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Example: Eight Subnets

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Appendix B IP Addresses and Subnetting Table 115 Subnet 1 (continued) IP/SUBNET MASK NETWORK NUMBER Subnet Address: 192.168.1.0 Broadcast Address: 192.168.1.63 Lowest Host ID: 192.168.1.1 Highest Host ID: 192.168.1.62 Table 116 Subnet 2 IP/SUBNET MASK NETWORK NUMBER IP Address IP Address (Binary) Subnet Mask (Binary) Subnet Address: 192.168.1.64 Broadcast Address: 192.168.1.127 192.168.1. 11000000.10101000.00000001. 11111111.11111111.11111111. Lowest Host ID: 192.168.1.65 Highest Host ID: 192.168.1.126 Table 117 Subnet 3 IP/SUBNET MASK IP Address IP Address (Binary) Subnet Mask (Binary) Subnet Address: 192.168.1.128 Broadcast Address: 192.168.1.191 NETWORK NUMBER 192.168.1. 11000000.10101000.00000001. 11111111.11111111.11111111. Lowest Host ID: 192.168.1.129 Highest Host ID: 192.168.1.190 Table 118 Subnet 4 IP/SUBNET MASK IP Address IP Address (Binary) Subnet Mask (Binary) Subnet Address: 192.168.1.192 Broadcast Address: 192.168.1.255 NETWORK NUMBER 192.168.1. 11000000.10101000.00000001. 11111111.11111111.11111111. Lowest Host ID: 192.168.1.193 Highest Host ID: 192.168.1.254 LAST OCTET BIT VALUE LAST OCTET BIT VALUE 64 01000000 11000000 LAST OCTET BIT VALUE 128 10000000 11000000 LAST OCTET BIT VALUE 192 11000000 11000000 Example: Eight Subnets Similarly, use a 27-bit mask to create eight subnets (000, 001, 010, 011, 100, 101, 110 and 111). The following table shows IP address last octet values for each subnet. Table 119 Eight Subnets SUBNET SUBNET ADDRESS 1 0 2 32 FIRST ADDRESS 1 33 LAST ADDRESS 30 62 BROADCAST ADDRESS 31 63 322 VMG1312-B Series User's Guide

