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Community Member

[Cat2950 - 12.1(14)EA1 (EMI)] "spanning-tree optimize bpdu transmission"

I've seen this command in one of our customer's switches. I have checked the Cat2950 command reference but I didn't find the command. I also tried searching CCO and the Command Lookup Tool for the usage guidelines but I can't find such command. Is it a hidden command? I'd like to know if it is recommended to enable (or disable) this command or not.

Any help is greatly appreciated. Thanks.

2 REPLIES

Re: [Cat2950 - 12.1(14)EA1 (EMI)] "spanning-tree optimize bpdu t

Hi,

I've seen this question on different places several times and the Cisco answer always was:

"This command is to prevent 2950s CPU overload by trying to optimize STP BPDUs transmission." (whatever that means - my comment).

The command is always present in the 2950 config but in "no" form (no spanning-tree optimize bpdu transmission) and it is not possible to enable it.

There is no documentation about it.

So my recommendation: leave it as is.

Regards,

Milan

Community Member

Re: [Cat2950 - 12.1(14)EA1 (EMI)] "spanning-tree optimize bpdu t

Thanks Milan! You were absolutely right. It's not possible to enable it. I have verified it with one of the 2950 switches we have here. I guess I don't have a choice but to leave it as is. =)

Thanks again!

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