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ES-4124
Intelligent Layer 3+ Switch
User
’
s Guide
V
ersion 3.70
8/2006
2
Table of Contents
Default Chapter
3
Copyright
3
Certifications
4
Safety Warnings
6
Zyxel Limited Warranty
8
Customer Support
9
Table of Contents
11
List of Figures
23
List of Tables
27
Preface
31
User Guide Feedback
32
Chapter 1 Getting to Know Your Switch
33
Introduction
33
Backbone Application
33
Figure 1 Backbone Application
33
Bridging Example
34
High Performance Switching Example
34
Figure 2 Bridging Application
34
IEEE 802.1Q VLAN Application Examples
35
Figure 3 High Performance Switched Workgroup Application
35
Figure 4 Shared Server Using VLAN Example
35
Tag-Based VLAN Example
35
Chapter 2 Hardware Installation and Connection
37
Freestanding Installation
37
Figure 5 Attaching Rubber Feet
37
Mounting the Switch on a Rack
38
Rack-Mounted Installation Requirements
38
Precautions
38
Attaching the Mounting Brackets to the Switch
38
Figure 6 Attaching the Mounting Brackets
38
Figure 7 Mounting the Switch on a Rack
39
Chapter 3 Hardware Overview
41
Panel Connections
41
Figure 8 Front Panel
41
Table 1 Panel Connections
41
Console Port
42
Ethernet Ports
42
Default Ethernet Settings
42
Mini-GBIC Slots
43
Figure 9 Transceiver Installation Example
43
Transceiver Installation
43
Transceiver Removal
44
Rear Panel
44
Figure 10 Installed Transceiver
44
Figure 11 Opening the Transceiver's Latch Example
44
Figure 12 Transceiver Removal Example
44
External Backup Power Supply Connector
45
Figure 13 Rear Panel - AC Model
45
Figure 14 Rear Panel - DC Model
45
Power Connector
45
Leds
46
Table 2 Leds
46
Chapter 4 The Web Configurator
49
Introduction
49
System Login
49
Figure 15 Web Configurator: Login
49
The Status Screen
50
Figure 16 Web Configurator Home Screen (Status)
50
Table 3 Navigation Panel Sub-Links Overview
51
Table 4 Web Configurator Screen Sub-Links Details
52
Table 5 Navigation Panel Links
52
Change Your Password
54
Saving Your Configuration
55
Switch Lockout
55
Figure 17 Change Administrator Login Password
55
Resetting the Switch
56
Reload the Configuration File
56
Logging out of the Web Configurator
57
Help
57
Figure 18 Resetting the Switch: Via the Console Port
57
Figure 19 Web Configurator: Logout Screen
57
Chapter 5 Initial Setup Example
59
Overview
59
Configuring an IP Interface
59
Figure 20 Initial Setup Network Example: IP Interface
59
Configuring DHCP Server Settings
60
Creating a VLAN
61
Figure 21 Initial Setup Network Example: VLAN
61
Setting Port VID
62
Enabling RIP
62
Figure 22 Initial Setup Network Example: Port VID
62
Chapter 6 System Status and Port Statistics
65
Overview
65
Port Status Summary
65
Figure 23 Status
65
Table 6 Status
65
Status: Port Details
66
Figure 24 Status: Port Details
67
Table 7 Status: Port Details
67
Chapter 7 Basic Setting
71
Overview
71
System Information
71
Figure 25 System Info
72
Table 8 System Info
72
General Setup
73
Figure 26 General Setup
74
Table 9 General Setup
74
Introduction to Vlans
75
Switch Setup Screen
76
Figure 27 Switch Setup
76
Table 10 Switch Setup
76
IP Setup
77
IP Interfaces
78
Figure 28 IP Setup
78
Table 11 IP Setup
79
Port Setup
80
Figure 29 Port Setup
80
Table 12 Port Setup
80
Chapter 8 VLAN
83
Introduction to IEEE 802.1Q Tagged Vlans
83
Forwarding Tagged and Untagged Frames
83
Automatic VLAN Registration
84
Garp
84
GARP Timers
84
Gvrp
84
Table 13 IEEE 802.1Q VLAN Terminology
84
Port VLAN Trunking
85
Select the VLAN Type
85
Figure 30 Port VLAN Trunking
85
Static VLAN
86
Static VLAN Status
86
Figure 31 Switch Setup: Select VLAN Type
86
Figure 32 VLAN: VLAN Status
86
Table 14 VLAN: VLAN Status
86
Static VLAN Details
