[asterisk-users] Dual Wan Router with Failover

Tue Nov 14 11:11:26 MST 2006

We've had great results with Astrocom powerlink for load balancing
outbound wan connections. 

======================
Jeronimo Romero
EUS Networks
Email: jromero at euscorp.com
Cell: 917-332-7238
Office: 212-624-5943
Web: www.euscorp.com
======================

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-
> bounces at lists.digium.com] On Behalf Of Dean Collins
> Sent: Tuesday, November 14, 2006 12:57 PM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Cc: email at mattruby.com
> Subject: RE: [asterisk-users] Dual Wan Router with Failover
> 
> Thanks for the reply matthew, basically I've been looking at going to
a
> dmz model for a while as currently everything runs through a single
> sbs2003 server and when it's churning drives doing something sometimes
> audio errors occur.
> 
> 
> Cheers,
> 
> Dean
> 
> 
> > -----Original Message-----
> > From: Matthew Rubenstein [mailto:email at mattruby.com]
> > Sent: Tuesday, 14 November 2006 11:41 AM
> > To: Dean Collins
> > Cc: Asterisk-Users
> > Subject: RE: [asterisk-users] Dual Wan Router with Failover
> >
> > 	There are several dual-WAN routers with load balancing and
> failover,
> > including the Xincom Twin-WAN series that I have tested OK with SIP
> (as
> > NAT): http://www.xincom.com/twinwan.php . Their other products
> probably
> > work, too.
> >
> > 	Keep in mind that load balancing on these devices assigns each
> > TCP/IP
> > *connection* to its own WAN interface. So a large transfer on a
single
> > connection is limited by the bandwidth of whichever interface it's
> > started on, even if the transfer starts slow enough to get assigned
to
> a
> > smaller bandwidth interface, then expands to require the bandwidth
> from
> > the other WAN. The tech to de/multiplex streams works "well" only
when
> > connecting to a single router endpoint, over relatively few hops
that
> > can lengthen unpredictably the path some deplexed tackets travel.
UDP
> > works better, but it still doesn't really work that well. What works
> > well is assigning different WANs to different apps' traffic, using
> > multiple WANs for failover, or just accepting that these techs are
> > better than nothing, and offer cheap ways to at least avoid a single
> > point of failure in the WAN scheme.
> >
> >
> > On Tue, 2006-11-14 at 08:07 -0700,
> > asterisk-users-request at lists.digium.com wrote:
> > > Date: Tue, 14 Nov 2006 10:07:41 -0500
> > > From: "Dean Collins" <Dean at cognation.net>
> > > Subject: RE: [asterisk-users] Dual Wan Router with Failover
> > > To: "Asterisk Users Mailing List - Non-Commercial Discussion"
> > >         <asterisk-users at lists.digium.com>
> > > Message-ID:
> > >
> >
<677A75F88616F04E897D9D0E8397B10D06DC0F at cognationsvr1.Cognation.local>
> > > Content-Type: text/plain;       charset="US-ASCII"
> > >
> > > Hi Jason,
> > > I was looking for an external solution outside of my asterisk box
so
> > > that I can load balance my other website/email traffic as well.
> > >
> > >
> > > Cheers,
> > >
> > > Dean
> > >
> > >
> > > > -----Original Message-----
> > > > From:
> > > asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-
> > > > bounces at lists.digium.com] On Behalf Of Jason
> > > > Sent: Tuesday, 14 November 2006 11:00 AM
> > > > To: Asterisk Users Mailing List - Non-Commercial Discussion
> > > > Subject: Re: [asterisk-users] Dual Wan Router with Failover
> > > >
> > > > If you don't mind using linux, linux can do some fairly intense
> load
> > > > balancing all built in. Check out the Linux Virtual Server
> project.
> > > As
> > > > for WAN failover,  if you again don't mind using linux, you can
> > > script
> > > a
> > > > simple ping to the internet (I would ping at least 3 hosts) and
if
> > > that
> > > > fails, fail to your second ISP.  You can also do some crazy fun
> > > stuff
> > > > with linux advance routing and bonding.
> > > >
> > > > Jason
> > > > The place where you made your stand never mattered,
> > > > only that you were there... and still on your feet
> > > >
> > > >
> > > >
> > > > Dean Collins wrote:
> > > > >
> > > > > Are you looking for load balancing or failover.
> > > > >
> > > > >
> > > > >
> > > > > Also is there a cheaper way of implementing load balancing
than
> > > $845
> > > > > appliance?
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > Cheers,
> > > > >
> > > > >
> > > > >
> > > > > Dean
> > > > >
> > > > >
> > > > >
> > > > >
> > >
>
------------------------------------------------------------------------
> > > > >
> > > > > *From:* asterisk-users-bounces at lists.digium.com
> > > > > [mailto:asterisk-users-bounces at lists.digium.com] *On Behalf Of
> > > *Todd-
> > > > > Asterisk
> > > > > *Sent:* Tuesday, 14 November 2006 9:26 AM
> > > > > *To:* Asterisk Users Mailing List - Non-Commercial Discussion
> > > > > *Subject:* Re: [asterisk-users] Dual Wan Router with Failover
> > > > >
> > > > >
> > > > >
> > > > > I've been looking for this as well..  I need to support up to
20
> > > VOIP
> > > > > phones over Internet as the Asterisk server is off-site.
We'll
> > > have
> > > > > multiple cable modems or DSL routers.
> > > > >
> > > > >
> > > > >
> > > > > I found this device which looks promising - does anyone have
any
> > > > > experience with this?
> > > > >
> > > > >
> http://www.peplink.com/productsLoader.php?productName=balance
> > > > >
> > > > >
> > > > >
> > > > >   Todd
> > > > >
> > > > >
> > > > >
> > > > > On Nov 13, 2006, at 8:49 PM, Dovid B wrote:
> > > > >
> > > > >
> > > > >
> > > > > Hi List,
> > > > >
> > > > > Does anyone know of a good dual wan router that can handle SIP
> > > well
> > > > > and can failover between connections if there is a SIP issue
on
> > > one
> > > of
> > > > > the lines (meaning there still is a connection however there
> isnt
> > > > > enough bandwith or sip packets arent going thru etc.) ?
> > > > >
> > > > >
> > > > >
> > > > > Thanks.
> > > > >
> > > > >
> > > > >
> > > > > Dovid
> > --
> >
> > (C) Matthew Rubenstein
> 
> _______________________________________________
> --Bandwidth and Colocation provided by Easynews.com --
> 
> asterisk-users mailing list
> To UNSUBSCRIBE or update options visit:
>    http://lists.digium.com/mailman/listinfo/asterisk-users