[53206] in North American Network Operators' Group
Re: Where is the edge of the Internet?
daemon@ATHENA.MIT.EDU (Valdis.Kletnieks@vt.edu)
Tue Nov 5 14:08:49 2002
To: alok <alok.dube@apara.com>
Cc: nanog@nanog.org, Martin <marty@supine.com>
In-Reply-To: Your message of "Tue, 05 Nov 2002 13:26:04 +0530."
<020a01c284a0$d4f2a220$81c802c0@alok>
From: Valdis.Kletnieks@vt.edu
Date: Tue, 05 Nov 2002 14:08:08 -0500
Errors-To: owner-nanog-outgoing@merit.edu
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On Tue, 05 Nov 2002 13:26:04 +0530, alok <alok.dube@apara.com> said:
> =======> coz the destination network is there..... its still a viable config
> isnt it..incase of assymetric uplinks and downlinks? ......wht stops u from
> "not having a route to the source" as routing is destination IP based...
> some particular network may be covered with 0.0.0.0/0 for example and you
> may have no routing entry for it... or you could be having a customer who
> uplinks a particular network segment via your ISP, but doesnt advertise his
> network to you as he actually downlinks that network from somewhere
> else...nothing to stop that topology either.........right?
And if the destination network isn't there, you send the ICMP Net Unreachable
to where?
--
Valdis Kletnieks
Computer Systems Senior Engineer
Virginia Tech
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