Name: Cisco DPC3825
Brand: Cisco
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6 4021196 Rev B

IMPORTANT SAFETY INSTRUCTIONS

Check Product Safety

Upon completion of any service or repairs to this product, the service technician must perform safety

checks to determine that this product is in proper operating condition.

Protect the Product When Moving It

Always disconnect the power source when moving the apparatus or connecting or disconnecting

cables.

20090915_Modem No Battery_Safety

Table of Contents1
Important Safety Instructions2
- Notice to Installers2
- Aviso a Los Instaladores de Sistemas Catv3
- Power Source Warning4
- Ground the Product4
- Protect the Product from Lightning5
- Eliminate AC Mains Overloads5
- Provide Ventilation and Select a Location5
- Protect from Exposure to Moisture and Foreign Objects5
- Protect the Product When Moving It6
- Check Product Safety6
- Declaration of Conformity7
- Dynamic Frequency Selection (DFS) Dual Band Frequencies8
- Radiation Exposure Statements8
- Benefits and Features12
Introduction12
What's in the Carton?14
Front Panel Description15
- Power16
- On/Off Switch16
Back Panel Description16
- Minimum System Requirements for Macintosh18
- Minimum System Requirements for a PC18
- What Are the System Requirements for Internet Service?18
- How Do I Subscribe to High-Speed Internet Service?19
- I Do Not Have a High-Speed Internet Access Account19
- I Already Have an Existing High-Speed Internet Access Account19
Where Is the Best Location for My DOCSIS Residential Gateway20
Before You Begin21
How Do I Mount the Modem on a Wall? (Optional)21
- Location and Dimensions of the Wall-Mounting Slots22
- Mounting the Residential Gateway on a Wall23
- How Do I Connect My Gateway for Internet Service?24
- Connecting and Installing Internet Devices24
- Connecting the Residential Gateway for High-Speed Data Service24
- How Do I Configure My DOCSIS Residential Gateway?26
- Logging in to the Gateway for the First Time26
- Wireless Network30
- Wireless Network Name (SSID)30
- Wireless Security Mode30
- Encryption30
- Lan Setup31
- Configuring Your Network Settings31
- DHCP Server32
- Connected Devices Summary Page32
- Pre-Assigned DHCP IP Addresses Page32
- Starting IP Address32
- Time Zone33
- LAN Static DNS33
- Client Lease Time33
- Maximum Number of DHCP Users33
- Disabling DDNS (Factory Default Settings)34
- Enabling DDNS34
- Wi-Fi Protected Setup (WPS)35
Configure Wireless Settings35
- Enable or Disable the Wireless Network36
- WPS Push Button Setup36
- WPS Setup Using Your Wi-Fi Adapter PIN (Option 2)37
- Wireless Configuration Manual Page Example37
- Wireless Basic Settings Page Description37
- Standard Channel38
- Network Mode38
- Radio Band38
- Bssid39
- Broadcast SSID39
- Wireless Security39
- MAC Filter43
- Wireless MAC Filter Page Description43
- Access Restriction44
- MAC Address Filter List44
- Advanced Settings44
- Wireless Advanced Settings Page Description45
- Beacon Interval46
- CTS Protection Mode46
- N Transmission Rate46
- DTIM Interval47
- Fragmentation Threshold47
- RTS Threshold47
- Wireless WDS Settings Page Description48
- WDS MAC Address48
- Remote Access Point's MAC Address48
- Allow Wireless Signal to be Repeated by a Repeater48
- Wireless WMM Support49
- Wireless Qos Page Description49
- No ACK50
- SPI Firewall Protection51
Configure Security51
- Filter Proxy52
- Block Pop-Up Windows52
- Block Web Page Cookies52
- Block Java and Activex Scripts52
- VPN Passthrough53
- Ipsec Passthrough53
- PPTP Passthrough53
- Security VPN Tunnel Page Description55
- VPN Tunnel Select Tunnel Entry55
- Key Exchange Method56
- Fqdn56
- Ip56
- Key Lifetime57
- Manual57
- Auto (IKE)57
- Phase 1 - Operation Mode58
- Local Identity58
- Remote Identity58
- View Log59
- IP Address Filtering60
- MAC Address Filtering60
Control Access to the Gateway60
- MAC Filtering61
- Function Keys61
- Basic Rules62
- Allowed Domain List63
- Keyword List63
- Blocked Domain List63
- Parental Control Activation63
- Override the Password Password64
- To Use Keyword and Domain Blocking64
- Block Access to Websites64
- Access Restrictions Time of Day Rules Page Description65
- Days to Block66
- Add User67
- User Settings67
- Password67
- Content Rule67
- Last Occurence68
- Inactivity Time68
- Local Log68
- Port Filtering69
- Applications and Gaming Port Filtering Page Description69
Configure Applications and Gaming69
- Port Range Forwarding70
- End Port70
- Start Port70
- Applications and Gaming Port Range Forward Page Description71
- Port Range Forwarding Start71
- Protocol71
- Port Range Triggering72
- Applications and Gaming Port Range Triggering Page Description72
- Dmz73
- Applications and Gaming DMZ Page Description74
- DMZ Hosting74
- DMZ Host IP Address74
- Administration Management Page Description75
Manage the Gateway75
- DHCP (Factory Default)76
- Static IP76
- Internet IP Address77
- MTU Size77
- Current User Name77
- Change Current User Name to77
- IGMP Proxy78
- Management Port78
- Upnp78
- Remote Management78
- Reporting79
- E-Mail Alerts79
- SMTP Mail Server79
- E-Mail Address for Alert Logs79
- View Log80
- Diagnostics81
- Ping Target IP81
- Ping Size81
- Number of Pings81
- Restore Configuration82
- Backup & Restore82
- Back up Configuration Use82
- Factory Defaults83
- Restore Factory Defaults83
- Firmware Version84
Monitor Gateway Status84
- IP Address85
- Local Network85
- MAC Address85
- DHCP Client Table86
- ARP/RARP Table87
- Wide Channel88
- Channel Width88
- Status Wireless Page Description88
- Docsis Wan89
- DOCSIS WAN Page Description89
- MAC Address (CM MAC Address)90
- How Do I Configure TCP/IP Protocol?91
- Configuring TCP/IP on Windows 2000 Systems91
- Configuring TCP/IP on Windows XP Systems91
Frequently Asked Questions91
- Configuring TCP/IP on Macintosh Systems92
- How Do I Renew the IP Address on My PC?92
- Renewing the IP Address on Windows NT, 2000, or XP Systems93
- How Do I Arrange for Installation?93
- What if I Don't Subscribe to Cable TV?93
- I Don't Understand the Front Panel Status Indicators94
- How Does the Residential Gateway Connect to My Computer?94
- Can I Watch TV and Surf the Internet at the same Time?94
- Common Troubleshooting Issues94
Tips for Improved Performance95
Initial Power Up, Calibration, and Registration (AC Power Applied)96
Front Panel LED Status Indicator Functions96
- Normal Operations (AC Power Applied)98
- Special Conditions99
- Front Panel LED Status Indicators During Special Conditions99
Notices100
- Software and Firmware Use101
- For Information102

Cisco DPC3825 User Manual

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Brand	Cisco
Model	DPC3825
Category	Gateway
Language	English