STP disabled on switch

Unanswered Question
Nov 13th, 2008

Hi

Do CISCO switch forwards STP frames between non cisco switches provided the CiSCO switch is disabled with STP.

and these three switches are conected like triangular topology.

Regards,

Umair

I have this problem too.
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Giuseppe Larosa Thu, 11/13/2008 - 05:16

Hello Umair,

it shouldn't pass STP frames disabling STP, that is not recommended, doesn't make an hub of a switch.

If you need you can use 802.1Q tunneling with layer 2 tunneling and bpdu filter to provide a transparent L2 transport service.

see

http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SX/configuration/guide/dot1qtnl.html

http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SX/configuration/guide/l2pt.html

Hope to help

Giuseppe

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