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<div>It is probably that the other domains have the same URL.  Check for <a href="http://www.mydns1.com">
www.mydns1.com</a> in your first conditional.</div>
<div><br>
</div>
<div>-Travis Crowder<br>
<br>
Sent from my iPhone</div>
<div><br>
On Aug 15, 2013, at 5:20 PM, "Lei Wang" <<a href="mailto:leiwang@rhapsody.com">leiwang@rhapsody.com</a>> wrote:<br>
<br>
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<div>Hi James,<br>
<br>
</div>
It is very simple like below:<br>
sub vcl_recv {<br>
  if (req.url ~ "^/my-home") {<br>
    set req.http.host = "<a href="http://www.mydns1.com">www.mydns1.com</a>";<br>
    set req.backend = backend1 ;<br>
  } elsif (req.http.host ~ "^<a href="http://www.mydns2.com">www.mydns2.com</a>") {<br>
    set req.http.host = "<a href="http://www.mydns2.com">www.mydns2.com</a>";<br>
    set req.backend = backend2<br>
  } elsif (req.http.host ~ "^<a href="http://www.mydns3.com">www.mydns3.com</a>") {<br>
    unset req.http.Accept;<br>
    set req.backend = backend3;<br>
  } elsif (req.http.host ~ "^<a href="http://www.mydns4.com">www.mydns4.com</a>") {<br>
    unset req.http.Accept;<br>
    set req.backend = backend4;<br>
  } else {<br>
    error 404 "Unknown virtual host";<br>
  }<br>
}<br>
<br>
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Thanks,<br>
<br>
</div>
Lei<br>
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<div class="gmail_extra"><br>
<br>
<div class="gmail_quote">On Thu, Aug 15, 2013 at 2:12 PM, James Pearson <span dir="ltr">
<<a href="mailto:james@ifixit.com" target="_blank">james@ifixit.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Excerpts from Lei Wang's message of 2013-08-15 11:09:13 -0700:<br>
<div class="im">> I have varnish 3 (varnish-3.0.4 revision 9f83e8f) installed to cache<br>
> multi-site in one configuration. Sometimes Varnish switched to use the<br>
> first backend in the configuration for all the requests to the other sites.<br>
> As in the sample configuration below, the request to backend2, backend3,<br>
> backend4 sometimes forwarded to backend1. Does anyone have the same problem<br>
> or know any solution, suggestion?<br>
><br>
> The varnish backend configuration is quite simple like below:<br>
><br>
</div>
> [snip]<br>
<br>
What does the rest of your config look like, specifically the part that assigns<br>
a backend?<br>
 - P<br>
<br>
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