D-Link DES-3326SR User Manual page 130

DES-3326SR Layer 3 Fast Ethernet Switch User's Guide
Packet Length
Router ID
Area ID
Checksum
Type Description
1 Hello
2 Database
Description
3 Link-State
Request
4 Link-State Update
5 Link-State
Acknowledgment
The length of the packet
in bytes. This length
includes the 24
header.
The Router ID of the
packet's source.
A 32-bit
identifying the area that
this packet belongs to.
All OSPF packets
associated with a single
area. Packets traversing
a virtual link are assigned
the backbone Area ID of
0.0.0.0
A standard IP checksum
that includes all of the
packet's contents except
for the
authentication field.
118
byte
number
are
64-bit