87
Configure a Static VLAN
87
Figure 33 Static VLAN Details
87
Table 15 Static VLAN Details
87
Figure 34 VLAN: Static VLAN
88
Table 16 VLAN: Static VLAN
88
Configure VLAN Port Settings
89
Figure 35 VLAN: VLAN Port Setting
89
Protocol Based Vlans
90
Table 17 VLAN: VLAN Port Setting
90
Configuring Protocol Based VLAN
91
Figure 36 Protocol Based VLAN Application Example
91
Figure 37 Protocol Based VLAN
92
Table 18 Protocol Based VLAN Setup
92
Create an IP-Based VLAN Example
93
Figure 38 Protocol Based VLAN Configuration Example
93
Port-Based VLAN Setup
94
Configure a Port-Based VLAN
94
Figure 39 Port Based VLAN Setup (All Connected)
95
Figure 40 Port Based VLAN Setup (Port Isolation)
96
Table 19 Port Based VLAN Setup
97
Chapter 9 Static MAC Forward Setup
99
Overview
99
Configuring Static MAC Forwarding
99
Figure 41 Static MAC Forwarding
100
Table 20 Static MAC Forwarding
100
Chapter 10 Filtering
101
Configure a Filtering Rule
101
Figure 42 Filtering
101
Table 21 Filtering
101
Chapter 11 Spanning Tree Protocol
103
STP/RSTP Overview
103
STP Terminology
103
Table 22 STP Path Costs
103
How STP Works
104
STP Port States
104
Table 23 STP Port States
104
Multiple RSTP
105
Spanning Tree Protocol Main Screen
105
Figure 43 MRSTP Network Example
105
Configure Rapid Spanning Tree Protocol
106
Figure 44 Spanning Tree Protocol RSTP and MRSTP
106
Table 24 Spanning Tree Protocol: Status
106
Figure 45 RSTP: Configuration
107
Table 25 RSTP: Configuration
108
Rapid Spanning Tree Protocol Status
109
Figure 46 Rapid Spanning Tree Protocol: Status
109
Table 26 Rapid Spanning Tree Protocol: Status
109
Configure Multiple Rapid Spanning Tree Protocol
110
Figure 47 MRSTP: Configuration
110
Table 27 MRSTP: Configuration
111
Multiple Rapid Spanning Tree Protocol Status
112
Figure 48 MRSTP: Status
112
Table 28 Spanning Tree Protocol: Status
112
Chapter 12 Bandwidth Control
115
Bandwidth Control Overview
115
CIR and PIR
115
Bandwidth Control Setup
115
Figure 49 Bandwidth Control
116
Table 29 Bandwidth Control
116
Chapter 13 Broadcast Storm Control
117
Broadcast Storm Control Setup
117
Figure 50 Broadcast Storm Control
118
Table 30 Broadcast Storm Control
118
Chapter 14 Mirroring
119
Port Mirroring Setup
119
Figure 51 Mirroring
120
Table 31 Mirroring
120
Chapter 15 Link Aggregation
121
Link Aggregation Overview
121
Dynamic Link Aggregation
121
Link Aggregation ID
122
Link Aggregation Control Protocol Status
122
Table 32 Link Aggregation ID: Local Switch
122
Table 33 Link Aggregation ID: Peer Switch
122
Link Aggregation Setup
123
Figure 52 Link Aggregation Control Protocol Status
123
Table 34 Link Aggregation Control Protocol Status
123
Figure 53 Link Aggregation Control Protocol: Configuration
124
Table 35 Link Aggregation Control Protocol: Configuration
124
Chapter 16 Port Authentication
127
Port Authentication Overview
127
Radius
127
Figure 54 RADIUS Server
127
Figure 55 Port Authentication
127
Vendor Specific Attribute
127
Tunnel Protocol Attribute
128
Port Authentication Configuration
128
Table 36 Supported VSA
128
Table 37 Supported Tunnel Protocol Attribute
128
Configuring RADIUS Server Settings
129
Figure 56 Port Authentication: RADIUS
129
Table 38 Port Authentication: RADIUS
129
Activate IEEE 802.1X Security
130
Figure 57 Port Authentication: 802.1X
130
Table 39 Port Authentication: 802.1X
130
Port Security
133
Chapter 17 Port Security
133
About Port Security
133
Port Security Setup
133
Figure 58 Port Security
134
Table 40 Port Security
136
Chapter 18 Classifier
137
About the Classifier and Qos
137
Configuring the Classifier
137
Figure 59 Classifier
138
Table 41 Classifier
138
Viewing and Editing Classifier Configuration
