ZyXEL Communications MES3500 Series, User Manual

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Chapter 24 VLAN Stacking
MES3500 Series User’s Guide
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24.4.2 Selective Q-in-Q
Selective Q-in-Q is VLAN-based. It allows the Switch to add different outer VLAN tags to the
incoming frames received on one port according to their inner VLAN tags.
Note: Selective Q-in-Q rules are only applied to single-tagged frames received on the
access ports. If the incoming frames are untagged or single-tagged but received on
a tunnel port or cannot match any selective Q-in-Q rules, the Switch applies the
port-based Q-in-Q rules to them.
Click Selective QinQ in the Advanced Application > VLAN Stacking screen to display the
screen as shown.
Figure 103
Advanced Application > VLAN Stacking > Selective QinQ
The following table describes the labels in this screen.
Table 71
Advanced Application > VLAN Stacking > Selective QinQ
LABEL DESCRIPTION
Active Check this box to activate this rule.
Name Enter a descriptive name (up to 32 printable ASCII characters) for identification purposes.
Port The port number identifies the port you are configuring.
CVID Enter a customer VLAN ID (the inner VLAN tag) from 1 to 4094. This is the VLAN tag carried in the
packets from the subscribers.
SPVID SPVID is the service provider’s VLAN ID (the outer VLAN tag). Enter the service provider ID (from
1 to 4094) for frames received on this port. See Chapter 9 on page 88 for more background
information on VLAN ID.
Priority Select a priority level (from 0 to 7). This is the service provider’s priority level that adds to the
frames received on this port.
"0" is the lowest priority level and "7" is the highest.
Add Click Add to save your changes to the Switch’s run-time memory. The Switch loses these changes
if it is turned off or loses power, so use the Save link on the top navigation panel to save your
changes to the non-volatile memory when you are done configuring.
Cancel Click Cancel to begin configuring this screen afresh.
Index This is the number of the selective VLAN stacking rule.