• Rate-adaptive DSL (CAP encoding) interface, with maximum receive data rates up to 7 Mbps and transmit data rates up to 1 Mbps

• ADSL physical connection supports ATM adaptation layer 5 (AAL5) encapsulation

• Autonegotiating 10BaseT or 100BaseTX Ethernet interface

• Local initialization/configuration through RJ-45 serial port

• Filtered phone port for convenient connection of a phone to the modem in splitter-less environments

• Status LEDs indicating power/alarm, ADSL connectivity and activity, and Ethernet connectivity and activity

• Utilizes Cisco EZ-DSL technology to deliver full Rate Adaptive Digital Subscriber Line (RADSL) rates without truck roll to the premises

• Fully compatible with Cisco 6100 and Cisco 6200 series advanced digital subscriber line access multiplexers (advanced DSLAM)

• IP routing (PPP over ATM and RFC 1483)

• Supports null-encapsulated PPP over AAL5

• PAT support for conservation of registered IP addresses

• Dynamic Host Configuration Protocol (DHCP) server and client support for dynamic IP address allocation

• DHCP relay agent support

• Optional support for IP address and subnet mask assignment via IP Control Protocol (IPCP)

• Support for multiple IP addresses on the Ethernet interface

• Multicast proxy support (IGMP Proxy) for support of video applications

• Transparent bridging (RFC 1483) support

• Managed bridge support for remote configuration and management

• Remote management with Telnet or HTML browser interface

• Trivial File Transfer Protocol (TFTP) support for software updates and configuration downloads/uploads

• Cisco Commander user-based graphical user interface for connecting and monitoring the DSL link

• RADIUS and SYSLOG support for remote status monitoring

• Simple Network Management Protocol (SNMP) Management Information Base (MIB) support

• PPP user authentication protocol (PAP)

• Multilevel password protection

Routing and Bridging Support

• IETF RFC 2364 Point-to-Point Protocol (PPP)

• IETF RFC 1483 encapsulation over AAL5

• IP (RFC 791)

  • UDP (RFC 792)

  • ICMP (RFC 791)

  • ARP (RFC 826)

  • RIP version 1 and RIP version 2 updating of routing tables

• Static routing

• Port Address Translation (PAT)

• Dynamic Host Configuration Protocol (DHCP) server and client (RFC 2131, RFC 2132)

• DHCP Relay Agent (RFC 1542)

• IEEE 802.1d transparent learning bridging Management

• RADIUS security and accounting (RFC 2058, RFC 2059)

• HTML browser interface

• Command-line interface

• Cisco Commander Graphical User Interface (GUI)

• Telnet

• TFTP

• SNMP MIB support (MIB-II, PPP MIB, spanning tree MIB, enterprise MIB)

• PAP

• Multilevel password protection