Vlan Stacking Port Roles; Figure 55 Vlan Stacking Example - ZyXEL Communications MS-7206 User Manual

Chapter 26 VLAN Stacking

Figure 55 VLAN Stacking Example

26.2 VLAN Stacking Port Roles

Each port can have these VLAN stacking "roles": Access Port and Tunnel (the latter is for
Gigabit ports only).
• Select Access Port for ingress ports on the service provider's edge devices (1 and 2 in the
VLAN stacking example figure). The incoming frame is treated as "untagged", so a
second VLAN tag (outer VLAN tag) can be added.
Static VLAN Tx Tagging MUST be disabled on a port where you choose
Normal or Access Port.
• Select Tunnel Port (available for Gigabit ports only) for egress ports at the edge of the
service provider's network. All VLANs belonging to a customer can be aggregated into a
single service provider's VLAN (using the outer VLAN tag defined by SP VID).
Static VLAN Tx Tagging MUST be enabled on a port where you choose
Tunnel Port.
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