QoS Configuration
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Chapter 4: Using Web Manager for Configuration
Edge 5000 Installation / Configuration Guide
QoS Configuration
Diffserv Configuration
On the QoS screen, the DiffServ Code Point (DSCP) and VLAN parameters are defined. DSCP
or ToS establishes the priority of voice packets. Compatible routers apply the DSCP for packet
priority, handling higher priority packets first. However, at congested routers, higher priority
packets are discarded first. Thus, a median value for DSCP is recommended.
IEEE 802.1Q
The VLAN tag defines the priority for Ethernet frames and the VLAN ID based on IEEE
802.1p/Q. The IP Phone PC and LAN (voice) ports use separate VLAN tags. With a VLAN ID
assigned, only frames with the Id are accepted and frames sent by the IP Phone include the
LAN port Id and priority. In addition, the PC, LAN switch ports and the default gateway must be
assigned to employ the VLAN tags for proper operation.
Release 1.0
September 2010
Summary of Contents for Edge 5000
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