I think snap/dnap 0xaaaa could be the answer

On Tue, Jun 7, 2011 at 1:21 PM, Kingsley Charles <[email protected]
> wrote:

> Does STP and PVST use EtherType? They use SNAP isn't it?
>
>
> With regards
> Kings
>
>
> On Tue, Jun 7, 2011 at 7:40 PM, Bruno <[email protected]> wrote:
>
>> Hey King,
>>
>> STP and PVST should be matched on lsa type 0xaaaa I am not mistaken
>> Ethertype should be 0x10b I think.
>>
>> On Tue, Jun 7, 2011 at 8:57 AM, Kingsley Charles <
>> [email protected]> wrote:
>>
>>> Hi all
>>>
>>> I am using VACLs to block ARP in vlan X using the following command. This
>>> is going to block all non-ip traffic including the STP BPDUs. What is needed
>>> to permit the STP BPDUs to prevent looping?
>>>
>>> mac access-list extended king
>>> permit any any 0x0806
>>>
>>> vlan access-map king
>>> match mac address
>>> action drop
>>>
>>> vlan filter king vlan-list 123
>>>
>>>
>>>
>>>
>>> With regards
>>> Kings
>>>
>>> _______________________________________________
>>> For more information regarding industry leading CCIE Lab training, please
>>> visit www.ipexpert.com
>>>
>>> Are you a CCNP or CCIE and looking for a job? Check out
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>>>
>>
>>
>>
>> --
>> Bruno Fagioli (by Jaunty Jackalope)
>> Cisco Security Professional
>>
>
>


-- 
Bruno Fagioli (by Jaunty Jackalope)
Cisco Security Professional
_______________________________________________
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