From: Jonathan V Hays (jhays@jtan.com)
Date: Fri Feb 28 2003 - 19:08:58 GMT-3
Good point.
I believe Dennis is pointing out that you can specify up to eight IP
addresses that the IP datagram must traverse, but it can also pass
through other routers in between the listed addresses. This would make
'loose source routing' a good candidate for an implementation of a
switch/option on a ping or traceroute command.
> -----Original Message-----
> From: Brian Dennis [mailto:brian@labforge.com]
> Sent: Friday, February 28, 2003 3:27 PM
> To: 'Jonathan V Hays'; 'Paul Loh'; ccielab@groupstudy.com
> Subject: RE: ip source-route
>
>
> 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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