140
Figure 60 Classifier: Summary Table
140
Table 42 Classifier: Summary Table
140
Table 43 Common Ethernet Types and Protocol Number
140
Classifier Example
141
Table 44 Common IP Ports
141
Figure 61 Classifier: Example
142
Chapter 19 Policy Rule
143
Policy Rules Overview
143
Diffserv
143
DSCP and Per-Hop Behavior
143
Configuring Policy Rules
144
Figure 62 Policy
145
Table 45 Policy
145
Viewing and Editing Policy Configuration
147
Figure 63 Policy: Summary Table
147
Table 46 Policy: Summary Table
147
Policy Example
148
Figure 64 Policy Example
149
Chapter 20 Queuing Method
151
Queuing Method Overview
151
Strictly Priority
151
Weighted Fair Queuing
151
Weighted Round Robin Scheduling (WRR)
152
Configuring Queuing
152
Figure 65 Queuing Method
153
Table 47 Queuing Method
154
Chapter 21 VLAN Stacking
155
VLAN Stacking Overview
155
VLAN Stacking Example
155
VLAN Stacking Port Roles
156
VLAN Tag Format
156
Figure 66 VLAN Stacking Example
156
Figure 67 VLAN Stacking
156
Table 48 VLAN Tag Format
156
Frame Format
157
Table 49 Single and Double Tagged 802.11Q Frame Format
157
Table 50 802.1Q Frame
157
Configuring VLAN Stacking
158
Table 51 VLAN Stacking
160
Chapter 22 Multicast
161
Multicast Overview
161
IP Multicast Addresses
161
IGMP Filtering
161
IGMP Snooping
161
Multicast Status
162
Multicast Setting
162
Figure 68 Multicast: Status
162
Table 52 Multicast Status
162
Figure 69 Multicast: Setting
163
Table 53 Multicast Setting
163
IGMP Filtering Profile
165
Figure 70 Multicast: Setting: IGMP Filtering Profile
165
Table 54 Multicast: IGMP Filtering Profile
165
MVR Overview
166
Types of MVR Ports
166
MVR Modes
166
Figure 71 MVR Network Example
166
How MVR Works
167
General MVR Configuration
167
Figure 72 MVR Multicast Television Example
167
Figure 73 Multicast: Setting: MVR
168
MVR Group Configuration
169
Figure 74 MVR: Group Configuration
170
Table 56 MVR: Group Configuration
170
Figure 75 MVR Configuration Example
171
Figure 76 MVR Configuration Example
171
MVR Configuration Example
171
Figure 77 MVR Group Configuration Example
172
Figure 78 MVR Group Configuration Example
172
Chapter 23 Static Route
173
Configuring Static Routing
173
Figure 79 Static Routing
173
Table 57 Static Routing
173
Chapter 24 RIP
175
RIP Overview
175
Configuring RIP
175
Chapter 25 OSPF
177
OSPF Overview
177
OSPF Autonomous Systems and Areas
177
Figure 80 RIP
177
Table 59 OSPF Vs. RIP
177
Table 60 OSPF: Router Types
177
How OSPF Works
178
Interfaces and Virtual Links
178
OSPF and Router Elections
178
Figure 81 OSPF Network Example
178
Configuring OSPF
179
OSPF Status
179
Figure 82 OSPF Router Election Example
179
Figure 83 OSPF Status
180
Table 61 OSPF Status
180
Table 62 OSPF Status: Common Output Fields
180
OSPF Configuration
181
Figure 84 OSPF Configuration: Activating and General Settings
182
Table 63 OSPF Configuration: Activating and General Settings
182
Configure OSPF Areas
183
Figure 85 OSPF Configuration: Area Setup
183
Table 64 OSPF Configuration: Area Setup
183
Figure 86 OSPF Configuration: Summary Table
184
Table 65 OSPF Configuration: Summary Table
184
View OSPF Area Information Table
184
Configuring OSPF Interfaces
185
Figure 87 OSPF Interface
185
Table 66 OSPF Interface
185
OSPF Virtual-Links
186
Figure 88 OSPF Virtual Link
187
Table 67 OSPF Virtual Link
187
Chapter 26 IGMP
189
IGMP Overview
189
Configuring IGMP
189
Figure 89 IGMP
189
Table 68 IGMP
190
Chapter 27 DVMRP
191
DVMRP Overview
191
How DVMRP Works
191
Table 69 DVMRP
191
DVMRP Terminology
192
Configuring DVMRP
192
Figure 90 How DVMRP Works
192
Figure 91 DVMRP
192
DVMRP Configuration Error Messages
193
Figure 92 DVMRP: IGMP/RIP Not Set Error
193
