I have two rvs4000's set up for a gateway to gateway vpn. Both have firmware version V1.1.09. Local and remote groups are set up properly for each end. Phase 1 and Phase 2 settings are identical. But I cannot get the tunnel established. I click connect and nothing happens. I check the vpn log and there's no evidence that a connection was even attempted. When I change to Manual Keying Mode it connects, but I cannot ping remote machines by ip address. Any ideas what the issue may be?