Hi,
I would like to configure my proxies to route via different boxes if the primary upstream is unavailable. I have three Squid boxes all at different sites . All three have the entry:
cache_peer upstream.isp.com parent 8080 0 no-query default
All three are the same, utilising Kerberos authentication, hooking into an ICAP server. All working ok - users authenticate, ICAP manipulation then passed upstream. What I want is if the upstream at site A is unavailable I would like to route to the site B, and then site C to pass to the upstream. Likewise at Site B, site A, site C. And again at site C, site B and site A.
I think I need to be looking at something like this.. I'm not using caching by the way:
SiteA proxy:
cache_peer upstream.isp.com parent 8080 0 no-query no-digest default
cache_peer siteb.[mydomain] sibling 8080 0 no-query no-digest
cache_peer sitec.[mydomain] sibling 8080 0 no-query no-digest
Do I also need additional conf lines to say send upstream and don't do any auth/ICAP etc or is it as simple as getting the right lines above and it'll automatically go upstream?
Could anyone offer some pointers?
Thanks in advance,
Nick
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