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Basic Setting, ES-2108 Series User's Guide, Basic Setting > Port Setup, continued

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Chapter 7 Basic Setting Table 13 Basic Setting > Port Setup (continued) LABEL DESCRIPTION Speed/Duplex Select the speed and the duplex mode of the Ethernet connection on this port. For Ethernet ports, select Auto, 10M/Half Duplex, 10M/Full Duplex, 100M/Half Duplex or 100M/Full Duplex. For the Gigabit Ethernet/mini-GBIC slot, select Auto, 10M/Half Duplex, 10M/Full Duplex, 100M/Half Duplex, 100M/Full Duplex or 1000M/Full Duplex. For the mini-GBIC slot on the ES-2108-LC, select Auto or 1000M/Full Duplex. The port speed and the duplex mode are fixed (100M/Full Duplex) for the 100 BaseFX fiber optic port on the ES-2108-LC and the Fast Ethernet SFP transceiver connection on the ES-2108-F. Selecting Auto (auto-negotiation) allows one port to negotiate with a peer port automatically to obtain the connection speed and duplex mode that both ends support. When auto-negotiation is turned on, a port on the Switch negotiates with the peer automatically to determine the connection speed and duplex mode. If the peer port does not support auto-negotiation or turns off this feature, the Switch determines the connection speed by detecting the signal on the cable and using half duplex mode. When the Switch's auto-negotiation is turned off, a port uses the preconfigured speed and duplex mode when making a connection, thus requiring you to make sure that the settings of the peer port are the same in order to connect. Flow Control A concentration of traffic on a port decreases port bandwidth and overflows buffer memory causing packet discards and frame losses. Flow Control is used to regulate transmission of signals to match the bandwidth of the receiving port. The Switch uses IEEE802.3x flow control in full duplex mode and back-pressure flow control in half duplex mode. IEEE802.3x flow control is used in full duplex mode to send a pause signal to the sending port, causing it to temporarily stop sending signals when the receiving port memory buffers fill. Back Pressure flow control is typically used in half duplex mode to send a "collision" signal to the sending port (mimicking a state of packet collision) causing the sending port to temporarily stop sending signals and resend later. Select Flow Control to enable it. 802.1P Priority This priority value is added to incoming frames without a (802.1p) priority queue tag. See Priority Queue Assignment in Table 11 on page 77 for more information. PD (PWR model Only) This field is only available on the PWR model but not available for the Gigabit or miniGBIC slots. A powered device (PD) is a device such as an access point or a switch, that supports PoE (Power over Ethernet) so that it can receive power from another device through a 10/100Mbps Ethernet port. Select the check box to allow a powered device (connected to the port) to receive power from the Switch. Apply Click Apply to save your changes to the Switch's run-time memory. The Switch loses these changes if it is turned off or loses power, so use the Save link on the top navigation panel to save your changes to the non-volatile memory when you are done configuring. Cancel Click Cancel to reset the fields to your previous configuration. ES-2108 Series User's Guide 83

