SpectraLink SVP020, SVP100, SVP010 manual QoS Configuration

SpectraLink Corporation	Installation, Configuration, and Administration
	NetLink SVP Server (within IP environments)

QoS Configuration

DSCP tags set packet priorities for QoS.

DSCP Tag

DSCP (Differentiated Services Code Point) is a QoS mechanism for setting relative priorities. Packets are tagged with a DSCP field in the IP header. The decimal value may be set as a number from 0-63 and may be different for each traffic class listed on the screen.

•Administration tags set the priority for telnet, TFTP, and other administrative traffic. Administrative traffic can have the lowest priority because it does not require voice quality.

•WT (In call) traffic requires voice quality and may be set to a higher priority than WT (Standby) traffic.

•RTP traffic is the audio traffic to the IP PBX. It requires voice quality.

•PBX traffic is not audio to the PBX.

•Inter-SVP2traffic is the information-passing protocol that SVP Servers use to communicate with each other.

When forwarding packets, the SVP Server shall always overwrite the received DSCP value. The final DSCP tag for packets in each of the traffic classes are assigned a DSCP value based on the following rules. (Please see table on next page.)

•If both Administration and the Traffic Class setting is Default, the

Default value as shown in the table below will be used.

•If Administration is set at any number (Value X) other than Default, that setting (Value X) it will override the Default value of the Traffic Class.

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