Hi,
The IPSec site to site VPN's no longer work after moving to a clustered environment. I deleted and recreated the VPN details and no improvement.
Created a SSL site to site and that connects OK.
Extract from the IPSec log file shows the following error:
2010:04:24-16:17:30 mercury-3 ipsec_starter[6727]: no default route - cannot cope with %defaultroute!!!
2010:04:24-16:17:30 mercury-3 pluto[6729]: added connection description "S_REF_CJNBXnBlTA_0"
2010:04:24-16:17:30 mercury-3 pluto[6729]: forgetting secrets
2010:04:24-16:17:30 mercury-3 pluto[6729]: loading secrets from "/etc/ipsec.secrets"
2010:04:24-16:17:30 mercury-3 pluto[6729]: loaded shared key for X.X.X.X Y.Y.Y.Y
2010:04:24-16:17:30 mercury-3 pluto[6729]: loaded private key from 'REF_IkijnKVcwf.pem'
2010:04:24-16:17:30 mercury-3 pluto[6729]: loaded shared key for X.X.X.X Y.Y.Y.Y
2010:04:24-16:17:30 mercury-3 pluto[6729]: loading ca certificates from '/etc/ipsec.d/cacerts'
2010:04:24-16:17:30 mercury-3 pluto[6729]: loaded ca certificate from '/etc/ipsec.d/cacerts/R***.pem'
2010:04:24-16:17:30 mercury-3 pluto[6729]: loading aa certificates from '/etc/ipsec.d/aacerts'
2010:04:24-16:17:30 mercury-3 pluto[6729]: loading ocsp certificates from '/etc/ipsec.d/ocspcerts'
2010:04:24-16:17:30 mercury-3 pluto[6729]: loading attribute certificates from '/etc/ipsec.d/acerts'
2010:04:24-16:17:30 mercury-3 pluto[6729]: Changing to directory '/etc/ipsec.d/crls'
2010:04:24-16:17:30 mercury-1 ipsec_starter[5555]: no default route - cannot cope with %defaultroute!!!
2010:04:24-16:17:30 mercury-1 pluto[5557]: added connection description "S_REF_CJNBXnBlTA_0"
2010:04:24-16:17:30 mercury-1 pluto[5557]: forgetting secrets
2010:04:24-16:17:30 mercury-1 pluto[5557]: loading secrets from "/etc/ipsec.secrets"
2010:04:24-16:17:30 mercury-1 pluto[5557]: loaded shared key for X.X.X.X Y.Y.Y.Y
2010:04:24-16:17:30 mercury-1 pluto[5557]: loaded private key from 'REF_IkijnKVcwf.pem'
2010:04:24-16:17:30 mercury-1 pluto[5557]: loaded shared key for X.X.X.X Y.Y.Y.Y
2010:04:24-16:17:30 mercury-1 pluto[5557]: loading ca certificates from '/etc/ipsec.d/cacerts'
2010:04:24-16:17:31 mercury-1 pluto[5557]: loaded ca certificate from '/etc/ipsec.d/cacerts/R***.pem'
2010:04:24-16:17:31 mercury-1 pluto[5557]: loading aa certificates from '/etc/ipsec.d/aacerts'
2010:04:24-16:17:31 mercury-1 pluto[5557]: loading ocsp certificates from '/etc/ipsec.d/ocspcerts'
2010:04:24-16:17:31 mercury-1 pluto[5557]: loading attribute certificates from '/etc/ipsec.d/acerts'
2010:04:24-16:17:31 mercury-1 pluto[5557]: Changing to directory '/etc/ipsec.d/crls'