Hi,
We are using an ACE engine module(ACE20-MOD-K9) provide loading balancing service for two WEB servers and configured cookie for stickness. Below is the current configuration and it seems working fine now.
The problem I was facing is before use parameter-map change the http header length to 8k the stickness doesn't really working properly. User complains that their working session constantly be kicked out and redirect them to login page. By tracing traffic from a client we found that sometime ACE fails or stop insert the configured cookie, after increase the header length ACE start getting work.
Here my question is, how does the header length setup effect ACE to insert a cookie? Will the cookie insert attmpt fail if the header is longer then the maximum length configured on ACE?
sticky http-cookie appweb.apps.com appweb.apps.com_80
cookie insert
replicate sticky
serverfarm appweb.apps.com_80
parameter-map type http COOKIE_PAR
case-insensitive
persistence-rebalance
set header-maxparse-length 8196
set content-maxparse-length 8096
length-exceed continue
policy-map multi-match global
class SNAT
nat dynamic 1 vlan 102
class vip_appweb.apps.com_80
loadbalance vip inservice
loadbalance policy lb_appweb.apps.com_80
loadbalance vip icmp-reply active
appl-parameter http advanced-options COOKIE_PAR
policy-map type loadbalance first-match lb_appweb.apps.com_80
class class-default
sticky-serverfarm appweb.apps.com_80
class-map match-any vip_appweb.apps.com_80
2 match virtual-address 192.168.120.23 tcp eq www
