Connecting S-series with X450-G2, RSTP Error: "Multiple BPDU sources received"

[M_Nees]

i connect a s-series (Core - V8.31.01) with a X450-G2 (Edge, V15.6.1) with configured RSTP.

Immediatelly with the first connect of this 2 switches, the s-series complaining with:
S8(su)-><165>Sep 18 18:49:04 172.16.255.248 LinkTrap[1]Interface tg.1.1 is Down.
<165>Sep 18 18:49:04 172.16.255.248 Spantree[1]Receive Event: Multiple BPDU sources received on Port = tg.1.2, BPDU Bridge MAC = 00:04:96:99:a1:e5 Port = 52 Prior Bridge MAC = 00:1f:45:5c:a9:00 Port = 258

S8(su)-><165>Sep 18 18:49:23 172.16.255.248 LinkTrap[1]Interface tg.1.1 is Up.
<165>Sep 18 18:49:23 172.16.255.248 Spantree[1]Receive Event: Multiple BPDU sources received on Port = tg.1.1, BPDU Bridge MAC = 00:04:96:99:a1:e5 Port = 49 Prior Bridge MAC = 00:1f:45:5c:a9:00 Port = 257

What does this error message will tell me ??

Regards

[M_Nees]

Hi Gareth,

thanks for writing a KB article. This is a good thing for any other user who have the same problem.

But especially regarding this i miss much more technical details which describe this issue better (including a little bit of the technical background) and maybe the later workaround. But many of the new GTAC KB article are too short and to shallow (without details).

If you can hand in later this the others and i are grateful.

Regards

[Gareth_Mitchell]

Matthias

The knowledge article is here: https://gtacknowledge.extremenetworks.com/articles/Solution/S-Series-reports-multiple-BPDU-sources-r...

-Gareth

[Mike_D]

Hello Matthias,

The thread details will be added to our knowledge base in short order.

Migrated/mixed configs are becoming more common and this problem is sure to be experienced by others. As the first to report the problem from the field, your experience will benefit other community members in the same predicament. Networking karma ++

Thank you for closing the loop on this item - and kudos to the GTAC crew for their diligent work and a quick turnaround.

The news as it happen folks. Right here on the hub!

[M_Nees]

GTAC tells me that this issue is fixed with next XOS V16.1.2.