John is the MegaCorp Security Administrator, and is using Check Point R71. Malcolm is the Security Administrator of a partner company and is using a different vendor's product and both have to build…

John is the MegaCorp Security Administrator, and is using Check Point R71. Malcolm is the Security Administrator of a partner company and is using a different vendor's product and both have to build a VPN tunnel between their companies. Both are using clusters with Load Sharing for their firewalls and John is using ClusterXL as a Check Point clustering solution. While trying to establish the VPN, they are constantly noticing problems and the tunnel is not stable and then Malcolm notices that there seems to be 2 SPIs with the same IP from the Check Point site. How can they solve this problem and stabilize the tunnel?