From: Brian Dennis (brian@labforge.com)
Date: Fri Feb 28 2003 - 17:26:39 GMT-3
Remember that you also have the option of "loose" source routing
packets.
Brian Dennis, CCIE #2210 (R&S/ISP Dial/Security)
brian@labforge.com
http://www.labforge.com
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Jonathan V Hays
Sent: Friday, February 28, 2003 11:48 AM
To: 'Paul Loh'; ccielab@groupstudy.com
Subject: RE: ip source-route
Before anyone starts down the wrong path, Paul is referring to the
source route option in the IP header, not token ring source routing.
Since the source route option only allows a maximum of nine IP addresses
I wouldn't think it would be very useful in today's Internet. I'm not a
programmer, but I doubt that anyone DOES implement it in the real-world.
Maybe I'm wrong here. Perhaps Howard or someone with in-depth protocol
programming experience might comment.
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On
> Behalf Of Paul Loh
> Sent: Thursday, February 27, 2003 10:02 PM
> To: ccielab@groupstudy.com
> Subject: ip source-route
>
>
> Hi,
> This is not a directly related question to the CCIE
> lab, but I am curious in a real-world, how is a
> network device use "source-route" to determine where
> the packet will be routed to?
>
> I have read about RFC791 and know about option 3 and
> option 9 on the loose source-route and strict
> source-route. But it still did not indicate how
> "source-route" is implemented in the real-world. Can
> someone enlighten me?
>
> Thank-you.
>
>
>
>
> =====
> Thank-you.
> Regards,
> Paul
>
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