SIP User's Manual 320 Document #: LTRT-65415
MediaPack Series
9.7.1.3 Other Related Parameters
The Multiple Interface table allows you to configure interfaces and their related parameters
such as VLAN ID, or interface name. This section lists additional parameters
complementing this table functionality.
9.7.1.3.1 Booting using DHCP
The DHCPEnable parameter enables the device to boot while acquiring an IP address from
a DHCP server. Note that when using this method, Multiple Interface table/VLANs and
other advanced configuration options are disabled.
9.7.1.3.2 Enabling VLANs
The Multiple Interface table's column "VLAN ID" assigns a VLAN ID to each of the
interfaces. Incoming traffic tagged with this VLAN ID are channeled to the related interface,
and outgoing traffic from that interface are tagged with this VLAN ID. When VLANs are
required, the parameter should be set to 1. The default value for this parameter is 0
(disabled).
9.7.1.3.3 'Native' VLAN ID
A 'Native' VLAN ID is the VLAN ID to which untagged incoming traffic are assigned.
Outgoing packets sent to this VLAN are sent only with a priority tag (VLAN ID = 0). When
the 'Native' VLAN ID is equal to one of the VLAN IDs configured in the Multiple Interface
table (and VLANs are enabled), untagged incoming traffic are considered as an incoming
traffic for that interface. Outgoing traffic sent from this interface are sent with the priority tag
(tagged with VLAN ID = 0). When the 'Native' VLAN ID is different from any value in the
"VLAN ID" column in the Multiple Interface table, untagged incoming traffic are discarded
and all the outgoing traffic are fully tagged.
The 'Native' VLAN ID is configurable using the VlanNativeVlanId parameter (refer to the
Setting up your System sub-section below). The default value of the 'Native' VLAN ID is 1.
Note: If VlanNativeVlanId is not configured (i.e., its default value of 1 occurs), but
one of the interfaces has a VLAN ID configured to 1, this interface is still
related to the 'Native' VLAN. If you do not wish to have a 'Native' VLAN ID,
and want to use VLAN ID 1, ensure that the value of the VlanNativeVlanId
parameter is different than any VLAN ID in the table.
9.7.1.3.4 Quality of Service Parameters
The device allows you to specify values for Layer-2 and Layer-3 priorities, by assigning
values to the following service classes:
Network Service class – network control traffic (ICMP, ARP)
Premium Media service class – used for RTP Media traffic
Premium Control Service class – used for Call Control traffic
Gold Service class – used for streaming applications
Bronze Service class – used for OAMP applications
The Layer-2 QoS parameters define the values for the 3 priority bits in the VLAN tag of
frames related to a specific service class (according to the IEEE 802.1p standard). 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.
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