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STP Bridge Global Settings, Edge Port, P2P Port, 1D-1998/802.1D-2004/802.1Q-2005 Compatibility

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DWS-3160 Series Gigabit Ethernet Unified Switch Web UI Reference Guide the topology to stabilize before transitioning to a forwarding state. In order to allow this rapid transition, the protocol introduces two new variables: the edge port and the point-to-point (P2P) port. Edge Port The edge port is a configurable designation used for a port that is directly connected to a segment where a loop cannot be created. An example would be a port connected directly to a single workstation. Ports that are designated as edge ports transition to a forwarding state immediately without going through the listening and learning states. An edge port loses its status if it receives a BPDU packet, immediately becoming a normal spanning tree port. P2P Port A P2P port is also capable of rapid transition. P2P ports may be used to connect to other bridges. Under RSTP/MSTP, all ports operating in full-duplex mode are considered to be P2P ports, unless manually overridden through configuration. 802.1D-1998/802.1D-2004/802.1Q-2005 Compatibility MSTP or RSTP can interoperate with legacy equipment and is capable of automatically adjusting BPDU packets to 802.1D-1998 format when necessary. However, any segment using 802.1D-1998 STP will not benefit from the rapid transition and rapid topology change detection of MSTP or RSTP. The protocol also provides for a variable used for migration in the event that legacy equipment on a segment is updated to use RSTP or MSTP. The Spanning Tree Protocol (STP) operates on two levels: 1. On the switch level, the settings are globally implemented. 2. On the port level, the settings are implemented on a per-user-defined group of ports basis. STP Bridge Global Settings On this page the user can configure the STP bridge global parameters. To view the following window, click L2 Features > Spanning Tree > STP Bridge Global Settings, as show below: Figure 7-28 STP Bridge Global Settings window The fields that can be configured are described below: Parameter Description STP State STP Version Use the radio button to globally enable or disable STP. Use the drop-down menu to choose the desired version of STP: STP - Select this parameter to set the Spanning Tree Protocol (STP) globally on the switch. RSTP - Select this parameter to set the Rapid Spanning Tree Protocol (RSTP) globally on the Switch. 74

