Re: [squid-users] Squid with three isp

On 23/02/11 19:50, Senthilkumar wrote:
> Amos Jeffries wrote:
>> On Wed, 23 Feb 2011 10:41:20 +0530, Senthilkumar wrote:
>>> Hello All,
>>>
>>> We have a gateway machine which has three upstream isp and to make
>>> clients use the particular isp we use advance routing based on the
>>> source address. When we run squid on the same machine to log
>>> websites all traffic passes through the single isp i.e. the isp which
>>> is set as default gateway. We need all the users to pass through squid
>>> and use different isp's as per source route.
>>> Please share your views to achieve it.
>>
>> http://wiki.squid-cache.org/ConfigExamples/Strange/RotatingIPs
>>
>> Amos
>>
> Thank you very much Amos,
>
> We have clients in 10.X.X and 172.16.1.X and 172.16.2.X series, we need
> each client series would use single isp for upload and download.
> whether the following configuration achieve it?
>
> acl isp1 src 10.X.X
> acl isp2 src 172.16.1.X
> acl isp3 src 172,16.2.X
>
> acl download method GET HEAD
> acl upload method POST PUT
>
> tcp_outgoing_address <isp1 ip> isp1 download upload
> tcp_outgoing_address <isp2 ip> isp1 download upload
> tcp_outgoing_address <isp3 ip> isp1 download upload

No this wont work. Requests cannot have two methods (one up one down)
simultaneously.

The example was written by an ISP with a satellite and a ground link
where direction of majority data traffic matters a lot. You do not need
the method ACL. Only the src test.

Amos

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