Re: CIPE & Linux bridging

Ravi <[email protected]> Fri, 09 Apr 2004 09:52:47 +0530
Newsgroups gmane.comp.encryption.cipe
Message-ID <[email protected]>
Hello All,

 I am newbie to cipe and its mailing list. Me too looking for the same 
set-up. Please help out.
I am working on the code, if any body have made cipe work without 
encryption and in bridge mode encapsualating mac packets over UDP, 
please point out and I wont reinvent the wheel. :)

Thanks in advance,
-Ravi

Mackay, Scott wrote:

>Hello!
>I had some questions about the CIPE and bridging.
>I would like to establish a CIPE tunnel between 2 IPs.  The machine running the CIPE would be a dual homed linux box (2.4.25 or 2.6.x) running ebtables, so the nics are bridged.  The tunnel destination would be an IP on the same subnet.
>Questions:
>1.  Are broadcasts and multicasts supported across the CIPE tunnel?  
>2.  Where in the packet process flow are the packets placed into the CIPE tunnel?  Of concern is where in the iptables flow does it occur (before,after,in the middle)?
>3.  Can a tunnel be established without encryption?  If not, is there a simpler application which could create a non-encrypted tunne?
>Thanks in advance!!
>-Scott
>
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