24
Port Edged :Config=enabled / Active=enabled
Point-to-point :Config=auto / Active=false
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :0
TCN: 0, Config: 0, RST: 0, MST: 0
BPDU Received :0
TCN: 0, Config: 0, RST: 0, MST: 0
----[Port25(GigabitEthernet1/0/25)][DOWN]----
Port Protocol :enabled
Port Role :CIST Disabled Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=200000
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.25
Port Edged :Config=enabled / Active=enabled
Point-to-point :Config=auto / Active=false
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :0
TCN: 0, Config: 0, RST: 0, MST: 0
BPDU Received :0
TCN: 0, Config: 0, RST: 0, MST: 0
----[Port26(GigabitEthernet1/0/26)][DOWN]----
Port Protocol :enabled
Port Role :CIST Disabled Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=200000
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.26
Port Edged :Config=enabled / Active=enabled
Point-to-point :Config=auto / Active=false
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :0
TCN: 0, Config: 0, RST: 0, MST: 0
BPDU Received :0
TCN: 0, Config: 0, RST: 0, MST: 0
----[Port27(GigabitEthernet1/0/27)][DOWN]----
Port Protocol :enabled
Port Role :CIST Disabled Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=200000
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.27
Port Edged :Config=enabled / Active=enabled
Point-to-point :Config=auto / Active=false
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :0
TCN: 0, Config: 0, RST: 0, MST: 0
BPDU Received :0
TCN: 0, Config: 0, RST: 0, MST: 0
----[Port28(GigabitEthernet1/0/28)][DOWN]----
Port Protocol :enabled
Port Role :CIST Disabled Port
Port Priority :128
Port Cost(Legacy) :Config=auto / Active=200000
Desg. Bridge/Port :32768.40b9-3c8f-929f / 128.28
Port Edged :Config=enabled / Active=enabled
Point-to-point :Config=auto / Active=false
Transmit Limit :10 packets/hello-time
Protection Type :None
MST BPDU Format :Config=auto / Active=legacy
Port Config-
Digest-Snooping :disabled
Num of Vlans Mapped :1
PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20
BPDU Sent :0
TCN: 0, Config: 0, RST: 0, MST: 0
BPDU Received :0
TCN: 0, Config: 0, RST: 0, MST: 0
==================================================
===============display stp tc===============
==================================================
-------------- STP slot 1 TC or TCN count -------------
MSTID Port Receive Send
0 Bridge-Aggregation1 0 152
0 GigabitEthernet1/0/1 0 0
0 GigabitEthernet1/0/2 0 0
0 GigabitEthernet1/0/3 16 386
0 GigabitEthernet1/0/4 37 388
0 GigabitEthernet1/0/5 29 386
0 GigabitEthernet1/0/6 26 386
0 GigabitEthernet1/0/7 0 0
0 GigabitEthernet1/0/8 0 0
0 GigabitEthernet1/0/13 0 0
0 GigabitEthernet1/0/16 0 0
0 GigabitEthernet1/0/17 0 0
0 GigabitEthernet1/0/18 0 0
0 GigabitEthernet1/0/20 0 0
0 GigabitEthernet1/0/21 0 0
0 GigabitEthernet1/0/22 9 358
=======================================================