ZyXEL Communications XGS-4526 User Manual page 225

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 97 Advanced Application > VLAN Stacking > Selective QinQ
The following table describes the labels in this screen.
Table 61 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 117
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.
Active This shows whether this rule is activated or not.
Name This is the descriptive name for this rule.
XGS-4526/4528F/4728F User's Guide
for more background information on VLAN ID.
Chapter 23 VLAN Stacking
225