D-Link DES-3326S manual Hello Packet, 144

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide

Hello Packet

Version No. 1

Packet Length

Router ID

Area ID

		Checksum	Authentication Type
			Authentication
			Authentication
			Network Mask
		Hello Interval	Options		Router Priority
			Router Dead Interval
			Designated Router
			Backup Designated Router
			Neighbor
		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
144			Switch Management and Operating Concepts