D-Link DES-3326S manual Network Links Advertisements, 160

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

	are	given,	this	field
	should be set to 0.
TOS 0 Metric	The	cost of	using	this
	router link for TOS 0.

Table 5-21. Routers Links Advertisements − Continued

For each link, separate metrics may be specified for each Type of Service (TOS). The metric for TOS 0 must always be included, and was discussed above. Metrics for non-zero TOS are described below. Note that the cost for non-zero TOS values that are not specified defaults to the TOS 0 cost. Metrics must be listed in order of increasing TOS encoding. For example, the metric for TOS 16 must always follow the metric for TOS 8 when both are specified.

Field	Description
TOS	IP Type of Service that
	this metric refers to.
Metric	The cost of using this
	outbound router link, for
	traffic of the specified
	TOS.

Table 5-22. Routers Links Advertisement − Continued

Network Links Advertisements

Network links advertisements are Type 2 link state advertisements. A network links advertisement is originated for each transit network in the area. A transit network is a multi-access network that has more than one attached router. The network links advertisement is originated by the network’s Designated router. The advertisement describes all routers

160 Switch Management and Operating Concepts