From: Alexei Monastyrnyi (alexeim@orcsoftware.com)
Date: Thu Nov 09 2006 - 17:19:41 ART
via BVI on a router
A.
Frank wrote:
> Kulcsar Andras Benjamin schrieb:
>
> Right, i had also the same. It's In Volume 2 i think. I worked like a
> charm with ipv6 so i thought it would also
> with ipv4.
>
> It there any other way to bridge two vlans layer2?
>
> Frank
>> Fallback bridging does not work for IPv4.
>>
>> Fallback Bridging Configuration Guidelines
>>
>> A maximum of 31 bridge groups can be configured on the switch.
>>
>> An interface (an SVI or routed port) can be a member of only one
>> bridge group.
>>
>> Use a bridge group for each separately bridged (topologically
>> distinct) network connected to the switch.
>>
>> All protocols except IP (Version 4 and Version 6), Address Resolution
>> Protocol (ARP), reverse ARP (RARP), LOOPBACK, and Frame Relay ARP are
>> fallback bridged.
>> http://www.cisco.com/univercd/cc/td/doc/product/lan/c3550/12225see/scg/swfallbk.htm#wp1038531
>>
>>
>> However, despite the fact that the UniverCD says that fallback
>> bridging does not work for IPv6, it definitely worked for me in a
>> test environment (I think the solution for one task in Internetwork
>> Expert Workbook was fallback bridging IPv6)
>>
>> Regards,
>> Andras
>>
>>
>>
>> -----Original Message-----
>> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
>> Of Frank
>> Sent: Thursday, November 09, 2006 11:30 AM
>> To: Cisco certification
>> Subject: vlan-bridge
>>
>> Michael Zuo schrieb:
>>
>>
>> Hi,
>>
>> i have seen the "vlan-bridge" command for bridging between vlan's on
>> one switch.
>> I have tested it to bridge two vlans like this:
>>
>> int vl1
>> bridge-group 1
>>
>> int vl2
>> bridge-group 1
>>
>> bridge 1 protocol vlan-bridge
>>
>>
>> It's called fallback-bridging. But does this mean it does not bridge
>> ip traffic?
>>
>> Is it possible to bridge clients in these vlans per ip over this
>> configuration? I found it will not work.
>> Using c3550-ipservicesk9-mz.122-25.SEE.
>>
>> Frank
>>
>>
>>> Hi Group,
>>>
>>>
>>>
>>> The Lab Blue Print does not specify bridging as a separate item
>>> under the "bridging and switching" section. I wonder if this means
>>> they will not test it? There also has not been any discussion on
>>> this at GS over the last year... anyone?
>>>
>>>
>>>
>>> thanks
>>>
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