Matrix ETERNITY Quick Start 37
VLAN Setting
If your phone is connected to a virtual LAN, you need to configure VLAN Settings.
To enable the VLAN switch to correctly route packets generated by the phone
and the computers (on the LAN) to each other, the packets must be tagged with
a VLAN header.
The VLAN header consists of the VLAN ID (12-bit) and Class of Service (CoS,
3-bit) for prioritization of traffic
2
.
The meaning of CoS bits with respect to traffic type is as follows:
• Select Phone VLAN/COS to add VLAN header to the packets generated by the
phone, and add VLAN header to the packets relayed from the PC to its LAN port
(packets generated by the PC connected to its PC port).
• To configure Phone VLAN/COS, select Enable?. The VLAN ID will be
tagged on all packets generated by the phone (SIP, RTP, DNS, ARP, etc.).
Default: Disabled.
•Select VLAN ID and enter the VLAN ID that you have assigned to the VLAN
in which the IP Phones are connected. Valid range: 0-4094. Default: 1.
2. The IEEE 802.1P standard allows Layer2 switches to prioritize the traffic, thus providing
Quality of Service (QoS), i.e. better handling of data that pass over a network, thereby
resulting in greater reliability and quality. Quality of Service (QoS) on Layer2 is referred to
as Class of Service (CoS) which is defined by IEEE 802.1P.
CoS Traffic Type
0Best Effort
1 Background
2Spare
3 Excellent Effort
4 Controlled Load
5Video
6Voice
7 Network Control
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