ZyXEL Communications Plumbing Product metrogigabit switch User Manual

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Chapter 9 VLAN
MGS3700-12C User’s Guide
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for ARP traffic received on port 1, 2 and 3. You also have a protocol based VLAN B 
with priority 2 for Apple Talk traffic received on port 6 and 7. All upstream ARP 
traffic from port 1, 2 and 3 will be grouped together, and all upstream Apple Talk 
traffic from port 6 and 7 will be in another group and have higher priority than ARP 
traffic, when they go through the uplink port to a backbone switch C.
Figure 54   Protocol Based VLAN Application Example 
9.9  Configuring Protocol Based VLAN     
Click Protocol Based VLAN in the VLAN Port Setting screen to display the 
configuration screen as shown. 
Note: Protocol-based VLAN applies to un-tagged packets and is applicable only when 
you use IEEE 802.1Q tagged VLAN.
Figure 55   Advanced Application > VLAN > VLAN Port Setting > Protocol Based 
VLAN