(ATM Adaption Layer type 5 (AAL5
Bridged or routed Ethernet encapsulation
VC and LLC based multiplexing
MAC Encapsulated Routing
ATM Forum UNI3.1/4.0 PVC
ATM Cell Format ITU-T Rec. I.361
(PPP over ATM (RFC 2364
(PPP over Ethernet (PPPoE
(PPP Link Control Protocol (LCP
(Internet Protocol Control Protocol (IPCP
(PPP Authentication Protocol (PAP
PPP Challenge Handshake
(Authentication Protocol (CHAP
Microsoft PPP CHAP extensions
Built-in NAT firewall
MAC Filtering
Packet Filtering
(Stateful Packet Inspection (SPI
(Denial of Service prevention (DoS
Intrusion Detection and Prevention System/Log
User Authentication PAP
User Authentication CHAP
DMZ
Web-based GUI configuration
3-level login control for local/remote management
Firmware upgraded, configuration data uploaded and downloaded via Webbased GUI
TFTP for firmware, configuration files and image files upgrade and download
TFTP server and client
Code Lock to prevent from improper firmware upgrade through UI, TFTP, and TR-069
(Local access via console (optional
ADSL/ADSL2/ADSL2+ manual selection and auto fallback
Auto VPI/VCI detection
Configuration backup and restore
Diagnostics
Log & Trace function
(SNMP v.1 and v.2c with MIB-I and MIBII (optional
(TR-069 compliant with ACS (optional
Ethernet to ADSL Self-Learning Transparent Bridging
(Internet Control Message Protocol (ICMP
(Network Address Translation (NAT), IP Static Routing, Routing Information Protocol (RIPv1, RIPv2
Virtual Server, Port Forwarding
NAT ALGs: MSN/AOL/Yahoo Messenger, FTP, CUSEEME, Real Audio, MIRC, SIP, ICQ, games, SNMP
Dynamic Host Configuration Protocol (DHCP); DHCP server, client, and relay
(SNTP, DNS Relay, DDNS proxy and IGMP proxy (v1/v2/v3