3Com 3C17205 Getting Started Guide - Page 20

Default Settings, Rapid Spanning Tree Protocol

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20 CHAPTER 1: INTRODUCING THE SUPERSTACK 3 SWITCH 4400 Default Settings WARNING: When an Expansion Module is not installed, ensure the blanking plate is fitted by tightening all screws with a suitable tool. Table 5 shows the default settings for the Switch 4400: Table 5 Default Settings Feature Switch 4400 Automatic IP Configuration Enabled Port Status Enabled Port Speed 10/100 Mbps ports are auto-negotiated TR-RJ ports (3C17210) are fixed at 100 Mbps Duplex Mode All fixed 10BASE-T and 100BASE-TX ports are auto-negotiated 100BASE-FX ports default to full-duplex mode (100 FD) and must be manually set to half-duplex mode (100 HD) if required. Power over Ethernet Enabled (3C17205 only) Flow Control ■ Enabled in half-duplex mode ■ Auto-negotiated in full-duplex mode Broadcast Storm Control Enabled Virtual LANs (VLANs) All ports belong to the untagged Default VLAN (VLAN 1) with IEEE Std 802.1Q-1998 learning operational Link Aggregation Control Protocol (LACP) Disabled per port IP Multicast Filtering Filtering enabled Rapid Spanning Tree Protocol Enabled Fast Start ■ Enabled on front panel ports ■ Disabled on rear panel port RMON Alarm Enabled Smart Auto-Sensing Enabled Webcache Support Disabled Traffic Prioritization All ports prioritize NBX VoIP traffic (LAN and IP). All ports set to "best effort" for all other traffic. Port Security Disabled per port Configuration Save and Restore Disabled

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20
C
HAPTER
1: I
NTRODUCING
THE
S
UPER
S
TACK
3 S
WITCH
4400
WARNING:
When an Expansion Module is not installed, ensure the
blanking plate is fitted by tightening all screws with a suitable tool.
Default Settings
Table 5 shows the default settings for the Switch 4400:
Table 5
Default Settings
Feature
Switch 4400
Automatic IP Configuration
Enabled
Port Status
Enabled
Port Speed
10/100 Mbps ports are auto-negotiated
TR-RJ ports (3C17210) are fixed at 100 Mbps
Duplex Mode
All fixed 10BASE-T and 100BASE-TX ports are
auto-negotiated
100BASE-FX ports default to full-duplex mode
(100 FD) and must be manually set to half-duplex
mode (100 HD) if required.
Power over Ethernet
Enabled (3C17205 only)
Flow Control
■
Enabled in half-duplex mode
■
Auto-negotiated in full-duplex mode
Broadcast Storm Control
Enabled
Virtual LANs (VLANs)
All ports belong to the untagged Default VLAN
(VLAN 1) with IEEE Std 802.1Q-1998 learning
operational
Link Aggregation Control
Protocol (LACP)
Disabled per port
IP Multicast Filtering
Filtering enabled
Rapid Spanning Tree Protocol
Enabled
Fast Start
■
Enabled on front panel ports
■
Disabled on rear panel port
RMON Alarm
Enabled
Smart Auto-Sensing
Enabled
Webcache Support
Disabled
Traffic Prioritization
All ports prioritize NBX VoIP traffic (LAN and IP).
All ports set to “best effort” for all other traffic.
Port Security
Disabled per port
Configuration Save and
Restore
Disabled