Load balanced, failover internet connections

Lai Zit Seng lzs at pobox.com
Mon May 23 01:06:48 UTC 2005


> On Sunday 22 May 2005 17:35, Lai Zit Seng wrote:
>> On Sat, 21 May 2005, Aaron O'Hara wrote:
>>> On Sun, 2005-22-05 at 09:28 +0800, Lai Zit Seng wrote:
>>>> On Sat, 21 May 2005, Aaron O'Hara wrote:
>>>>> What scripts/urls are you using to have load balanced, failover ready
>>>>> internet connections on single FC2/3 box?
>>>>>
>>>>> I've only seen a couple simple load balancing routing table howto's.
>>>>>
>>>> Are you referring to having highly-available network access to your
>>>> single FC2/3 box?
>>>>
>>>> I suppose in that case you should at least be looking at having at least
>>>> two network links to two different network switches in the same logical
>>>> network, and have both ports run together as a bridge.
>>>>
>>> I'm referring to an environment where an office has 1 FC Firewall with 2
>>> different ISPs providing internet access.  While both are up, utilize
>>> both (perhaps with a preference to one if there are different caps),
>>> when one goes down, use the one that's up.
>>>
>> I see. I haven't come across any nicely packaged software that does
>> this... so far all that I've seen so far are a bunch of scripts... sorry.
>> I assume you've already Google'd and seen the most common stuffs :)
>
> I do not have a solution but lets see what information we have?
>
> 1. I know that one method is called Multilink
>
> 2. I know it works with PPP (does it work with PPPOE too?)
>
> 3. I know that one method is called EQL and is "serial line load balancing"
>   but the ISPs dosn't seem to provide EQL.
>
> 4. In general it is called "Load Balancing"

I believe all the above works only if you connect up to the same ISP. I 
think the original poster wanted to connect to different ISPs. So it gets 
a little more messy :)

Regards,

.lzs
--
http://popoheads.com/~lzs/




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