BIG-IP : redirect loop : debugging techniques

f5 command line curl direct to web-server pool ip : curl -v -H "Host: www.mydomain.com" http://10.23.0.2/natural-language-url-1 |less * About to connect() to 10.23.0.2 port 80 (0) * Trying 10.23.0.2... connected * Connected to 10.23.0.2 (10.23.0.2) port 80 (0) > GET /natural-language-url-1 HTTP/1.1 > User-Agent: curl/7.19.7 (x86_64-redhat-linux-gnu) libcurl/7.19.7 OpenSSL/0.9.8y zlib/1.2.3 libidn/0.6.5 > Accept: */* > Host: www.mydomain.com > % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0 etc.

f5 command line curl to virtual-server vip : curl -v -H "Host: www.mydomain.com" http://10.25.0.2/natural-language-url-1 |less * About to connect() to 10.25.0.2 port 80 (0) * Trying 10.25.0.2... connected * Connected to 10.25.0.2 (10.25.0.2) port 80 (0) > GET /natural-language-url-1 HTTP/1.1 > User-Agent: curl/7.19.7 (x86_64-redhat-linux-gnu) libcurl/7.19.7 OpenSSL/0.9.8y zlib/1.2.3 libidn/0.6.5 > Accept: */* > Host: www.mydomain.com > % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0< HTTP/1.1 302 Found < Date: Fri, 27 Dec 2013 03:24:06 GMT < Server: Microsoft-IIS/6.0 < P3P: CP="CAO PSA OUR" < Etag: < X-mydomainHost: XX-XX-XX-01 < X-Powered-By: ASP.NET < PICS-Label: (PICS-1.0 "http://www.rsac.org/ratingsv01.html" l by "support@mydomain.com" on "2008.12.01T18:21-0800" exp "2035.12.31T12:00-0800" r (v 0 s 0 n 0 l 0)) < X-AspNet-Version: 4.0.30319 < Location: http://www.mydomain.com/natural-language-url-1 < Set-Cookie: lsCKE=ors=otcomqanew; domain=.mydomain.com; path=/ < Cache-Control: private < Content-Type: text/html; charset=utf-8 < Content-Length: 185 < { [data not shown] 185 185 185 185 0 0 6585 0 --:--:-- --:--:-- --:--:-- 7708* Connection 0 to host 10.25.0.2 left intact * Closing connection 0 Object moved Object moved to here. (END)