Name: SMC Networks SMCD3GNV
Brand: SMC Networks
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SMCD3GNV User Manual

Comcast Wireless Cable Modem Gateway

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Getting to Know the Gateway

Installing the Gateway

Preconfiguration Guidelines

Configuring the Gateway

Configuring the Gateway’s mso Interface

Table of Contents3
Preface7
Key Features8
Document Organization9
Document Conventions9
Safety and Warnings9
Typographic Conventions10
Getting to Know the Gateway11
Unpacking Package Contents12
System Requirements12
Front Panel13
Rear Panel15
Top Panel16
Bottom Panel16
Using the Reset Button17
Installing the Gateway18
Finding a Suitable Location19
Installing a Battery20
Connecting to the LAN21
Connecting the WAN22
Connecting to the Public Telephone Network22
Powering on the Gateway23
Preconfiguration Guidelines24
Configuring Your Computer for TCP/IP25
Configuring Microsoft Windows 200025
Configuring Microsoft Windows XP26
Configuring Microsoft Windows Vista27
Configuring Microsoft Windows 730
Configuring an Apple Macintosh Computer33
Disabling Proxy Settings34
Disabling Proxy Settings in Internet Explorer34
Disabling Proxy Settings in Firefox34
Disabling Proxy Settings in Safari35
Disabling Firewall and Security Software35
Confirming the Gateway's Online Status35
Confirming Your Computer's Link Status35
Configuring the Gateway36
Accessing the Gateway's Web Management37
Understanding the Web Management Interface Menus38
Web Management Interface Menus40
Viewing Information about Your Network and Connected Devices42
Viewing Information about Your Network and Connections43
Viewing the Gateway's Connection Status44
Viewing Comcast Network Information46
Viewing and Editing Your Local IP Configuration47
Viewing and Editing Wireless Configuration49
Configuring Firewall Settings53
Viewing System Software Settings55
Configuring System Hardware56
Viewing System Hardware Settings56
Viewing Battery Settings57
Viewing LAN Ethernet Settings58
Viewing Wi-Fi Settings59
Configuring Your Home Network60
Working with Connected Devices64
Manually Adding Computers with Static IP Addresses to the Wireless65
Network65
Configuring Parental Controls68
Blocking Sites and Keywords, and Selecting Trusted Computers68
Blocking Services75
Managing Devices and Access Types78
Generating Reports82
Using Advanced Features84
Enabling or Disabling Port Forwarding84
Enabling or Disabling Port Triggering87
Enabling or Disabling Port Blocking91
Discovering Devices92
Troubleshooting the Gateway94
Defining Log Filters94
Testing Connectivity to Destination and IP Addresses96
Restoring or Rebooting the Gateway98
Changing the Login Password99
Configuring the Gateway's Mso Interface100
Accessing the Gateway's Web Management101
Understanding the Web Management Interface Menus102
Web Management Interface Menus104
Configuring the Gateway Settings106
Viewing At-A-Glance Configuration Settings107
Configuring Email Notifications108
Configuring Connections110
Viewing the Gateway's Connection Status111
Viewing and Editing Your Local IP Configuration112
Viewing and Editing Wireless Configuration114
Private Wifi and Public Wifi Networks115
Private Wireless Basic Settings116
Private Advanced Basic Settings117
MAC Filter Settings119
Wifi Client Setup Configuration (WPS)120
Viewing XFINITY Network Information121
Connect to Your WPS-Supported Device121
Configuring Firewall Settings123
Viewing System Software Settings125
Configuring Hardware126
Viewing System Hardware Settings127
Viewing Battery Settings128
Viewing LAN Ethernet Settings129
Viewing Wi-Fi Settings130
Configuring Your Home Network131
Working with Connected Devices135
Manually Adding Computers with Static IP Addresses136
Manually Adding Wireless Clients139
Configuring Parental Controls142
Blocking Sites and Keywords, and Selecting Trusted Computers142
Blocking Services and Selecting Trusted Computers148
Managing Devices and Access Types152
Generating Reports156
Using Advanced Features157
Enabling or Disabling Port Forwarding157
Enabling or Disabling Port Triggering160
Remote Management163
Configuring DMZ Settings165
Configuring Routing Settings167
Configuring Dynamic DNS Settings169
Discovering Devices171
Troubleshooting the Gateway173
Generating Logs174
Testing Connectivity to Destination and IP Addresses175
Restoring or Rebooting the Gateway177
Changing the Login Password178
Troubleshooting Procedures179
Basic Troubleshooting Procedures180
Advanced Troubleshooting Procedures182
Troubleshooting Physical Network Problems182
Troubleshooting Configuration Problems183
Determining Your IP Address183
Troubleshooting Software-Interaction Problems187
Specific Troubleshooting Procedures188
Unable to Log in to Gateway188
Local Networked Devices Unable to Access the Gateway188
Unable to Access the Internet189
Unable to Access Networked Devices191
Using the Ping Utility to Troubleshoot191
Testing the Path from a Computer to the Gateway191
Testing the Path from a Computer to the Internet192
Using Ping on a Macintosh193
Gateway Disconnects from the Internet194
Slow Web Browsing195
Unable to Configure Port Forwarding195
Unable to Use Pass-Thru VPN195
Gateway Is Not Passing DHCP Address to a Computer195
Determining a Computer's MAC Address196
Microsoft Windows196
Apple Macintosh Windows os X197
Wireless Troubleshooting198
Checking the Gateway's Wireless Connection198
Wireless Range Is Low198
Unable to Connect to a Wireless Network Using Windows XP and Vista199
Achieving Optimal Wireless Performance201
Guidelines for Improving Your Wireless Network201
Wireless IEEE 802.11N Guidelines202
Application and Gaming Troubleshooting204
Connecting to Messenger Services Behind the Gateway204
Connecting to America Online Behind the Gateway204
Connecting to Xbox Live, PSP, and Nintendo WFC204
Appendix A - Specifications205
Appendix B - Compliances209
Index211

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SMC Networks SMCD3GNV Specifications

General

Brand	SMC Networks
Model	SMCD3GNV
Category	Gateway
Language	English

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