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Is it possible to run RSTP on switch1 and PVST on switch2 if both switches sre connected back to back?

Answer

5 REPLIES 5
Rolf Fischer
Engager

The topology in your scenario doesn't have redundancy which could result in a bridging loop, so STP is "out of work".

When you say "RSTP on switch1", do you mean a non-Cisco Switch running standard (single instance) RSTP ?

I posted some information regarding the handling of Cisco proprietary per-VLAN BPDUs of 3rd party swichtes here:

https://supportforums.cisco.com/message/3821096#3821096

Feel free to ask for more details.

Best regards

Rolf

Mohammad Ali
Frequent Contributor

Yes but why would you want to do that ?

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Posting

Why?

Well, you might have some antique switches that don't support RSTP.  (I got some in "my" network.)

Or, it might just be temporary while your moving from STP to RSTP.

Alessio Andreoli
Contributor

Yes you can.

Alessio

Sent from Cisco Technical Support iPad App

Angus Bishop
Beginner

Yes both the protocol are compatible . Reffer the software release notes .

Configuration depends on your scenario .

Even mstp is backward compatible with previous stp versions


Angus

Sent from Cisco Technical Support Android App

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