[ale] OT: Business ISP

[Charles Shapiro]

I've been using net2atlanta for consumer internet for a whiles.  No major
complaints.

-- CHS



On Sat, Jul 12, 2014 at 2:41 PM, Michael Trausch <mike at trausch.us> wrote:

> I can do a more detailed write-up later, perhaps, but here's the 30,000
> foot overview for a "simple" setup:
>
>    - You have a single Linode ("BISP"), which has at least 2 IP addresses
>    (and a pool of routed IPv6 doesn't hurt—Linode does that for you for
> free,
>    but in blocks smaller than /64).
>    - You have an edge router which is attached to two separate "real" ISPs
>    ("BER"). Ideally, the ISPs have static IP addresses.  If you don't,
> you'll
>    need to add some machinery to ensure that the tunnel endpoints stay
>    up-to-date. I don't consider this problem since I don't have dynamic
>    addresses.
>    - You configure the BISP system to have two virtual (layer 2) interfaces
>    which will talk to BER, one for each "real" ISP.
>    - You configure the BER system to have two virtual (layer 2) interfaces
>    that talk to the Linode. This is where it starts to get interesting.
>  You
>    need to configure the system so that there is one route to the Linode
> IPv4
>    #1 over ISP 1, and one route to the Linode IPv4 #2 over ISP 2. Then
> ensure
>    that BER and BISP are both routers (kernel forwarding is turned on).
>    Establish the tunnels and test them individually.  If at this point
> you're
>    working, you can continue.
>    - Now, create a bonding interface on both BER and BISP. Configure them
>    using the same parameters, and add the two tunnel interfaces to the bond
>    point in same manner as you would with Ethernet cards. At this point,
>    perform link testing and ensure that you're using both connections
> between
>    yourself and the Linode.  You should at this point be able to transfer
> data
>    between yourself and Linode faster than with a single connection alone.
>    - Configure your network to use BER as a network gateway, and enjoy a
>    faster connection!
>
> Now, there are some caveats:
>
>    - You might want to configure very-high bandwidth things of
>    not-terribly-high import to simply use your faster leg.  For example,
>    Netflix.  You don't want all that crap going through your Linode.
>    - There are plenty of opportunities for traffic management, depending on
>    the needs for your own network.
>
> However, at this point, your network should remain online as long as it has
> power and at least one of the ISP links is working and active. You can add
> extra IP addresses e.g., at Linode and route them to your network (using
> Proxy ARP in order to chain-route; like any ISP, Linode assumes that
> they're the "last hop", meaning that if you need to relocate the IP address
> or use it e.g., for dial-up or other PPP links, you're going to need to
> have a suitably-configured proxy ARP config on BISP).
>
> Hope this helps. It's lacking in tons of detail, but it should have enough
> to get you going—or at least give you an idea.
>
>
> On Sat, Jul 12, 2014 at 2:00 PM, Phil Turmel <philip at turmel.org> wrote:
>
> > On 07/12/2014 11:46 AM, Michael Trausch wrote:
> > > Stacked and bonded connections.
> > >
> > > E.g., comcast and att, with bonding interfaces at a linode for
> bandwidth
> > aggregation and failover.
> > >
> > > More expensive than "simple" internet, but cheaper than leased lines
> and
> > more flexible, too.
> >
> > I've been considering this in the near future...  At the moment, only
> > Comcast serves my office complex at >8mb/s, unfortunately.  But AT&T has
> > indicated they are working to bring U-Verse to the party.  U-Verse
> > (internet only) has been rock solid at my home.  Comcast Business at the
> > office, not so much.
> >
> > Can you share details of your routing/bonding configuration?  Or point
> > to a howto you recommend?  I'm familiar with layer 2 bonding between
> > switch and server, not with remote links.
> >
> > Phil
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