impossible circuit
Jared Mauch
jared at puck.nether.net
Wed Aug 13 18:34:06 UTC 2008
On Wed, Aug 13, 2008 at 02:27:33PM -0400, Andy Johnson wrote:
>> working, and keeps the dupes from coming back at us, because the ppp
>> encapsulated packets aren't understood by Sprint's routers running [I
>> assume] hdlc...so they can't forward the packets.
>
> AFAIK, routers don't just forward IP packets because they "see" them.
> That destination MAC address needs to be set to something assigned to the
> router doesn't it? Unless somehow they've crossed you into some sprint
> router running IRB? That might be the only exception I can think of.
The circuit involved in this case is a DS3, whatever you get will be
processed on the other side unless it's blocked by uRPF or some sort
of ACL.
- Jared
--
Jared Mauch | pgp key available via finger from jared at puck.nether.net
clue++; | http://puck.nether.net/~jared/ My statements are only mine.
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