Question

mulitple ISPs for downloading

Asked by: youthworks

Hello,
We currently use a full T1 for data but we are maxing out each day and looking to add more bandwidth. We have received proposals for bonded T1s (3.0Mpbs, 4.5 etc) which would double our speed, but we see 12+Mbps for Comcast business. We have heard it suggested that we could possibly use Comcast just for surfing/downloading and T1 for everything else (email, web site hosting, etc). Is this possible? Is this ideal?

Do you think we should just switch to Comcast for everything? It's significantly cheaper but doesn't give the 99.99% uptime (which isn't true it seems anyway).

Thanks.

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Asked On
2009-06-15 at 13:49:32ID24493686
Tags

ISP

,

T1

,

internet connection

Topics

Telecommunications Providers

,

Networking Hardware Firewalls

,

DSL Lines / Cable Internet

Participating Experts
3
Points
250
Comments
12

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Answers

 

by: mutahirPosted on 2009-06-16 at 04:34:38ID: 24636934

You can terminate two WAN Connections into a router which supports dual wan feature ;

then create a load balance policy to route all browsing traffic via WAN1 or WAN2 (as per your requirement) (you can specify IP Addresses as well for more control)

and another loadbalance policy for your data down/uploads via your desired wan interface on the router (as above you can specify source IP Addresses so that they will always use that specified connection)

You can use http://draytek.co.uk/products/vigor2950.html

they should have a reseller in the US for Draytek.

Hope this helps

above router supports 200 vpn tunnels as well

 

by: emilgasPosted on 2009-06-16 at 08:52:13ID: 24639269

What kind of a router do you have? Will it support both T1 and Cable? if you can get rid of the T1 that would be better. My company has two T1's bundled into a multilink on a cisco router which adds up to a 3Mbps upload and 3Mbps Download, but on of the other offices in our company has 5mbps down and 2 up cable and I honestly think cable is faster. Now if the T1 was cheaper i would say keep it, but they are so expensive that it is not worth adding another T1.

But again, what model is your current router? how do you connect to the internet with your current T1? I know that Cisco routers do have modules that support veriety of WAN connections using their WIC cards (CSU/DSU for T1, ADSL and Cable).

 

by: youthworksPosted on 2009-06-16 at 13:50:39ID: 24642428

We have an Adtran provided by the ISP

 

by: plug1Posted on 2009-06-17 at 00:44:22ID: 24645745

I've used a few of the Draytek routers on my customers sites and they work very well, the 5510, and 2950 are both excellant. Ive also used loads of 2820's on smaller sites to combine adsl with cable connections.

 

by: youthworksPosted on 2009-06-17 at 07:21:49ID: 24648505

Since we are using an ISP provided router, and not going to spend money buying a new one, is there any other thoughts that the router I can buy?

 

by: plug1Posted on 2009-06-17 at 07:23:17ID: 24648534

If your not going to spend any money Id say bar stealing one your choices are limited..

 

by: youthworksPosted on 2009-06-17 at 07:33:49ID: 24648646

I don't understand "bar stealing one," sorry.

So the router is the only means of having multiple means of traffic? A firewall can't have multiple router connections coming in/out?

 

by: plug1Posted on 2009-06-17 at 07:44:22ID: 24648765

You can only ever have 1 default gateway to route internet traffic so if the firewall was not designed with load balancing 2 connections in mind then no it wont work. It has to be specifically made to do this.

.. also the stealing one was a joke.

 

by: youthworksPosted on 2009-06-17 at 08:22:27ID: 24649272

We do have a Sonicwall with WAN Failover & Load Balancing. I imagine that'll do the trick? It's a Sonicwall with enhanced OS.

Now that I have a device in place, any thoughts as how I should program it?

Also, thought it may have been a joke but the word bar confused me.

 

by: plug1Posted on 2009-06-17 at 08:51:30ID: 24649599

sorry, scottish language mate apologies.

The sonicwall devices are pretty solid tbh, Ive not configured one recently but if it has the option to run both connections simultaneously and also failover if one drops then thats the way to go.

Also force your mail to go out of the correct IP address or it will be rejected as spam by alot of servers, failing that just add a secondary MX record to the domain name for the other IP address.

 

by: youthworksPosted on 2009-06-18 at 08:01:53ID: 24658137

I'll get back to you, will try this soon hopefully.

 

by: youthworksPosted on 2009-07-21 at 07:52:22ID: 31592683

Yeah, so we are not using the WAN Failover feature as of yet but through the firewall I am able to switch which connection to use. But then I must adjust the WAN-LAN and NAT rules afterwards, but at least we have an internet connection.

20120131-EE-VQP-002

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