Figure 93 DVMRP: Unable to Disable IGMP Error
193
Default DVMRP Timer Values
194
Figure 94 DVMRP: Duplicate VID Error Message
194
Table 70 DVMRP: Default Timer Values
194
Chapter 28 IP Multicast
195
IP Multicast Overview
195
Configuring Multicast
195
Figure 95 IP Multicast
195
Table 71 IP Multicast
196
Chapter 29 Differentiated Services
197
Diffserv Overview
197
DSCP and Per-Hop Behavior
197
Diffserv Network Example
197
Figure 96 Diffserv: Differentiated Service Field
197
Activating Diffserv
198
Figure 97 Diffserv Network Example
198
Figure 98 Diffserv
198
Table 72 Diffserv
198
DSCP-To-Ieee802.1P Priority Settings
199
Configuring DSCP Settings
199
Table 73 Default DSCP-Ieee802.1P Mapping
199
Figure 99 Diffserv: DSCP Setting
200
Table 74 Diffserv: DSCP Setting
200
Chapter 30 DHCP
201
DHCP Overview
201
DHCP Modes
201
DHCP Server Status
201
Configuring DHCP Server
202
Figure 100 DHCP: DHCP Server Status
202
Table 75 DHCP: DHCP Server Status
202
Figure 101 DHCP: Server
203
Table 76 DHCP: Server
203
DHCP Server Configuration Example
204
DHCP Relay
204
Figure 102 DHCP Server Network Example
204
Figure 103 DHCP Server Configuration Example
204
Configuring DHCP Relay
205
DHCP Relay Agent Information
205
Figure 104 DHCP: Relay
205
Table 77 DHCP: Relay
205
DHCP Relay Configuration Example
206
Figure 105 DHCP Relay Network Example
206
Figure 106 DHCP Relay Configuration Example
206
Chapter 31 VRRP
207
VRRP Overview
207
VRRP Status
208
Figure 107 VRRP: Example 1
208
VRRP Configuration
209
IP Interface Setup
209
Figure 108 VRRP Status
209
Table 78 VRRP Status
209
Figure 109 VRRP Configuration: IP Interface
210
Table 79 VRRP Configuration: IP Interface
210
VRRP Parameters
211
Advertisement Interval
211
Preempt Mode
211
Priority
211
Configuring VRRP Parameters
211
Configuring VRRP Parameters
212
Figure 110 VRRP Configuration: VRRP Parameters
212
Table 80 VRRP Configuration: VRRP Parameters
212
VRRP Configuration Examples
213
One Subnet Network Example
213
Figure 111 VRRP Configuration: Summary
213
Table 81 VRRP Configuring: VRRP Parameters
213
Figure 112 VRRP Configuration Example: One Virtual Router Network
214
Figure 113 VRRP Example 1: VRRP Parameter Settings on Switch a
214
Figure 114 VRRP Example 1: VRRP Parameter Settings on Switch B
214
Two Subnets Example
215
Figure 115 VRRP Example 1: VRRP Status on Switch a
215
Figure 116 VRRP Example 1: VRRP Status on Switch B
215
Figure 117 VRRP Configuration Example: Two Virtual Router Network
215
Figure 118 VRRP Example 2: VRRP Parameter Settings for VR2 on Switch a
216
Figure 119 VRRP Example 2: VRRP Parameter Settings for VR2 on Switch B
216
Figure 120 VRRP Example 2: VRRP Status on Switch a
216
Figure 121 VRRP Example 2: VRRP Status on Switch B
216
Chapter 32 Maintenance
217
The Maintenance Screen
217
Figure 122 Maintenance
217
Table 82 Maintenance
217
Load Factory Default
218
Save Configuration
218
Figure 123 Load Factory Default: Start
218
Reboot System
219
Firmware Upgrade
219
Figure 124 Reboot System: Confirmation
219
Figure 125 Firmware Upgrade
219
Restore a Configuration File
220
Backup a Configuration File
220
Figure 126 Restore Configuration
220
Figure 127 Backup Configuration
220
FTP Command Line
221
Filename Conventions
221
Example FTP Commands
221
Table 83 Filename Conventions
221
FTP Command Line Procedure
222
GUI-Based FTP Clients
222
FTP Restrictions
222
Chapter 33 Access Control
223
Access Control Overview
223
The Access Control Main Screen
223
Figure 128 Access Control
223
Table 84 Access Control Overview
223
About SNMP
224
Figure 129 SNMP Management Model
224
Table 85 SNMP Commands
224
SNMP Traps
225
Supported Mibs
225
Table 86 SNMP Traps
225
Configuring SNMP
226
