Thursday, January 13, 2011

Cluster Control Protocol mode

Switching to broadcast mode : cphaconf set_ccp broadcast

Switching to multicast mode : cphaconf set_ccp multicast

Default settings in $FWDIR/boot/ha_boot.conf are
ha_installed 1
ccp_mode broadcast

When using ClusterXL udp port 8116 is sent on all the interfaces of the gateway cluster members (except those define in $FWDIR/conf/discntd.if). UDP port 8116 is necessary for cluster health check. Checkpoint High-Availability is located between vpn-1/firewall-1 kernel and the network cards. This is the reason why security policy cant block synchronization data. So we dont need to create explicite rule in the dashboard for it. This is also the reason CCP packets should be captured via tcpdump.

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