Are BPDUs Only on Cisco Switches?

[davidhuynh5]

Or are bpdu open standard that can be on other vendor switches such as 3com, Linksys, Netgear, etc. Thanks.

[sdheer · Accepted solution]

BPDUs are open standard that can be on other 3rd party switches as well

[Leo Laohoo · Accepted solution]

I agree.

All switches talk BPDU. 

[Joseph W. Doherty · Accepted solution]

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Posting

The standards are open, but you do need to be aware that not all equipment supports the same versions of STP that uses them.

Also, when Leo notes "All switches talk BPDU.", also keep in mind non-managed switches don't run STP.  Such switches will pass the BPDUs along, but you can loop your L2 topology on such a single switch or a combination of such joined switches.

[milan.kulik]

Hi Joseph,

ad "non-managed switches don't run STP")

So far I thought as Leo all switches were running STP (802.1d at least)?

Maybe I was not buying the right "supercheap" ones, but have you really met a switch not running any STP?

Thanks,

Milan

[Leo Laohoo]

Thanks for the ratings David.