bvi interfaces

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Jan 8th, 2008
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Hi all,

can anyone tell me what the main purpose of bridge virtual interfaces are on access points etc ? and if I want my real interface to be linked to it, do I just put the real interface into the bridge-group 1 etc ?

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s.arunkumar Wed, 01/09/2008 - 00:10
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A BVI is a virtual interface within the switch router that acts like a normal routed interface. A BVI does not support bridging, but it actually represents the corresponding bridge group to routed interfaces within the switch router.

Yes,in your real interface you need to put bridge-group number.

An example of its use is in irb.using this you can route a given protocol between routed interfaces and bridge groups within a single switch router.In case of irb,you need not to give bridge-group cmd under the real routed interface.

carl_townshend Wed, 01/09/2008 - 00:59
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I am a little confused with this? why do we have it on my access point, I was told it bridges the radio interface to the ethernet interface ?


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