12-01-2011 06:30 PM
Hello,
We have a CSS 11503 with the following partial config
==================
service 10.10.10.221-1724
ip address 10.10.10.1
keepalive type tcp
port 1724
keepalive port 1724
active
service 10.10.10.222-1724
ip address 10.10.10.1
keepalive type tcp
keepalive port 1724
port 1724
string string1
active
content 10.10.10.1-80-website
vip address 10.10.10.1
no persistent
advanced-balance arrowpoint-cookie
add service 10.10.10.221-1724
add service 10.10.10.222-1724
port 80
protocol tcp
url "/*"
active
============================
There is connectivity from CSS to both IP's, 10.10.10.221 and 10.10.10.222. Problem we face is as following:
When capturing packets using wireshark, we see that the client machine sends re-transmission on "HTTP Get" and evantually times out.
With behavior above, it is clear that the server at 10.10.10.222 is active. What we cannot understand is why web site is inaccessible thru load balancer using http://10.10.10.1.
Please help.
Thanks,
Paresh.
12-02-2011 03:13 AM
Hi Paresh,
To troubleshoot this, I would recommend doing a traffic capture on the server vlan to see what is really happening with the connection.
One thing worth checking would be comparing the routing configured on both servers. If the traffic back from the server towards the client is not going through the CSS, the connection would fail, with the exact symptoms you are describing.
Regards
Daniel
12-02-2011 06:31 AM
Hi Daniel,
Thanks for your post. We did plan on packet capture on device between .222 server and load balancer and will add item to check routing on. 222 server. Good point.
Thanks again,
Paresh.
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