[f-nsp] STP BPDU filtering

Robert Hass robhass at gmail.com
Sat Dec 14 17:21:28 EST 2013


int ethe 12/8
 no spanning-tree



On Sat, Dec 14, 2013 at 2:12 PM, Alexander Shikoff <minotaur at crete.org.ua>wrote:

> Hi,
>
> Recently I noticed that my Brocade MLXe-16 does not drop STP BPDU packets
> even if 'spanning-tree protect' is configured in port-configuration:
>
> telnet at lsr1-gdr.ki#show int eth 12/8
> 10GigabitEthernet12/8 is up, line protocol is up
>   STP Root Guard is disabled, STP BPDU Guard is enabled
>                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
>
> But there are a lot STP BPDUs coming in that port, and moreover they
> are forwarded to all other ports within one VLAN.
> Generally, I need just to drop all incoming STP BPDUs on all ports,
> and nothing else. Any hints? Thanks in advance!
>
> --
> MINO-RIPE
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>
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