HP 6120XG HP ProCurve Series 6120 Blade Switches Advanced Traffic Management G - Page 43
Untagged VLAN Operation, Tagged Packet Forwarding
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Port "X" receives an inbound, untagged Packet. Static Virtual LANs (VLANs) VLAN Operating Rules Is the port an untagged No member of any VLANs? Drop the packet. Yes Does the packet's protocol match the protocol of Yes an untagged VLAN membership on the port? No Is the port a member of an untagged, No port-based VLAN? Forward the packet on that protocol VLAN. Drop the packet. Yes Forward the packet on the port-based VLAN. Figure 2-7. Untagged VLAN Operation ■ Tagged Packet Forwarding: If a port is a tagged member of the same VLAN as an inbound, tagged packet received on that port, then the switch forwards the packet to an outbound port on that VLAN. (To enable the forwarding of tagged packets, any VLAN to which the port belongs as a 2-15
2-15
Static Virtual LANs (VLANs)
VLAN Operating Rules
Figure 2-7.
Untagged VLAN Operation
■
Tagged Packet Forwarding:
If a port is a tagged member of the same
VLAN as an inbound, tagged packet received on that port, then the switch
forwards the packet to an outbound port on that VLAN. (To enable the
forwarding of tagged packets, any VLAN to which the port belongs as a
Yes
Port “X” receives
an inbound,
untagged Packet.
Is the
port an untagged
member of any
VLANs?
No
Does the
packet’s protocol
match the protocol of
an untagged VLAN
membership on
the port?
Drop the
packet.
No
Yes
Forward the
packet on that
protocol VLAN.
Is the
port a member
of an untagged,
port-based
VLAN?
No
Drop the
packet.
Yes
Forward the
packet on the
port-based VLAN.