Cant get switch to see BPDU'S via asa firewall

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Mar 15th, 2007
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Hi all, can someone help. I have a setup, using a asa in transparent mode, switch A goes into inside of asa, then switch 2 plugs into outside of ASA, I have created an allow all rule, BUT i cant see the bpdu's coming through to the other switch, can anyone please help?


cheers


Carl

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Amit Singh Thu, 03/15/2007 - 10:17
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  • Cisco Employee,

Carl,


Configure the following on your ASA:


hostname(config)# access-list ETHER ethertype permit bpdu


hostname(config)# access-group ETHER in interface inside


hostname(config)# access-group ETHER in interface outside


HTH,Please rate if it does.


-amit singh

carl_townshend Thu, 03/15/2007 - 10:22
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Hi Amit, I have tried this and it still doesnt seem to work, any ideas why ?

adimakmur Mon, 09/17/2007 - 19:25
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Hi Carl,


Can you share your experience how you solve the bpdu issue on the ASA?


Right now, I'm having the same problem. I have tried using the Ethertype access-list to allow the bpdu, but still cannot. The hit-count on the access-list is not increased.


Thanks a lot for your help.


Regards,

-Adi-

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