User's Manual

Key Concepts 513
If the above network was additionally configured like this:
Figure 266 Example Configuration
3Com Network Director would not infer that the VLANs with IDs 4, 5 and
6 are the same. In this case, 3Com Network Director will list these VLANs
separately:
eng VLAN (ID=2)
admin VLAN (ID=3)
Accounts (ID=4)
Accounts (ID=5)
Accounts (ID=6)
Although this network configuration would work, it is good practice to
use VLAN IDs consistently. Hence 3Com Network Director would log an
entry in the Misconfigurations Report for this network. See “
Inconsistent
VLAN IDs” on page 535.
Restrictions on VLAN support in 3Com Network Director
■ Older 3Com switches (e.g. the Switch 1000 and Switch 3000)
supported VLANs based on a proprietary mechanism called VLT