Figure 130 Access Control: SNMP
226
Setting up Login Accounts
226
Table 87 Access Control: SNMP
226
Figure 131 Access Control: Logins
227
Table 88 Access Control: Logins
227
SSH Overview
228
How SSH Works
228
Figure 132 SSH Communication Example
228
SSH Implementation on the Switch
229
Figure 133 How SSH Works
229
Requirements for Using SSH
230
Introduction to HTTPS
230
Figure 134 HTTPS Implementation
230
HTTPS Example
231
Internet Explorer Warning Messages
231
Netscape Navigator Warning Messages
231
Figure 135 Security Alert Dialog Box (Internet Explorer)
231
The Main Screen
232
Figure 136 Security Certificate 1 (Netscape)
232
Figure 137 Security Certificate 2 (Netscape)
232
Service Port Access Control
233
Figure 138 Example: Lock Denoting a Secure Connection
233
Remote Management
234
Figure 139 Access Control: Service Access Control
234
Table 89 Access Control: Service Access Control
234
Figure 140 Access Control: Remote Management
235
Table 90 Access Control: Remote Management
235
Chapter 34 Diagnostic
237
Diagnostic
237
Figure 141 Diagnostic
237
Table 91 Diagnostic
237
Chapter 35 Syslog
239
Syslog Overview
239
Syslog Setup
239
Figure 142 Syslog
239
Table 92 Syslog Severity Levels
239
Syslog Server Setup
240
Table 93 Syslog
240
Figure 143 Syslog: Server Setup
241
Table 94 Syslog: Server Setup
241
Chapter 36 Cluster Management
243
Clustering Management Status Overview
243
Table 95 Zyxel Clustering Management Specifications
243
Cluster Management Status
244
Figure 144 Clustering Application Example
244
Cluster Member Switch Management
245
Figure 145 Cluster Management: Status
245
Table 96 Cluster Management: Status
245
Figure 146 Cluster Management: Cluster Member Web Configurator Screen
246
Uploading Firmware to a Cluster Member Switch
246
Clustering Management Configuration
247
Figure 147 Example: Uploading Firmware to a Cluster Member Switch
247
Table 97 FTP Upload to Cluster Member Example
247
Figure 148 Clustering Management Configuration
248
Table 98 Clustering Management Configuration
248
Chapter 37 MAC Table
251
MAC Table Overview
251
Figure 149 MAC Table Flowchart
251
Viewing the MAC Table
252
Figure 150 MAC Table
252
Table 99 MAC Table
252
Chapter 38 IP Table
253
IP Table Overview
253
Figure 151 IP Table Flowchart
253
Viewing the IP Table
254
Figure 152 IP Table
254
Table 100 IP Table
254
Chapter 39 ARP Table
255
ARP Table Overview
255
How ARP Works
255
Viewing the ARP Table
255
Figure 153 ARP Table
256
Table 101 ARP Table
256
Chapter 40 Routing Table
257
Overview
257
Viewing the Routing Table Status
257
Figure 154 Routing Table Status
257
Table 102 Routing Table Status
257
Chapter 41 Configure Clone
259
Configure Clone
259
Figure 155 Configure Clone
259
Table 103 Configure Clone
259
Chapter 42 Introducing Commands
261
Overview
261
Accessing the CLI
261
The Console Port
261
Initial Screen
262
The Login Screen
262
Command Syntax Conventions
262
Changing the Password
263
Privilege Levels
263
Command Modes
264
Table 104 Command Interpreter Mode Summary
264
Getting Help
265
List of Available Commands
266
Using Command History
267
Saving Your Configuration
267
Switch Configuration File
267
Logging out
268
Command Summary
268
Table 105 Command Summary: User Mode
268
User Mode
268
Enable Mode
269
Table 106 Command Summary: Enable Mode
269
Ospf Interface
272
Ospf Neighbor
272
Route Static
272
Ospf Area
273
Table 55 MVR
273
Table 58 RIP
273
General Configuration Mode
275
Table 107 Command Summary: Configuration Mode
275
Interface Port-Channel Commands
291
Table 108 Interface Port-Channel Commands
291
Interface Route-Domain Commands
294
Table 109 Interface Route-Domain Commands
295
Config-Vlan Commands
