North American Network Operators Group

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Re: Sprint internal inconsistency?

  • From: Justin Kreger
  • Date: Sun Apr 16 13:29:32 2006

I remember getting a note from sprint when I was a sprint customer a few years back that said they were going to stop routing to the /30s for point-to-point customer links, unless requested to keep routing in place for that /30.

Hopes this helps.


On Sun, 16 Apr 2006, neal rauhauser wrote:

AS16604 works fine, AS 22663 does not. I've picked at this for several hours this AM - looks very much like 22663's serial interface,, is blackholed somewhere inside Sprint. I got a tech who is trying to help, but he is the guy who got stuck with Easter Sunday ... anyone else awake at Sprint?

These machines can't telnet to each other. Protocol capture and varying the telnet source interface on the AS 22663 machine shows can send but receives no return traffic, while the loopback IP is accessible.

Inside AS 16604

interface Hssi3/0
description DS3 to Sprint PL#:431846
ip address
ip route

Inside AS 22663

interface Serial5/1/0
description 45076451-T,, Inc. (SL-PROMI-1)
bandwidth 44210
ip address

interface Loopback 0
ip addresss

ip route