11-13-2008 04:53 AM - edited 03-06-2019 02:28 AM
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
11-13-2008 05:16 AM
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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