Priority Queuing (Ieee 802.1Q); Figure 9-20 A Q-Tag Moving Through A Vlan - Cisco ONS 15327 User Documentation

Chapter 9 Ethernet Operation

Figure 9-20 A Q-tag moving through a VLAN

1. The ONS
uses a Q-tag internally
to deliver the frame to a
specific VLAN.
2. The ONS
receives a frame with a
Q-tag and passes it on.
3. The ONS
receives a frame with a
Q-tag attached.

9.5.2 Priority Queuing (IEEE 802.1Q)

Note
June 2002
Data Flow
No tag
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Q-tag
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Q-tag
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IEEE 802.1Q was formerly IEEE 802.1P.
Q-tag
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The receiving ONS
removes the Q-tag
and forwards the frame
to the specific VLAN.
Q-tag
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The receiving ONS
receives a frame with a
Q-tag and passes it on.
Q-tag
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The receiving ONS
receives a frame with a
Q-tag and removes it.
Cisco ONS 15327 User Documentation, R3.3
VLAN Support
Q-tag
removed
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Q-tag
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Q-tag
removed
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