Section	Page
User’s Guide	1
About This User's Guide	3
Document Conventions	4
Safety Warnings	6
Contents Overview	9
Table of Contents	11
List of Figures	21
List of Tables	25
Introduction	29
Getting to Know Your Switch	31
1.1 Introduction	31
1.1.1 Backbone Application	31
1.1.2 Bridging Example	32
1.1.3 High Performance Switched Example	33
1.1.4 IEEE 802.1Q VLAN Application Examples	33
1.2 Ways to Manage the Switch	34
1.3 Good Habits for Managing the Switch	35
Hardware Installation and Connection	37
2.1 Freestanding Installation	37
2.2 Mounting the Switch on a Rack	38
2.2.1 Rack-mounted Installation Requirements	38
2.2.2 Attaching the Mounting Brackets to the Switch	38
2.2.3 Mounting the Switch on a Rack	39
2.3 Wall-mounting Installation	39
Hardware Overview	41
3.1 Front Panel Connection	41
3.1.1 Console Port	43
3.1.2 Ethernet Ports	43
3.1.3 Fast Ethernet SFP Slot	44
3.1.4 Mini-GBIC Slot	44
3.1.5 100 Base-FX Fiber-Optic Port	45
3.2 Rear Panel	46
3.2.1 Power Connections	46
3.3 LEDs	47
Basic Configuration	49
The Web Configurator	51
4.1 Introduction	51
4.2 System Login	51
4.3 The Status Screen	52
4.3.1 Change Your Password	56
4.4 Saving Your Configuration	57
4.5 Switch Lockout	57
4.6 Resetting the Switch	58
4.6.1 Reload the Factory-default Configuration File	58
4.7 Logging Out of the Web Configurator	59
4.8 Help	59
Initial Setup Example	61
5.1 Overview	61
5.1.1 Creating a VLAN	61
5.1.2 Setting Port VID	63
5.1.3 Configuring the Management IP Address	63
System Status and Port Statistics	65
6.1 Port Status Overview	65
6.1.1 Status: Port Details	66
Basic Setting	71
7.1 Overview	71
7.2 System Information	71
7.3 General Setup	73
7.4 Introduction to VLANs	75
7.5 Switch Setup Screen	76
7.6 IP Setup	78
7.6.1 Management IP Addresses	78
7.7 Port Setup	80
Advanced Setup	85
VLAN	87
8.1 Introduction to IEEE 802.1Q Tagged VLAN	87
8.1.1 Forwarding Tagged and Untagged Frames	87
8.2 Automatic VLAN Registration	88
8.2.1 GARP	88
8.2.2 GVRP	88
8.3 Port VLAN Trunking	89
8.4 Select the VLAN Type	89
8.5 Static VLAN	89
8.5.1 Static VLAN Status	90
8.5.2 Static VLAN Details	90
8.5.3 Configure a Static VLAN	91
8.5.4 Configure VLAN Port Settings	92
8.6 Port Based VLAN Setup	94
8.6.1 Configure a Port-based VLAN	94
Static MAC Forwarding	97
9.1 Overview	97
9.2 Configuring Static MAC Forwarding	97
Filtering	99
10.1 Configure a Filtering Rule	99
Spanning Tree Protocol	101
11.1 STP/RSTP Overview	101
11.1.1 STP Terminology	101
11.1.2 How STP Works	102
11.1.3 STP Port States	103
11.1.4 Multiple STP	103
11.2 Spanning Tree Protocol Status Screen	106
11.3 Spanning Tree Configuration	106
11.4 Configure Rapid Spanning Tree Protocol	107
11.5 Rapid Spanning Tree Protocol Status	108
11.6 Configure Multiple Spanning Tree Protocol	109
11.7 Multiple Spanning Tree Protocol Status	112
Bandwidth Control	115
12.1 Bandwidth Control Setup	115
Broadcast Storm Control	117
13.1 Broadcast Storm Control Setup	117
Mirroring	119
14.1 Port Mirroring Setup	119
Link Aggregation	121
15.1 Link Aggregation Overview	121
15.2 Dynamic Link Aggregation	121
15.2.1 Link Aggregation ID	122
15.3 Link Aggregation Control Protocol Status	122
15.4 Link Aggregation Setup	123
15.5 Link Aggregation Control Protocol	124
15.6 Static Trunking Example	125
Port Authentication	127
16.1 Port Authentication Overview	127
16.1.1 IEEE 802.1x Authentication	127
16.2 Port Authentication Configuration	128
16.2.1 Activate IEEE 802.1x Security	128
Port Security	131
17.1 Port Security Overview	131
17.2 Port Security Setup	131
17.3 Port Security Example	133
Queuing Method	135
18.1 Queuing Method Overview	135
18.1.1 Strict Priority Queuing (SPQ)	135
18.1.2 Weighted Round Robin Scheduling (WRR)	135
18.2 Configuring Queuing Method	136
Multicast	137
19.1 Multicast Overview	137
19.1.1 IP Multicast Addresses	137
19.1.2 IGMP Filtering	137
19.1.3 IGMP Snooping	137
19.1.4 IGMP Snooping and VLANs	138
19.2 Multicast Status	138
19.3 Multicast Setting	138
19.4 IGMP Snooping VLAN	140
19.5 IGMP Filtering Profile	142
19.6 MVR Overview	143
19.6.1 Types of MVR Ports	144
19.6.2 MVR Modes	144
19.6.3 How MVR Works	144
19.7 General MVR Configuration	145
19.8 MVR Group Configuration	146
19.8.1 MVR Configuration Example	148
Authentication & Accounting	151
20.1 Authentication, Authorization and Accounting	151
20.1.1 Local User Accounts	151
20.1.2 RADIUS and TACACS+	152
20.2 Authentication and Accounting Screens	152
20.2.1 RADIUS Server Setup	152
20.2.2 TACACS+ Server Setup	154
20.2.3 Authentication and Accounting Setup	156
20.2.4 Vendor Specific Attribute	159
20.3 Supported RADIUS Attributes	160
20.3.1 Attributes Used for Authentication	161
20.3.2 Attributes Used for Accounting	161
IP Source Guard	165
21.1 IP Source Guard Overview	165
21.1.1 ARP Inspection Overview	165
21.2 IP Source Guard	167
21.3 IP Source Guard Static Binding	167
21.4 ARP Inspection Status	169
21.4.1 ARP Inspection Log Status	169
21.5 ARP Inspection Configure	170
21.5.1 ARP Inspection Port Configure	172
21.5.2 ARP Inspection VLAN Configure	173
Loop Guard	175
22.1 Loop Guard Overview	175
22.2 Loop Guard Setup	177
IP Application	179
Static Route	181
23.1 Static Routing Overview	181
23.2 Configuring Static Routing	181
Differentiated Services	185
24.1 DiffServ Overview	185
24.1.1 DSCP and Per-Hop Behavior	185
24.1.2 DiffServ Network Example	185
24.2 Activating DiffServ	186
24.3 DSCP-to-IEEE802.1p Priority Mapping Settings	187
24.3.1 Configuring DSCP Settings	187
DHCP	189
25.1 DHCP Overview	189
25.1.1 DHCP Modes	189
25.1.2 DHCP Configuration Options	189
25.2 DHCP Status	189
25.3 DHCP Relay	190
25.3.1 DHCP Relay Agent Information	190
25.3.2 Configuring DHCP Global Relay	191
25.3.3 Global DHCP Relay Configuration Example	192
25.4 Configuring DHCP VLAN Settings	192
25.4.1 Example: DHCP Relay for Two VLANs	194
Management	195
Maintenance	197
26.1 The Maintenance Screen	197
26.2 Load Factory Default	198
26.3 Save Configuration	198
26.4 Reboot System	199
26.5 Firmware Upgrade	199
26.6 Restore a Configuration File	199
26.7 Backup Configuration File	200
26.8 FTP Command Line	200
26.8.1 Filename Conventions	201
26.8.2 FTP Command Line Procedure	201
26.8.3 GUI-based FTP Clients	202
26.8.4 FTP Restrictions	202
Access Control	203
27.1 Access Control Overview	203
27.2 The Access Control Main Screen	203
27.3 About SNMP	204
27.3.1 SNMP v3 and Security	205
27.3.2 Supported MIBs	205
27.3.3 SNMP Traps	205
27.3.4 Configuring SNMP	208
27.3.5 Configuring SNMP Trap Group	210
27.4 Setting Up Login Accounts	211
27.5 SSH Overview	213
27.6 How SSH works	213
27.7 SSH Implementation on the Switch	214
27.7.1 Requirements for Using SSH	214
27.7.2 SSH Login Example	215
27.8 Introduction to HTTPS	215
27.9 HTTPS Example	216
27.9.1 Internet Explorer Warning Messages	216
27.9.2 Netscape Navigator Warning Messages	217
27.9.3 The Main Screen	218
27.10 Service Port Access Control	218
27.11 Remote Management	219
Diagnostic	221
28.1 Diagnostic	221
Syslog	223
29.1 Syslog Overview	223
29.2 Syslog Setup	223
29.3 Syslog Server Setup	224
Cluster Management	227
30.1 Clustering Management Status Overview	227
30.2 Clustering Management Status	228
30.2.1 Cluster Member Switch Management	229
30.3 Clustering Management Configuration	230
MAC Table	233
31.1 MAC Table Overview	233
31.2 Viewing the MAC Table	234
ARP Table	235
32.1 ARP Table Overview	235
32.1.1 How ARP Works	235
32.2 Viewing the ARP Table	235
Configure Clone	237
33.1 Configure Clone Settings	237
Troubleshooting and Appendices	239
Troubleshooting	241
34.1 Problems Starting Up the Switch	241
34.2 Problems Accessing the Switch	241
34.2.1 Pop-up Windows, JavaScripts and Java Permissions	242
34.3 Problems with the Password	247
Product Specifications	249
IP Addresses and Subnetting	257
Legal Information	267
Customer Support	271

Match case Limit results 1 per page

Chapter 7 Basic Setting

ES-2108 Series User’s Guide

Speed/Duplex

Select the speed and the duplex mode of the Ethernet connection on this port.

For Ethernet ports, select

Auto

10M/Half Duplex

10M/Full Duplex

100M/Half

Duplex

100M/Full Duplex

For the Gigabit Ethernet/mini-GBIC slot, select

Auto

10M/Half Duplex

10M/Full

Duplex

100M/Half Duplex

100M/Full Duplex

1000M/Full Duplex

For the mini-GBIC slot on the ES-2108-LC, select

Auto

1000M/Full Duplex

The port speed and the duplex mode are fixed (

100M/Full Duplex

) for the 100 Base-

FX fiber optic port on the ES-2108-LC and the Fast Ethernet SFP transceiver

connection on the ES-2108-F.

Selecting

Auto

(auto-negotiation) allows one port to negotiate with a peer port

automatically to obtain the connection speed and duplex mode that both ends

support. When auto-negotiation is turned on, a port on the Switch negotiates with the

peer automatically to determine the connection speed and duplex mode. If the peer

port does not support auto-negotiation or turns off this feature, the Switch determines

the connection speed by detecting the signal on the cable and using half duplex

mode. When the Switch’s auto-negotiation is turned off, a port uses the pre-

configured speed and duplex mode when making a connection, thus requiring you to

make sure that the settings of the peer port are the same in order to connect.

Flow Control

A concentration of traffic on a port decreases port bandwidth and overflows buffer

memory causing packet discards and frame losses.

Flow Control

is used to regulate

transmission of signals to match the bandwidth of the receiving port.

The Switch uses IEEE802.3x flow control in full duplex mode and back-pressure flow

control in half duplex mode.

IEEE802.3x flow control is used in full duplex mode to send a pause signal to the

sending port, causing it to temporarily stop sending signals when the receiving port

memory buffers fill.

Back Pressure flow control is typically used in half duplex mode to send a "collision"

signal to the sending port (mimicking a state of packet collision) causing the sending

port to temporarily stop sending signals and resend later. Select

Flow Control

enable it.

802.1P Priority

This priority value is added to incoming frames without a (802.1p) priority queue tag.

See

Priority Queue Assignment

Table 11 on page 77

for more information.

(PWR model

Only)

This field is only available on the PWR model but not available for the Gigabit or mini-

GBIC slots.

A powered device (PD) is a device such as an access point or a switch, that supports

PoE (Power over Ethernet) so that it can receive power from another device through a

10/100Mbps Ethernet port.

Select the check box to allow a powered device (connected to the port) to receive

power from the Switch.

Apply

Click

Apply

to save your changes to the Switch’s run-time memory. The Switch loses

these changes if it is turned off or loses power, so use the

Save

link on the top

navigation panel to save your changes to the non-volatile memory when you are done

configuring.

Cancel

Click

Cancel

to reset the fields to your previous configuration.

Table 13

Basic Setting > Port Setup

(continued)

LABEL

DESCRIPTION