3Com SuperStack II Manual page 179

b Use the VLAN Setup page of the web interface to place ports 4 and 7
in VLANs 1 and 2 using 802.1Q tagging.
c Use the Port Setup page of the web interface to specify that port 26
uses VLT tagging.
2 Connect port 26 on the Switch 1100 to port 1 on the Switch 3000
10/100.
Figure 37 Connecting to legacy VLANs using VLTs
To configure the Switch 1000, Switch 3000 10/100 and router, refer to
the user documentation supplied with them.
VLAN Configuration - Advanced Examples 179