296
Table 110 Command Summary: Config-Vlan Commands
296
Mvr Commands
297
Table 111 Command Summary: Mvr Commands
297
Chapter 43 User and Enable Mode Commands
299
Overview
299
Show Commands
299
Show System-Information
299
Show Ip
300
Show Logging
300
Show Interface
300
Show Mac Address-Table
301
Ping
302
Traceroute
302
Copy Port Attributes
303
Configuration File Maintenance
304
Using a Different Configuration File
304
Resetting to the Factory Default
305
Chapter 44 Configuration Mode Commands
307
Enabling IGMP Snooping
307
Configure IGMP Filter
308
Enabling STP
309
No Command Examples
311
Disable Commands
311
Resetting Commands
311
Re-Enable Commands
311
Other Examples of no Commands
312
No Trunk
312
Figure 156 no Port-Access-Authenticator Command Example
313
No Port-Access-Authenticator
313
No Ssh
313
Queuing Method Commands
314
Static Route Commands
314
Enabling MAC Filtering
315
Enabling Trunking
316
Enabling Port Authentication
317
RADIUS Server Settings
317
Port Authentication Settings
318
Chapter 45 Interface Commands
321
Overview
321
Interface Command Examples
321
Interface Port-Channel
321
Bpdu-Control
321
Broadcast-Limit
322
Bandwidth-Limit
322
Mirror
323
Gvrp
324
Ingress-Check
324
Frame-Type
325
Weight
325
Egress Set
326
Qos Priority
326
Name
327
Speed-Duplex
327
Test
327
Interface no Command Examples
328
No Bandwidth-Limit
328
Chapter 46 IEEE 802.1Q Tagged VLAN Commands
329
Configuring Tagged VLAN
329
Global VLAN1Q Tagged VLAN Configuration Commands
330
GARP Status
330
GARP Timer
330
Disable GVRP
331
Enable GVRP
331
GVRP Timer
331
Port VLAN Commands
331
Enable or Disable Port GVRP
332
Set Acceptable Frame Type
332
Set Port VID
332
Forwarding Process Example
333
Modify a Static VLAN Table Example
333
Modify Static VLAN
333
Delete VLAN ID
334
Enable VLAN
334
Disable VLAN
335
Show VLAN Setting
335
Chapter 47 Multicast VLAN Registration Commands
337
Overview
337
Create Multicast VLAN
337
Chapter 48 Routing Domain Command Examples
339
Interface Route-Domain
339
Chapter 49 Troubleshooting
341
Problems Starting up the Switch
341
Problems Accessing the Switch
341
Table 112 Troubleshooting the Start-Up of Your Switch
341
Table 113 Troubleshooting Accessing the Switch
341
Pop-Up Windows, Javascripts and Java Permissions
342
Figure 157 Pop-Up Blocker
342
Internet Explorer Pop-Up Blockers
342
Figure 158 Internet Options
343
Figure 159 Internet Options
344
Figure 160 Pop-Up Blocker Settings
345
Javascripts
345
Figure 161 Internet Options
346
Figure 162 Security Settings - Java Scripting
347
Java Permissions
347
Figure 163 Security Settings - Java
348
Figure 164 Java (Sun)
349
Problems with the Password
349
Table 114 Troubleshooting the Password
349
Product Specifications
351
Appendix A Product Specifications
351
Table 115 Firmware Features
351
Table 116 General Product Specifications
353
Table 117 Management Specifications
354
Table 118 Physical and Environmental Specifications
355
Appendix B
357
IP Addresses and Subnetting
357
Table 119 Classes of IP Addresses
358
Table 120 Allowed IP Address Range by Class
358
Table 121 "Natural" Masks
359
Table 122 Alternative Subnet Mask Notation
359
Table 123 Two Subnets Example
360
Table 124 Subnet 1
360
Table 125 Subnet 2
361
Table 126 Subnet 1
361
Table 127 Subnet 2
362
Table 128 Subnet 3
362
Table 129 Subnet 4
362
Table 130 Eight Subnets
363
Table 131 Class C Subnet Planning
363
Table 132 Class B Subnet Planning
364
Index
365
4
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ZyXEL Communications ES-4124 Specifications
General
Brand
ZyXEL Communications
Model
ES-4124
Category
Switch
Language
English
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