Section	Page
Table of Contents	3
Intended Readers	6
Typographical Conventions	6
Notes, Notices and Cautions	6
Section 1 Web-based Switch Configuration	7
Chapter 1 Introduction	7
Chapter 2 Login to the Web Manager	7
Chapter 3 Web-based User Interface	8
Areas of the User Interface	8
Chapter 4 Web Pages	9
Section 2 LAN	11
Chapter 1 System Configuration	11
Device Information	11
System Information Settings	12
Port Configuration	12
PoE	16
Serial Port Settings	19
Warning Temperature Settings	19
System Log Configuration	20
Time Range Settings	23
Port Group Settings	24
Time Settings	24
User Accounts Settings	25
Command Logging Settings	26
Chapter 2 Management	27
ARP	27
Gratuitous ARP	28
IPv6 Neighbor Settings	30
IP Interface	31
Management Settings	35
Session Table	36
Single IP Management	37
SNMP Settings	46
Telnet Settings	55
Web Settings	55
Chapter 3 L2 Features	56
VLAN	56
QinQ	74
Spanning Tree	77
Link Aggregation	84
FDB	87
L2 Multicast Control	91
Multicast Filtering	113
ERPS Settings	118
LLDP	121
NLB FDB Settings	130
Chapter 4 L3 Features	131
IPv4 Static/Default Route Settings	131
IPv4 Route Table	132
IPv6 Static/Default Route Settings	132
IP Forwarding Table	133
VRRP	133
Chapter 5 QoS	138
802.1p Settings	139
Bandwidth Control	141
Traffic Control Settings	143
DSCP	145
HOL Blocking Prevention	147
Scheduling Settings	147
Chapter 6 ACL	150
ACL Configuration Wizard	150
Access Profile List	151
CPU Access Profile List	167
ACL Finder	181
ACL Flow Meter	181
Egress Access Profile List	184
Egress ACL Flow Meter	196
Chapter 7 Security	199
802.1X	199
RADIUS	211
IP-MAC-Port Binding (IMPB)	215
MAC-based Access Control (MAC)	220
Compound Authentication	223
Port Security	226
ARP Spoofing Prevention Settings	228
BPDU Attack Protection	229
Loopback Detection Settings	230
Traffic Segmentation Settings	231
NetBIOS Filtering Settings	232
DHCP Server Screening	233
Access Authentication Control	235
SSL Settings	243
SSH	245
Trusted Host Settings	249
Safeguard Engine Settings	249
Captive Portal (CP)	251
Chapter 8 Network Application	271
DHCP	271
SNTP	277
Flash File System Settings	279
Chapter 9 OAM	281
CFM	281
Ethernet OAM	291
Cable Diagnostics	295
Chapter 10 Monitoring	297
Utilization	297
Statistics	298
Received (RX)	299
UMB_Cast (RX)	300
Transmitted (TX)	302
Received (RX)	303
Transmitted (TX)	305
Mirror	308
sFlow	310
Ping Test	313
Trace Route	314
Peripheral	315
Chapter 11 Save and Tools	316
Section 3 WLAN	317
Chapter 1 Security	317
Captive Portal (CP)	317
Chapter 2 Monitoring	336
Global	336
Peer Switch	344
Access Point	347
Client	368
QoS	387
Chapter 3 Administration	395
Basic Setup	395
AP Management	407
Advanced Configuration	416
Chapter 4 QoS	443
Access Control Lists	443
Differentiated Services	456
Chapter 5 Network Visualization	462
Download Image	462
Launch…	462
Section 4 Save and Tools	465
Chapter 1 Save	465
Save Configuration / Log	465
Chapter 2 Tools	466
License Management	466
Download Firmware	466
Upload Firmware	467
Download Configuration	467
Upload Configuration	468
Upload Log File	469
Reset	470
Reboot System	471
Appendices	473
Appendix A Mitigating ARP Spoofing Attacks Using Packet Content ACL	473
Appendix B Password Recovery Procedure	479
Appendix C System Log Entries	480
Appendix D Trap Log Entries	491
Appendix E RADIUS Attributes Assignment	495

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DWS-3160 Series Gigabit Ethernet Unified Switch Web UI Reference Guide

the topology to stabilize before transitioning to a forwarding state. In order to allow this rapid transition, the protocol

introduces two new variables: the edge port and the point-to-point (P2P) port.

The edge port is a configurable designation used for a port that is directly connected to a segment where a loop

cannot be created. An example would be a port connected directly to a single workstation. Ports that are

designated as edge ports transition to a forwarding state immediately without going through the listening and

learning states. An edge port loses its status if it receives a BPDU packet, immediately becoming a normal

spanning tree port.

Edge Port

A P2P port is also capable of rapid transition. P2P ports may be used to connect to other bridges. Under

RSTP/MSTP, all ports operating in full-duplex mode are considered to be P2P ports, unless manually overridden

through configuration.

P2P Port

MSTP or RSTP can interoperate with legacy equipment and is capable of automatically adjusting BPDU packets to

802.1D-1998 format when necessary. However, any segment using 802.1D-1998 STP will not benefit from the

rapid transition and rapid topology change detection of MSTP or RSTP. The protocol also provides for a variable

used for migration in the event that legacy equipment on a segment is updated to use RSTP or MSTP.

802.1D-1998/802.1D-2004/802.1Q-2005 Compatibility

The Spanning Tree Protocol (STP) operates on two levels:

On the switch level, the settings are globally implemented.

On the port level, the settings are implemented on a per-user-defined group of ports basis.

STP Bridge Global Settings

On this page the user can configure the STP bridge global parameters.

To view the following window, click

L2 Features > Spanning Tree > STP Bridge Global Settings

, as show below:

Figure 7-28 STP Bridge Global Settings window

The fields that can be configured are described below:

Parameter

Description

STP State

Use the radio button to globally enable or disable STP.

STP Version

Use the drop-down menu to choose the desired version of STP:

STP

- Select this parameter to set the Spanning Tree Protocol (STP) globally on

the switch.

RSTP

- Select this parameter to set the Rapid Spanning Tree Protocol (RSTP)

globally on the Switch.