Re: OT:Transparent Bridging Details

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
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html

Blogs and organic groups at http://www.ccie.net
Received on Fri Mar 25 2011 - 11:42:14 ART