RAD Data comm IPmux-11 - Manual (Page 34)

Chapter 1 Introduction Installation and Operation Manual
1-20 Functional Description IPmux-11 Ver. 2.00
Table 1-12. Mode C
Ingress Egress
If a tagged frame enters the transparent port, it
is switched to the tagged port
• If the tagged port is not a member of the frame’s VID,
the frame is discarded
• The tagged port is a member of the frame’s VID, the
frame is transmitted unmodified (tagged)
• If a tagged frame enters the tagged port,
which is not a member of its VID, the frame
is discarded
• If a tagged frame enters the tagged port,
which is a member of its VID, the frame is
switched to all other members
The transparent port transmits the frame unmodified
(tagged)
If an untagged frame enters the transparent port,
it is switched to the tagged port
• If the tagged port is not a member of the transparent
port default VID, the frame is discarded
• If the tagged port is a member of the transparent port
default VID, it adds tag (VID is the transparent port
default VID and PRI is the transparent port default
PRI), and transmits the frame tagged
• If an untagged frame enters the tagged port,
which is not a member of its default VID, the
frame is discarded
• If an untagged frame enters the tagged port,
which is a member of its VID, the frame is
switched to all other members
The transparent port transmits the frame unmodified
(untagged).
Table 1-13. Mode D
Ingress Egress
If a tagged frame enters an untagged port, it is
switched to the other untagged port The untagged port removes the tag, andtransmits the
frame untagged
If an untagged frame enters an untagged port, it
is switched to the other transparent port
The untagged port transmits the frame unmodified
(untagged)