User's Manual

Key Considerations 571
Figure 311 Network Topology Example (1)
There are two subnets with two corresponding VLANs being used here:
subnet 140.204.232.0 and 192.168.152.0. The Switch 4007 is a Layer 3
switch, routing between the two subnets.
If subnet 140.204.232.0 was discovered first and then the 192.168.152.0
subnet was discovered in a second network discovery operation, 3Com
Network Director would incorrectly display the network topology as
follows: