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Port Trunking Settings, L2 Features > Link Aggregation > Port Trunking Settings

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xStack® DES-3528/DES-3552 Series Layer 2 Stackable Fast Ethernet Managed Switch Web UI Reference Guide The Master Port of the group is to be configured by the user, and all configuration options, including the VLAN configuration that can be applied to the Master Port, are applied to the entire link aggregation group. Load balancing is automatically applied to the ports in the aggregated group, and a link failure within the group causes the network traffic to be directed to the remaining links in the group. The Spanning Tree Protocol will treat a link aggregation group as a single link, on the switch level. On the port level, the STP will use the port parameters of the Master Port in the calculation of port cost and in determining the state of the link aggregation group. If two redundant link aggregation groups are configured on the Switch, STP will block one entire group; in the same way STP will block a single port that has a redundant link. NOTE: If any ports within the trunk group become disconnected, packets intended for the disconnected port will be load shared among the other linked ports of the link aggregation group. Port Trunking Settings On this page the user can configure the port trunk settings for the Switch. To view the following window, click L2 Features > Link Aggregation > Port Trunking Settings, as shown below: Figure 4-34 Port Trunking Settings window The fields that can be configured are described below: Parameter Description Algorithm Unit Group ID (1-8) Type Master Port State This is the traffic hash algorithm among the ports of the link aggregation group. Options to choose from are MAC Source, MAC Destination, MAC Source Destination, IP Source, IP Destination and IP Source Destination. Select the unit to configure. Select an ID number for the group, between 1 and 8. This pull-down menu allows users to select between Static and LACP (Link Aggregation Control Protocol). LACP allows for the automatic detection of links in a Port Trunking Group. Choose the Master Port for the trunk group using the drop-down menu. Use the drop-down menu to toggle between Enabled and Disabled. This is used to turn a port trunking group on or off. This is useful for diagnostics, to quickly isolate a bandwidth intensive network device or to have an absolute backup aggregation group that is not under automatic control. 92

Section	Page
Intended Readers	10
Typographical Conventions	10
Notes, Notices and Cautions	10
Chapter 1 Web-based Switch Configuration	11
Introduction	11
Login to the Web Manager	11
Web-based User Interface	12
Web Pages	13
Chapter 2 System Configuration	14
Device Information	14
System Information Settings	15
Dual Configuration Settings	16
Firmware Information Settings	17
Port Configuration	18
PoE	21
Serial Port Settings	24
System Log configuration	25
Time Range Settings	29
Time Settings	29
User Accounts Settings	30
Stacking	31
Chapter 3 Management	35
ARP	35
Gratuitous ARP	37
IPv6 Neighbor Settings	38
IP Interface	39
Management Settings	43
Session Table	44
Single IP Management	44
SNMP Settings	54
Telnet Settings	64
Web Settings	64
Chapter 4 L2 Features	65
VLAN	65
Q-in-Q	88
Layer 2 Protocol Tunneling Settings	90
Spanning Tree	91
Link Aggregation	100
FDB	103
L2 Multicast Control	107
Multicast Filtering	132
ERPS Settings	136
LLDP	139
Chapter 5 L3 Features	149
Local Route Settings	149
IPv4 Static/Default Route Settings	149
IPv4 Route Table	150
IPv6 Static/Default Route Settings	151
IPv6 Route Table	151
Policy Route Settings	152
IP Forwarding Table	153
Chapter 6 QoS	154
802.1p Settings	156
Bandwidth Control	159
Traffic Control Settings	161
DSCP	164
HOL Blocking Prevention	167
Scheduling Settings	168
SRED	171
Chapter 7 ACL	174
ACL Configuration Wizard	174
Access Profile List	175
CPU Access Profile List	193
ACL Finder	207
ACL Flow Meter	208
Chapter 8 Security	211
802.1X	211
RADIUS	224
IP-MAC-Port Binding (IMPB)	229
MAC-based Access Control (MAC)	236
Web-based Access Control (WAC)	240
Japanese Web-based Access Control (JWAC)	245
Compound Authentication	252
Port Security	256
ARP Spoofing Prevention Settings	258
BPDU Attack Protection	259
Loopback Detection Settings	261
Traffic Segmentation Settings	262
NetBIOS Filtering Settings	263
DHCP Server Screening	264
Access Authentication Control	265
SSL Settings	274
SSH	276
Trusted Host Settings	280
Safeguard Engine Settings	281
Chapter 9 Network Application	284
DHCP	284
DNS	296
PPPoE Circuit ID Insertion Settings	298
SNTP	299
Chapter 10 OAM	302
CFM	302
Ethernet OAM	311
DULD Settings	315
Cable Diagnostics	316
Chapter 11 Monitoring	318
Utilization	318
Statistics	320
Mirror	332
sFlow	334
Ping Test	337
Trace Route	338
Peripheral	340
Chapter 12 Save and Tools	341
Save Configuration ID 1	341
Save Configuration ID 2	341
Save Log	342
Save All	342
Stacking Information	342
Download Firmware	344
Download Configuration File	344
Upload Configuration File	345
Upload Log File	346
Reset	347
Reboot System	347
Appendix A Mitigating ARP Spoofing Attacks Using Packet Content ACL	348
How Address Resolution Protocol Works	348
How ARP Spoofing Attacks a Network	350
Prevent ARP Spoofing via Packet Content ACL	351
Configuration	351
Appendix B System Log and Trap List	354
System Log Entries	354
DES-3528/DES-3552 Series Trap List	362
Proprietary Trap List	362
Appendix C Password Recovery Procedure	365

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xStack® DES-3528/DES-3552 Series Layer 2 Stackable Fast Ethernet Managed Switch Web UI Reference Guide

The Master Port of the group is to be configured by the user, and all configuration options, including the VLAN

configuration that can be applied to the Master Port, are applied to the entire link aggregation group.

Load balancing is automatically applied to the ports in the aggregated group, and a link failure within the group causes

the network traffic to be directed to the remaining links in the group.

The Spanning Tree Protocol will treat a link aggregation group as a single link, on the switch level. On the port level,

the STP will use the port parameters of the Master Port in the calculation of port cost and in determining the state of

the link aggregation group. If two redundant link aggregation groups are configured on the Switch, STP will block one

entire group; in the same way STP will block a single port that has a redundant link.

NOTE:

If any ports within the trunk group become disconnected, packets intended for the disconnected

port will be load shared among the other linked ports of the link aggregation group.

Port Trunking Settings

On this page the user can configure the port trunk settings for the Switch.

To view the following window, click

L2 Features > Link Aggregation > Port Trunking Settings

, as shown below:

Figure 4-34 Port Trunking Settings window

The fields that can be configured are described below:

Parameter

Description

Algorithm

This is the traffic hash algorithm among the ports of the link aggregation group. Options to

choose from are

MAC Source

MAC Destination

MAC Source Destination

IP Source

Destination

and

IP Source Destination

Unit

Select the unit to configure.

Group ID (1-8)

Select an ID number for the group, between

and

Type

This pull-down menu allows users to select between

Static

and

LACP

(Link Aggregation

Control Protocol).

LACP

allows for the automatic detection of links in a Port Trunking Group.

Master Port

Choose the Master Port for the trunk group using the drop-down menu.

State

Use the drop-down menu to toggle between

Enabled

and

Disabled

. This is used to turn a port

trunking group on or off. This is useful for diagnostics, to quickly isolate a bandwidth intensive

network device or to have an absolute backup aggregation group that is not under automatic

control.