Specifications

Getting Started with HP ProCurve Switching and Routing
Module 2 – 46 Rev. 9.41
Extension of VLANs across switches
As you have seen, a VLAN can be extended across switches. To forward VLAN
traffic to another switch, the switch's uplink port must be a member of that VLAN.
The uplink ports that connect two switches must have the same VLAN tagging.
For HP Internal Use Only