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how to combine two ADSL line for load balancing

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how to combine two ADSL line for load balancing - 22.Oct.2008 5:06:13 AM   
ancientbagan

 

Posts: 5
Joined: 22.Oct.2008
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Hi all,
First of all, Let me introduce myself first.
I'm from myanmar (burma). at my work (internet cafe),
I've two ADSL internet connection (Donwstream : 512Kbps, Upstream : 256Kbps)
Now, i'm using two isa server for each line seperately. i want to combine these line for outbound and inbound load balancing.

Is this possible ?
if yes, which type of hardware or isa configuration do i need ?
my compaq server have four broadcom NIC with teaming and failover function. can i use this function to combine ?

all helps and advices will be appreciated
thanks in advance
Post #: 1
RE: how to combine two ADSL line for load balancing - 22.Oct.2008 7:23:15 AM   
SteveMoffat

 

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From: Hamilton, Bermuda
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You'll need a twin WAN Router. Xincon & Netgear have a few models.

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(in reply to ancientbagan)
Post #: 2
RE: how to combine two ADSL line for load balancing - 23.Oct.2008 12:15:01 AM   
ancientbagan

 

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Joined: 22.Oct.2008
Status: offline
thanks SteveMoffat
Can i use network teaming function integrated with broadcom NIC ?

quote:

ORIGINAL: SteveMoffat

You'll need a twin WAN Router. Xincon & Netgear have a few models.

(in reply to SteveMoffat)
Post #: 3
RE: how to combine two ADSL line for load balancing - 23.Oct.2008 8:37:03 AM   
SteveMoffat

 

Posts: 1130
Joined: 29.Jun.2001
From: Hamilton, Bermuda
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Yes you can, but that won't help with 2 adsl routers. Teaming turns 2 nics into 1 nic basically.

You would still need a routing device.

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Thanks
Steve

ISA 2006 Book! - http://tinyurl.com/2gpoo8
TMG Bible - http://tinyurl.com/ykv85hr
www.isaserver.bm

The built in ISA help is likely the most comprehensive help built into an application anywhere. USE it!!! Search it!!! RTFM

(in reply to ancientbagan)
Post #: 4
RE: how to combine two ADSL line for load balancing - 23.Oct.2008 9:09:14 AM   
paulo.oliveira

 

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Joined: 3.Jan.2008
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Hi Steve,

If I not mistaken, Team NICs doesn´t work very well with ISA...

I´ve seen too many people complain about this before... or this issue only happens with ISA EE+NLB?

Regards,
Paulo Oliveira.

(in reply to SteveMoffat)
Post #: 5
RE: how to combine two ADSL line for load balancing - 24.Oct.2008 4:17:13 AM   
ancientbagan

 

Posts: 5
Joined: 22.Oct.2008
Status: offline
Dear Steve and paulo.oliveira
We all in myanmar can get only 512Kbps ADSL line becasue of our junta's ISP. so, i bought 2 line and tried to combine to get double bandwidth with NIC Teaming function and ISA Server 2006.
but, it doesn't work well.
Pls help me

quote:

ORIGINAL: paulo.oliveira

Hi Steve,

If I not mistaken, Team NICs doesn´t work very well with ISA...

I´ve seen too many people complain about this before... or this issue only happens with ISA EE+NLB?

Regards,
Paulo Oliveira.

(in reply to paulo.oliveira)
Post #: 6
RE: how to combine two ADSL line for load balancing - 24.Oct.2008 7:30:23 AM   
SteveMoffat

 

Posts: 1130
Joined: 29.Jun.2001
From: Hamilton, Bermuda
Status: offline
Hi
There is no way around it. You need a hardware solution.

_____________________________

Thanks
Steve

ISA 2006 Book! - http://tinyurl.com/2gpoo8
TMG Bible - http://tinyurl.com/ykv85hr
www.isaserver.bm

The built in ISA help is likely the most comprehensive help built into an application anywhere. USE it!!! Search it!!! RTFM

(in reply to ancientbagan)
Post #: 7
RE: how to combine two ADSL line for load balancing - 24.Oct.2008 9:17:42 AM   
ancientbagan

 

Posts: 5
Joined: 22.Oct.2008
Status: offline
Hi Steve
So, you mean, i need dual wan router. yes ?
if i have two seperated ISA Server, can i combine these two line without dual wan router ?
my lines are the followings.
1st line
ip address : 172.24.xx.xxx
subnet mask : 255.255.254.0
gateway : 172.24.44.1
2nd line
ip address : 172.24.xx.xxx
subnet mask : 255.255.254.0
gateway : 172.24.44.1

Thanks

quote:

ORIGINAL: SteveMoffat

Hi
There is no way around it. You need a hardware solution.

(in reply to SteveMoffat)
Post #: 8
RE: how to combine two ADSL line for load balancing - 24.Oct.2008 11:40:10 AM   
SteveMoffat

 

Posts: 1130
Joined: 29.Jun.2001
From: Hamilton, Bermuda
Status: offline
You can do it with 2 isa's, but they would be separate firewalls. You would have to split your clients between them.

Rainconnect used to do it, but it it no longer avaiolable.

A twin wan router is your nest bet.

_____________________________

Thanks
Steve

ISA 2006 Book! - http://tinyurl.com/2gpoo8
TMG Bible - http://tinyurl.com/ykv85hr
www.isaserver.bm

The built in ISA help is likely the most comprehensive help built into an application anywhere. USE it!!! Search it!!! RTFM

(in reply to ancientbagan)
Post #: 9
RE: how to combine two ADSL line for load balancing - 24.Oct.2008 12:59:37 PM   
adimcev

 

Posts: 380
Joined: 19.Oct.2008
Status: offline
Yep, as Steve said.
Google for outbound load balancing, inbound load balancing, for example, you will get many results for various products, vendors and the way they accomplish the load balancing, what features they offer...
Say: http://www.xincom.com/twinwan.php
Also you may find some reviews/tests for various products.
Looking at your IP addresses and DGWs, it looks like you use two Internet connections from the same ISP. That does not sound very good in respect with the failover idea.
Adrian

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(in reply to SteveMoffat)
Post #: 10
RE: how to combine two ADSL line for load balancing - 27.Oct.2008 1:42:45 AM   
ancientbagan

 

Posts: 5
Joined: 22.Oct.2008
Status: offline
Dear paulo.oliveira
Can i use 2 ISA Server EE + NLB to combine these two adsl lines for Load Balancing.

quote:

ORIGINAL: paulo.oliveira

Hi Steve,

If I not mistaken, Team NICs doesn´t work very well with ISA...

I´ve seen too many people complain about this before... or this issue only happens with ISA EE+NLB?

Regards,
Paulo Oliveira.

(in reply to paulo.oliveira)
Post #: 11
RE: how to combine two ADSL line for load balancing - 28.Oct.2008 1:46:42 PM   
paulo.oliveira

 

Posts: 3472
Joined: 3.Jan.2008
From: Amazon, Brazil
Status: offline
Hi,

I don´t think you can do this, the best option will be use another hardware in front of ISA Server.

Regards,
Paulo Oliveira.

(in reply to ancientbagan)
Post #: 12

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