These are synchronization packets that are sent between two firewalls working in a cluster, updating session tables between the firewalls. We see more than 200,000 checkpoint high availability ( CPHA) packets, 74.7% of which are sent over the network we monitored.If IPv6 and DHCPv6 are not required, disable it. In this file example, we can see two interesting issues: That is why you see a zero count for Ethernet, IPv4, and UDP end packets there are no frames where those protocols are the last protocol in the frame. These can be TCP packets with no payload (for example, SYN packets) which carry upper layer protocols. The end columns counts when the protocol is the last protocol in the packet (that is, when the protocol comes at the end of the frame).
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