Section	Page
VMG1312-B Series	1
Contents Overview	3
Table of Contents	5
User’s Guide	15
Introducing the Device	17
1.1 Overview	17
1.2 Ways to Manage the Device	17
1.3 Good Habits for Managing the Device	17
1.4 Applications for the Device	18
1.4.1 Internet Access	18
1.4.2 Device’s USB Support	19
1.5 LEDs (Lights)	20
1.6 The RESET Button	21
1.7 Wireless Access	21
1.7.1 Using the WLAN/WPS Button	22
The Web Configurator	23
2.1 Overview	23
2.1.1 Accessing the Web Configurator	23
2.2 Web Configurator Layout	25
2.2.1 Title Bar	25
2.2.2 Main Window	26
2.2.3 Navigation Panel	26
Quick Start	31
3.1 Overview	31
3.2 Quick Start Setup	31
Tutorials	33
4.1 Overview	33
4.2 Setting Up an ADSL PPPoE Connection	33
4.3 Setting Up a Secure Wireless Network	36
4.3.1 Configuring the Wireless Network Settings	36
4.3.2 Using WPS	38
4.3.3 Without WPS	41
4.4 Setting Up Multiple Wireless Groups	42
4.5 Configuring Static Route for Routing to Another Network	45
4.6 Configuring QoS Queue and Class Setup	48
4.7 Access the Device Using DDNS	51
4.7.1 Registering a DDNS Account on www.dyndns.org	51
4.7.2 Configuring DDNS on Your Device	52
4.7.3 Testing the DDNS Setting	52
4.8 Configuring the MAC Address Filter	53
4.9 Access Your Shared Files From a Computer	54
4.10 Using the Media Server Feature	55
4.10.1 Configuring the Device	55
4.10.2 Using Windows Media Player	55
4.10.3 Using a Digital Media Adapter	58
4.11 Using the Print Server Feature	60
Technical Reference	75
Network Map and Status Screens	77
5.1 Overview	77
5.2 The Network Map Screen	77
5.3 The Status Screen	78
Broadband	81
6.1 Overview	81
6.1.1 What You Can Do in this Chapter	81
6.1.2 What You Need to Know	82
6.1.3 Before You Begin	84
6.2 The Broadband Screen	84
6.2.1 Add/Edit Internet Connection	85
6.3 The 3G Backup Screen	92
6.4 The Advanced Screen	96
6.5 The 8021x Screen	97
6.5.1 Edit 802.1x Settings	98
6.6 Technical Reference	98
Wireless	105
7.1 Overview	105
7.1.1 What You Can Do in this Chapter	105
7.1.2 What You Need to Know	106
7.2 The General Screen	106
7.2.1 No Security	108
7.2.2 Basic (WEP Encryption)	109
7.2.3 More Secure (WPA(2)-PSK)	111
7.2.4 WPA(2) Authentication	112
7.3 The More AP Screen	113
7.3.1 Edit More AP	114
7.4 MAC Authentication	115
7.5 The WPS Screen	116
7.6 The WMM Screen	118
7.7 The WDS Screen	119
7.7.1 WDS Scan	120
7.8 The Others Screen	121
7.9 The Channel Status Screen	123
7.10 Technical Reference	123
7.10.1 Wireless Network Overview	123
7.10.2 Additional Wireless Terms	125
7.10.3 Wireless Security Overview	125
7.10.4 Signal Problems	127
7.10.5 BSS	128
7.10.6 MBSSID	128
7.10.7 Preamble Type	129
7.10.8 Wireless Distribution System (WDS)	129
7.10.9 WiFi Protected Setup (WPS)	129
Home Networking	137
8.1 Overview	137
8.1.1 What You Can Do in this Chapter	137
8.1.2 What You Need To Know	138
8.1.3 Before You Begin	139
8.2 The LAN Setup Screen	139
8.3 The Static DHCP Screen	142
8.4 The UPnP Screen	144
8.5 Installing UPnP in Windows Example	145
8.6 Using UPnP in Windows XP Example	147
8.7 The Additional Subnet Screen	153
8.8 The STB Vendor ID Screen	154
8.9 The LAN VLAN Screen	155
8.10 Technical Reference	155
8.10.1 LANs, WANs and the Device	156
8.10.2 DHCP Setup	156
8.10.3 DNS Server Addresses	156
8.10.4 LAN TCP/IP	157
Routing	159
9.1 Overview	159
9.1.1 What You Can Do in this Chapter	159
9.2 The Routing Screen	160
9.2.1 Add/Edit Static Route	161
9.3 The Policy Forwarding Screen	161
9.3.1 Add/Edit Policy Forwarding	163
Quality of Service (QoS)	165
10.1 Overview	165
10.1.1 What You Can Do in this Chapter	165
10.2 What You Need to Know	166
10.3 The Quality of Service General Screen	167
10.4 The Queue Setup Screen	168
10.4.1 Adding a QoS Queue	170
10.5 The Class Setup Screen	170
10.5.1 Add/Edit QoS Class	172
10.6 The QoS Policer Setup Screen	175
10.6.1 Add/Edit a QoS Policer	176
10.7 The QoS Monitor Screen	177
10.8 Technical Reference	178
Network Address Translation (NAT)	183
11.1 Overview	183
11.1.1 What You Can Do in this Chapter	183
11.1.2 What You Need To Know	183
11.2 The Port Forwarding Screen	184
11.2.1 Add/Edit Port Forwarding	186
11.3 The Applications Screen	187
11.3.1 Add New Application	188
11.4 The Port Triggering Screen	188
11.4.1 Add/Edit Port Triggering Rule	190
11.5 The DMZ Screen	191
11.6 The ALG Screen	192
11.7 The Address Mapping Screen	192
11.7.1 Add/Edit Address Mapping Rule	193
11.8 Technical Reference	194
11.8.1 NAT Definitions	194
11.8.2 What NAT Does	195
11.8.3 How NAT Works	196
11.8.4 NAT Application	197
Dynamic DNS Setup	199
12.1 Overview	199
12.1.1 What You Can Do in this Chapter	199
12.1.2 What You Need To Know	200
12.2 The DNS Entry Screen	200
12.2.1 Add/Edit DNS Entry	201
12.3 The Dynamic DNS Screen	201
Interface Group	203
13.1 Overview	203
13.1.1 What You Can Do in this Chapter	203
13.2 The Interface Group Screen	203
13.2.1 Interface Group Configuration	204
13.2.2 Interface Grouping Criteria	206
USB Service	209
14.1 Overview	209
14.1.1 What You Can Do in this Chapter	209
14.1.2 What You Need To Know	209
14.2 The File Sharing Screen	210
14.2.1 Before You Begin	211
14.3 The Media Server Screen	212
14.4 The Printer Server Screen	213
14.4.1 Before You Begin	213
Firewall	215
15.1 Overview	215
15.1.1 What You Can Do in this Chapter	215
15.1.2 What You Need to Know	216
15.2 The Firewall Screen	217
15.3 The Service Screen	217
15.3.1 Add/Edit a Service	218
15.4 The Access Control Screen	219
15.4.1 Add/Edit an ACL Rule	221
15.5 The DoS Screen	222
MAC Filter	225
16.1 Overview	225
16.2 The MAC Filter Screen	225
Parental Control	227
17.1 Overview	227
17.2 The Parental Control Screen	227
17.2.1 Add/Edit a Parental Control Rule	228
Scheduler Rules	231
18.1 Overview	231
18.2 The Scheduler Rules Screen	231
18.2.1 Add/Edit a Schedule	232
Certificates	233
19.1 Overview	233
19.1.1 What You Can Do in this Chapter	233
19.2 What You Need to Know	233
19.3 The Local Certificates Screen	234
19.3.1 Create Certificate Request	235
19.3.2 Load Signed Certificate	236
19.4 The Trusted CA Screen	237
19.4.1 View Trusted CA Certificate	238
19.4.2 Import Trusted CA Certificate	239
Log	241
20.1 Overview	241
20.1.1 What You Can Do in this Chapter	241
20.1.2 What You Need To Know	241
20.2 The System Log Screen	242
20.3 The Security Log Screen	243
Traffic Status	245
21.1 Overview	245
21.1.1 What You Can Do in this Chapter	245
21.2 The WAN Status Screen	245
21.3 The LAN Status Screen	247
ARP Table	249
22.1 Overview	249
22.1.1 How ARP Works	249
22.2 ARP Table Screen	249
Routing Table	251
23.1 Overview	251
23.2 The Routing Table Screen	251
IGMP Status	253
24.1 Overview	253
24.2 The IGMP Group Status Screen	253
xDSL Statistics	255
25.1 The xDSL Statistics Screen	255
User Account	259
26.1 Overview	259
26.2 The User Account Screen	259
Remote Management	261
27.1 Overview	261
27.2 The Remote MGMT Screen	261
TR-069 Client	263
28.1 Overview	263
28.2 The TR-069 Client Screen	263
TR-064	265
29.1 Overview	265
29.2 The TR-064 Screen	265
Time Settings	267
30.1 Overview	267
30.2 The Time Screen	267
E-mail Notification	271
31.1 Overview	271
31.2 The Email Notification Screen	271
31.2.1 Email Notification Edit	272
Logs Setting	273
32.1 Overview	273
32.2 The Log Settings Screen	273
32.2.1 Example E-mail Log	274
Firmware Upgrade	277
33.1 Overview	277
33.2 The Firmware Screen	277
Configuration	279
34.1 Overview	279
34.2 The Configuration Screen	279
34.3 The Reboot Screen	281
Diagnostic	282
35.1 Overview	282
35.1.1 What You Can Do in this Chapter	282
35.2 What You Need to Know	282
35.3 Ping & TraceRoute & NsLookup	283
35.4 802.1ag	284
35.5 OAM Ping Test	285
Troubleshooting	287
36.1 Power, Hardware Connections, and LEDs	287
36.2 Device Access and Login	288
36.3 Internet Access	290
36.4 Wireless Internet Access	291
36.5 USB Device Connection	292
36.6 UPnP	292
Setting up Your Computer’s IP Address	295
IP Addresses and Subnetting	317
Pop-up Windows, JavaScripts and Java Permissions	325
Wireless LANs	335
IPv6	349
Services	357
Legal Information	361

