R3303-HP HSR6800 Routers High Availability Configuration Guide

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VRRP packets are encapsulated in IP packets, with the protocol number being 112. Figure 34 shows the
IPv4 VRRPv2 packet format, Figure 35 sh
ows the IPv4 VRRPv2 packet format, and Figure 36 shows the
VRRPv3 packet format.
Figure 34 IPv4 VRRPv2 packet format
Figure 35 IPv6 VRRPv2 packet format
...
Version Type Virtual Rtr ID Priority Count IPv6 Addrs
Auth Type Adver Int Checksum
IPv6 address 1
Authentication data 1
Authentication data 2
IPv6 address n
0 7 15 23 313