Re: OT:Transparent Bridging Details

Thanks Adam. Much appreciated!

On Fri, Mar 25, 2011 at 4:42 AM, Adam Booth <adam.booth_at_gmail.com> wrote:

> Hi Karim,
>
> The Source and Destination MAC addresses of the frame need to remain and
> other data link related components of the original frame are needed,
> otherwise it would not be considered transparent.
>
> When using PPP links, you would be using Bridge Control Protocol (BCP) -
> perhaps this link will be of assistance -
> http://www.cisco.com/en/US/docs/ios/12_3t/12_3t2/feature/guide/gt_bcp.html
>
> Cheers,
> Adam
>
> On Thu, Mar 24, 2011 at 1:04 AM, karim jamali <karim.jamali_at_gmail.com>wrote:
>
>> Dear Experts,
>>
>> I would appreciate your support on the following question.
>>
>> When doing transparent bridging especially between different media (for
>> instance ethernet/serial) as in the following link:
>>
>>
>> http://www.cisco.com/en/US/tech/tk331/tk660/technologies_tech_note09186a0080094471.shtml
>>
>> When the router receives the ethernet frame, and wants to send it out as
>> with an HDLC/PPP..etc encapsulation, is the ethernet encapsulation (header
>> information) completely torn and only PPP/HDLC..etc encapsulation out or
>> is
>> it still there as if you are putting the outer envelope of whatever
>> encapsulation you are using in the serial interface and inside it you will
>> still have the ethernet encapsulation?
>>
>> Thank You
>>
>> --
>> KJ
>>
>>
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>

-- 
KJ
Blogs and organic groups at http://www.ccie.net