3Com 3 Feature Switch 4200 Family Automatic IP Configuration, Port Status, Port Speed, Fast Start

About the Switch 4200 Series 17

Default Settings Table 5 shows the default settings for the Switch 4200 Family:

Table 5 Default Settings

Feature	Switch 4200 Family
Automatic IP Configuration	Enabled
Port Status	Enabled
Port Speed	All ports are auto-negotiated, except SFP ports
Duplex Mode	All ports are auto-negotiated, except SFP ports
Flow Control	■ Enabled in half duplex
	■ Auto-negotiated in full duplex
Broadcast Storm Control	Enabled
Virtual LANs (VLANs)	All ports belong to the untagged Default VLAN
	(VLAN 1) with IEEE802.1Q learning operational
IP Multicast Filtering	Filtering enabled
Rapid Spanning Tree Protocol	Enabled
Fast Start	Enabled on all 10/100 Mbps ports
	Disabled on all 1000 Mbps ports
RMON Alarm	Enabled
Smart Auto-Sensing	Enabled
LACP	(10/100/1000BASE-T ports and SFP ports only)
	Disabled
Quality of Service (QoS)	All ports prioritize NBX VoIP IP.
	All ports set to “best effort” for all other traffic.
HOL Protection (QoS)	18 Kb

If you initialize a Switch unit by selecting System > Control > Initialize in the Web interface or by entering system control initialize in the Command Line Interface, the following settings are retained to allow you to connect to and manage the Switch:

■IP Address

■Subnet Mask

■Default Router