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OSD NETWORKS OSD2254EP User Manual

OSD NETWORKS OSD2254EP
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PAGE 50 10115208
OSD2254EP Operator Manual
MANAGEMENT VLAN
The VLAN associated with the IP interface. Only ports in this VLAN will be able to
access the IP interface.
Port VLAN Configuration
PORT NO
Displays port number per row
MODE
A drop-down menu allows user settings for the following;
Access: Access ports are normally used to connect to end
stations. Dynamic features like Voice VLAN may add the port to
more VLANs behind the scenes. Access ports have the following
characteristics:
Member of exactly one VLAN, the Port VLAN (a.k.a.
Access VLAN), which by default is 1
Accepts untagged frames
Discards all frames not classified to the Access VLAN
On egress all frames are transmitted untagged
Trunk: Trunk ports can carry traffic on multiple VLANs
simultaneously, and are normally used to connect to other
switches. Trunk ports have the following characteristics:
The VLANs that a trunk port is member of may be limited by the
use of Allowed VLANs
Frames classified to a VLAN that the port is not a member
of are discarded
By default, all frames but frames classified to the Port
VLAN (a.k.a. Native VLAN) get tagged on egress. Frames
classified to the Port VLAN do not get C-tagged on egress
Egress tagging can be changed to tag all frames, in which
case only tagged frames are accepted on ingress
Hybrid: Hybrid ports resemble trunk ports in many ways, but
adds additional port configuration features. In addition to the
characteristics described for trunk ports, hybrid ports have these
abilities:
Can be configured to be VLAN tag unaware
Ingress filtering can be controlled
Ingress acceptance of frames and configuration of egress
tagging can be configured independently
PORT VLAN
Determines the port's VLAN ID (a.k.a. PVID). Allowed VLANs are in the
range 1 through 4095, default being 1.
On ingress, frames get classified to the Port VLAN if the port is
configured as VLAN unaware, the frame is untagged, or VLAN
awareness is enabled on the port, but the frame is priority tagged (VLAN
ID = 0).
On egress, frames classified to the Port VLAN do not get tagged if
Egress Tagging configuration is set to untag Port VLAN.
The Port VLAN is called an "Access VLAN" for ports in Access mode and
Native VLAN for ports in Trunk or Hybrid mode.
TAGGED VLAN (TAGGED)
Ports in Trunk and Hybrid mode may control which VLANs they are allowed
to become members of. Access ports can only be member of one VLAN, the
Access VLAN.

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OSD NETWORKS OSD2254EP Specifications

General IconGeneral
BrandOSD NETWORKS
ModelOSD2254EP
CategorySwitch
LanguageEnglish