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тАО12-04-2017 08:20 AM
тАО12-04-2017 08:20 AM
rstp Problem on hpe 1920g and some comnet industrial switches
Hello,
I am going a bit crazy over a network, i have 2 hp 1920g poe switches, between them about 9 comnet industrial switches on two lines forming a loop, so i need rstp to work to open loop and keep redundancy active, if i assign on an hp the role ov root bridge the comnet seems to see it as root, but on hp ports i see a strange behaviour as here
----[Port25(GigabitEthernet1/0/25)][FORWARDING]---- Port Protocol :enabled Port Role :CIST Designated Port Port Priority :128 Port Cost(Legacy) :Config=auto / Active=20 Desg. Bridge/Port :32768.943f-c259-cc64 / 128.25 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 1s RemHop 20 BPDU Sent :137303 TCN: 0, Config: 0, RST: 137303, MST: 0 BPDU Received(Err) :0(274244) TCN: 0, Config: 0, RST: 0, MST: 0
it seems the bpdu received from comnet is wrong for hp
do you have any suggestions to fix this?
thank you very much
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тАО12-05-2017 03:20 PM
тАО12-05-2017 03:20 PM
Re: rstp Problem on hpe 1920g and some comnet industrial switches
Do the non-HP switches have a variety of STP modes to choose from?
Have you tried changing the HP switches to use MST?
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тАО08-16-2018 08:26 AM
тАО08-16-2018 08:26 AM
Re: rstp Problem on hpe 1920g and some comnet industrial switches
i will try to switch to mstp by the way commnet industrial has only rstp protocol or some proprietary ring protocols