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DES-3326S Layer 3 Fast Ethernet Switch User’s Guide
144 Switch Management and Operating Concepts
Hello Packet
1
Router ID
Area ID
Version No.
Checksum Auth
Authentication
Authentication
Network Mask
Hello Interval
Optio
Router Dead Interval
Designated Router
Backup Designated Rout
Neighbor
Packet Length
entication Type
ns Router Priority
er
Figure 5-23. Hello Packet
Field Description
Network Mask The network mask
associated with this
interface.
Options The optional capabilities
supported by the router.
Hello Interval The number of seconds
between this router’s
Hello packets.
Router Priority This router’s Router
Priority The Router