AudioCodes MediaPack 114 Manual de usuario descargar pdf (Pagina 370)

SIP User's Manual 370 Document #: LTRT-65411

MediaPack Series

The device can be configured to set a different DiffServ value to IP packets according to

their class-of-service: Network, Premium Media, Premium Control, Gold, and Bronze. The

DiffServ parameters are described in ''Networking Parameters'' on page 236.

For the m

apping of an application to its class-of-service, refer to ''IEEE 802.1p/Q (VLANs

and Priority)'' on page 370.

8.8 VLANS and Multiple IPs

8.8.1 Multiple IPs

Media, Control, and Management (OAMP) traffic in the device can be assigned one of the

following IP addressing schemes:

 Single IP address for all traffic (i.e., for Media, Control, and OAMP).

 Separate IP address for each of the three traffic types: The different traffic types

are separated into three dedicated networks. Instead of a single IP address, the device

is assigned three IP addresses and subnet masks, each relating to a different traffic

type. This architecture enables you to integrate the device into a three-network

environment that is focused on security and segregation. Each entity in the device

(e.g., Web and RTP) is mapped to a single traffic type (according to the table in ''IEEE

802.1p/Q (VLANs and Priority)'' on page 370) in which it operate

 Dual IP mode: The device is assigned two IP addresses for the different traffic types.

One IP address is assigned to a combination of two traffic types (Media and Control,

OAMP and Control, or OAMP and Media), while the other IP address is assigned to

whichever traffic type not included in this combination. For example, a typical scenario

using this mode includes one IP address assigned to Control and OAMP, and another

IP address assigned to Media.

For detailed information on integrating the device into a VLAN and multiple IPs network,

refer to ''Getting Started with VLANS and Multiple IPs'' on page 373. F

or detailed

information on configuring the multiple IP parameters, refer to ''Networking Parameters'' on

page 236.

Notes:

• A default Gateway is supported only for the Media traffic type; for Control

and OAM traffic, use the 'IP Routing' table (refer to ''Configuring the IP

Routing Table'' on page 63).

• The IP address and subnet mask used in the Single IP Network mode are

used for the OAM traffic type in the Multiple IP Network mode.

8.8.2 IEEE 802.1p/Q (VLANs and Priority)

The Virtual Local Area Network (VLAN) mechanism enables the device to be integrated into

a VLAN-aware environment that includes switches, routers and endpoints. When in VLAN-

enabled mode, each packet is tagged with values that specify its priority (class-of-service /

IEEE 802.1p) and the identifier (traffic type) of the VLAN to which it belongs (Media,

Control, or OAMP / IEEE 802.1Q).

The class-of-service (CoS) mechanism can be utilized to accomplish Ethernet Quality of

Service (QoS). Packets sent by the device to the Ethernet network are divided into five

different-priority classes (Network, Premium Media, Premium Control, Gold, and Bronze).

The priority of each class is determined by a corresponding ini file parameter.

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