546 CHAPTER 13: V LAN M ANAGEMENTneeded to complete the VLAN may not be correct. In these cases, use theRemove button in this wizard stage to remove the erroneous ports.Another reason why you might want to reject the additional portsrecommended by 3Com Network Director is if you do not require any IProuting for your VLAN. In this situation you should use the Removebutton to remove the ports 3Com Network Director has determined arerequired to connect the VLAN to the nearest Layer 3 switch.Checking the VLAN limitWhen you click the Next button on this wizard panel, 3Com NetworkDirector will check that the creation of a new VLAN will not exceed theVLAN limit of any of the switches to be configured. For example, the3Com Switch 3300 supports up to 16 VLANs. See “Reference B” onpage 575. If the VLAN limit of any switch will be exceeded, an errormessage box will be shown and you will be prevented from continuing.Configuring unsupported devices3Com Network Director will automatically create VLANs on supportedswitches – see “Reference A” on page 574 for a list of supportedswitches. If the switches that the new VLAN is to be created on includeswitches that 3Com Network Director cannot automatically configure,e.g. non-3Com switches, then you will have to configure these manuallyusing the switch’s Telnet interface, Web management interface, oranother configuration tool. The next wizard stage lists those devices thatyou will need to manually configure:
