Hello,
I have Zen configured to load balance 4 back-end Oracle JD Edwards
application web servers. The load balancer works great with local LAN
client connections but, when our remote office users connect over our
2Mb/s dedicated WAN link, our 100Mb/s dedicated Metropolitan WAN link,
or our VPN connections via the Internet, their sessions time-out and
their connection gets dropped. If they bypass the load balancer and
connect directly to the JD Edwards servers, there is no problem.
I have the farm configured with the TCP profile and the following
settings:
Farm's name = WEBJDE
Load Balance Algorithm: Enable client ip address persistence through
memory.
Max number of clients memorized in the farm = 2049
Backend response timeout secs = 10
Max number of simultaneous connections that manage in Virtual IP = 257
Max number of real ip servers = 10
Add X-Forwarded-For header to http requests = Unchecked
Frequency to check resurrected backends = 30
Use FarmGuardian to check Backend Servers = Checked
Check every 10 seconds.
Command to check = check_http -l HOST -p PORT -w 10 -c 15 -t 15 -e
HTTP/1
Active logs = Checked
Farm Virtual IP and Virtual port = 10.0.0.80 80
I suspect some latency issues with the WAN and VPN but other systems do
not experience this problem.
Could you suggest something for me to change?
Tom Stone
Sr. Systems Administrator
BouMatic
PO Box 8050
1919 S. Stoughton Rd.
Madison WI 53716
[email protected] (email)
608-316-3402 (voice)
608-222-0052 (fax)
http://www.boumatic.com <http://www.boumatic.com/>
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