Time Warner Cable issues in Ohio ?

Pete Carah pete at altadena.net
Tue Feb 28 17:58:10 CST 2012


On Feb 28, 2012, at 15:22, Randy Carpenter <rcarpen at network1.net> wrote:

> 
> We're seeing some strange issues with our fiber connection to TWC in Ohio. Intermittent packet loss to/from some IPs.
> 
> 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.
> 
> Likewise, from one of our IPs, connections are fine to a particular remote host, but not to another host on the same network.
> 
> Connections to/from some other IPs (and some whole networks) are totally fine.
> 
> It almost seems that some piece of gear somewhere is barfing on packets that have a particular set of bits in the source and/or destination address.
> 
LACP somewhere with a partial link failure?

-- Pete




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