Enterasys Vertical Horizon VH-2402S Web Management Manual page 57

Use the Port Trunking Configuration screen to set up port trunks as shown
below:
Parameter
Trunk Number
Unit
Port
The RJ-45 ports used for each trunk must all be on the same internal
switch chip. The port groups permitted include:
Group 1
1,2,3,4,
13,14,15,16
Only two 100Mbps fiber ports can be configured as a trunk and these
must be on the same module. 1000Base-SX/LX ports can be trunked to
any other like uplink port in the stack.
9033821
Figure 3-44. Port Trunk Configuration
Description
A unique identifier for this trunk. You can configure up to five
trunks per standalone switch, or up to 12 for an entire stack.
The switch unit this trunk is configured for.
The port members of this trunk. Select from 2 ~ 4 ports per
trunk.
Group 2
5,6,7,8,
17,18,19,20
Group 3
9,10,11,12,
21,22,23,24
Configuring and Monitoring the Switch 51