Level3 / Cogent / NetFlix BGP Assistance

Sun Dec 4 17:30:26 UTC 2016

Sam I just sent you an email offlist.

a public ix port could be an option.

Erich Kaiser
The Fusion Network
erich at gotfusion.net
Office: 630-621-4804
Cell: 630-777-9291

On Sun, Dec 4, 2016 at 11:25 AM, Faisal Imtiaz <faisal at snappytelecom.net>
wrote:

> Have you considered connecting to the nearest peering exchange ? where you
> can potentially off-load all of this traffic from your paid IP Transit ?
>
> Faisal Imtiaz
> Snappy Internet & Telecom
>
> ----- Original Message -----
> > From: "Sam Norris" <Sam at SanDiegoBroadband.com>
> > To: "nanog list" <nanog at nanog.org>
> > Sent: Sunday, December 4, 2016 12:14:57 PM
> > Subject: Level3 / Cogent / NetFlix BGP Assistance
>
> > Hey all,
> >
> >
> >
> > In early October our traffic levels from NetFlix went from about half
> Level3 and
> > half Cogent - pretty well balanced - to all on Level3.  Standard
> multihomed BGP
> > setup with minimal TE if I can help it.  I am starting to run into
> problems with
> > a full gigabit port on Level3 and only 100-200mbps on Cogent at that
> colo.  I
> > tried padding, I even tried 65000:2906 bgp community, but it seems like
> if our
> > level3 port is up NetFlix chooses it solely.  How can I load balance
> NetFlix
> > traffic across my two ports so that I am not paying for overages and/or
> forced
> > to up to a 10G port immediately?  I have 3 other providers at that colo
> and
> > cannot find any mix of bgp tricks to get some of it thru our other
> providers.
> >
> >
> >
> > I notice AS2906 has a localpref of 86 - odd ...
> >
> >
> >
> > The 108.175.47.0/24 block seems to be using as 2906 so I thought a
> 65000:2906
> > wouldn't announce those prefixes to them at all.  I have about 10
> prefixes being
> > announced so I could implement a no-export on some of them to load
> balance but
> > that doesn't work.
> >
> >
> >
> > Thx,
> >
> > Sam
> >
> >
> >
> >
> >
> > BGP routing table entry for 108.175.47.0/24
> >
> >
> >
> > Paths: (2 available, best #1)
> >
> >  2906
> >
> >  AS-path translation: { 108.175.47.0/24 }
> >
> >   ear3.LosAngeles1 (metric 100000)
> >
> >    Origin IGP, metric 30334, localpref 86, valid, internal, best
> >
> >    Community: 2906:51081 North_America Lclprf_86 United_States
> Level3_Peer
> > Los_Angeles Level3:10984
> >
> >    Originator: ear3.LosAngeles1
> >
> >  2906
> >
> >  AS-path translation: { 108.175.47.0/24 }
> >
> >   ear3.LosAngeles1 (metric 100000)
> >
> >    Origin IGP, metric 30334, localpref 86, valid, internal
> >
> >    Community: 2906:51081 North_America Lclprf_86 United_States
> Level3_Peer
> > Los_Angeles Level3:10984
> >
> >     Originator: ear3.LosAngeles1
>