AudioCodes Media 800 MSBR User Manual

User's Manual 124 Document #: LTRT-12809
Mediant 800 MSBR
configure a routing rule, the device sends a notification message to the Syslog server
reporting the problem.
Common routing rule configuration errors may include the following:

The IP address specified in the 'Gateway IP Address' field is unreachable from the
interface specified in the 'Interface Name' field.

The same destination is configured in two different routing rules.

More than 30 routing rules have been configured.
Note: If an IP routing rule is required to access OAMP applications (for remote
management, for example) and the route is not configured correctly, the route
is not added and the device is not accessible remotely. To restore
connectivity, the device must be accessed locally from the OAMP subnet and
the required routes be configured.
14.3 Configuring Quality of Service
The Diff Serv Table page is used for configuring the Layer-2 and Layer-3 Quality of Service
(QoS) parameters for VoIP. Differentiated Services (DiffServ) is an architecture providing
different types or levels of service for IP traffic. DiffServ (according to RFC 2474),
prioritizes certain traffic types based on their priority, thereby, accomplishing a higher-level
QoS at the expense of other traffic types. By prioritizing packets, DiffServ routers can
minimize transmission delays for time-sensitive packets such as VoIP packets.
You can assign DiffServ to four classes of traffic and assign VLAN priorities (IEEE 802.1p)
to various values of DiffServ:

Premium Media service class – used for RTP media traffic

Premium Control service class – used for call control (i.e., SIP) traffic

Gold service class – used for streaming applications

Bronze service class – used for OAMP applications
The Layer-3 QoS parameters define the values of the DiffServ field in the IP header of the
frames related to a specific service class. The Layer-2 QoS parameters define the values
for the 3 priority bits in the VLAN tag (according to the IEEE 802.1p standard) according to
the value of the DiffServ field found in the packet IP header.
The DiffServ Table (DiffServToVlanPriority) allows you to configure up to 64 DiffServ-to-
VLAN Priority mapping (Layer 2 class of service). For each packet sent to the LAN, the
VLAN Priority of the packet is set according to the DiffServ value in the IP header of the
packet.
The mapping of an application to its CoS and traffic type is shown in the table below:
Traffic/Network Types and Priority
Application Traffic / Network Types Class-of-Service (Priority)
Debugging interface
Management Bronze
Telnet
Management Bronze
DHCP
Management Network
Web server (HTTP)
Management Bronze
SNMP GET/SET
Management Bronze
Web server (HTTPS)
Management Bronze
RTP traffic
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AudioCodes Media 800 MSBR Specifications

General

Brand	AudioCodes
Model	Media 800 MSBR
Category	Network Router
Language	English