[150630] in North American Network Operators' Group
Re: Time Warner Cable issues in Ohio ?
daemon@ATHENA.MIT.EDU (Pete Carah)
Tue Feb 28 18:59:14 2012
From: Pete Carah <pete@altadena.net>
In-Reply-To: <2058610f-083b-4083-a275-08049ccb7c95@zimbra.network1.net>
Date: Tue, 28 Feb 2012 15:58:10 -0800
To: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Feb 28, 2012, at 15:22, Randy Carpenter <rcarpen@network1.net> wrote:
>=20
> We're seeing some strange issues with our fiber connection to TWC in Ohio.=
Intermittent packet loss to/from some IPs.
>=20
> It gets as specific as from a certain IP outside our network, packets to a=
.b.c.10 are fine, but pings to a.b.c.50 (same subnet of same netblock) lose ~=
75% of the packets.
>=20
> Likewise, from one of our IPs, connections are fine to a particular remote=
host, but not to another host on the same network.
>=20
> Connections to/from some other IPs (and some whole networks) are totally f=
ine.
>=20
> It almost seems that some piece of gear somewhere is barfing on packets th=
at have a particular set of bits in the source and/or destination address.
>=20
LACP somewhere with a partial link failure?
-- Pete