Match case Limit results 1 per page

Appendix B IP Addresses and Subnetting

VMG1312-B Series User’s Guide

322

Example: Eight Subnets

Similarly, use a 27-bit mask to create eight subnets (000, 001, 010, 011, 100, 101, 110 and 111).

The following table shows IP address last octet values for each subnet.

Subnet Address:

192.168.1.0

Lowest Host ID: 192.168.1.1

Broadcast Address:

192.168.1.63

Highest Host ID: 192.168.1.62

Table 116

Subnet 2

IP/SUBNET MASK

NETWORK NUMBER

LAST OCTET BIT

VALUE

IP Address

192.168.1.

IP Address (Binary)

11000000.10101000.00000001.

000000

Subnet Mask (Binary)

11111111.11111111.11111111.

000000

Subnet Address:

192.168.1.64

Lowest Host ID: 192.168.1.65

Broadcast Address:

192.168.1.127

Highest Host ID: 192.168.1.126

Table 117

Subnet 3

IP/SUBNET MASK

NETWORK NUMBER

LAST OCTET BIT VALUE

IP Address

192.168.1.

128

IP Address (Binary)

11000000.10101000.00000001.

000000

Subnet Mask (Binary)

11111111.11111111.11111111.

000000

Subnet Address:

192.168.1.128

Lowest Host ID: 192.168.1.129

Broadcast Address:

192.168.1.191

Highest Host ID: 192.168.1.190

Table 118

Subnet 4

IP/SUBNET MASK

NETWORK NUMBER

LAST OCTET BIT VALUE

IP Address

192.168.1.

192

IP Address (Binary)

11000000.10101000.00000001.

000000

Subnet Mask (Binary)

11111111.11111111.11111111.

000000

Subnet Address:

192.168.1.192

Lowest Host ID: 192.168.1.193

Broadcast Address:

192.168.1.255

Highest Host ID: 192.168.1.254

Table 115

Subnet 1 (continued)

IP/SUBNET MASK

NETWORK NUMBER

LAST OCTET BIT

VALUE

Table 119

Eight Subnets

SUBNET

ADDRESS

FIRST ADDRESS

LAST

ADDRESS

BROADCAST

ADDRESS