The Blue Coat recommendation is to have a single Check Point Synchronization network and configure a backup interface using the redundancy interface feature of XOS. Using two Sync networks may lead to the above symptoms with high latency.
Change Check Point Topology to use a single Synchronization network and configure redundancy-interface in XOS.
Temporarily shutdown the secondary sync network to verify if the latency issue is introduced by the secondary Sync network.
configure circuit sync2 no link-state-resistant configure interface ethernet 2/8 no enable