User’s Manual of GS-4210-16T2S_24T2S_16P2S_24P2S_48T4S
Guest Voice Signaling - for use in network topologies that require a different
policy for the guest voice signaling than for the guest voice media. This
application type should not be advertised if all the same network policies apply as
those advertised in the Guest Voice application policy.
Softphone Voice - for use by softphone applications on typical data centric
devices, such as PCs or laptops. This class of endpoints frequently does not
support multiple VLANs, if at all, and are typically configured to use an 'untagged’
VLAN or a single 'tagged’ data specific VLAN. When a network policy is defined
for use with an 'untagged’ VLAN (see Tagged flag below), then the L2 priority
field is ignored and only the DSCP value has relevance.
Video Conferencing - for use by dedicated Video Conferencing equipment and
other similar appliances supporting real-time interactive video/audio services.
App Streaming Video - for use by broadcast or multicast based video content
distribution and other similar applications supporting streaming video services
that require specific network policy treatment. Video applications relying on TCP
with buffering would not be an intended use of this application type.
Video Signaling -
for use in network topologies that require a separate policy for
the video signaling than for the video media. This application type should not be
advertised if all the same network policies apply as those advertised in the Video
Conferencing application policy.
• VLAN ID
VLAN identifier (VID) for the port as defined in IEEE 802.1Q-2003. The range is
1-4095.
• VLAN Tag
Tagged indicates that the device is using the IEEE 802.1Q tagged frame format,
and that both the VLAN ID and the Layer 2 priority values are being used, as well
as the DSCP value. The tagged format includes an additional field, known as the
tag header. The tagged frame format also includes priority tagged frames as
defined by IEEE 802.1Q-2003.
Untagged indicates that the device is using an untagged frame format and as
such does not include a tag header as defined by IEEE 802.1Q-2003. In this
case, both the VLAN ID and the Layer 2 priority fields are ignored and only the
DSCP value has relevance.
• L2 Priority
L2 Priority is the Layer 2 priority to be used for the specified application type. L2
Priority may specify one of eight priority levels (0 through 7), as defined by IEEE
802.1D-2004. A value of 0 represents use of the default priority as defined in
IEEE 802.1D-2004.
• DSCP Value
DSCP value to be used to provide Diffserv node behavior for the specified
application type as defined in IETF RFC 2474. DSCP may contain one of 64
code point values (0 through 63). A value of 0 represents use of the default
DSCP value as defined in RFC 2475.
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