DSL-2520U ADSL2/2+ Router with USB and Ethernet Ports
User Manual
Overview
ATM/PPP Protocols:
• Bridged and routed Ethernet encapsulation
• VC-based or LLC-based multiplexing
• ATM Forum UNI3.1/4.0 PVC (up to 8 PVCs)
• ATM Adaptation Layer Type 5 (AAL5)
• ITU-T I.610 OAM F4/F5 loopback
• ATM QoS
• PPP over ATM (RFC 2364)
• PPP over Ethernet (PPPoE)
• Keep-alive for PPP connections.
Network Protocols and Functions:
• Static IP routing
• NAT
• DHCP server/client/relay
• DNS relay
• DDNS
• UPnP
• Support of VLAN
• IGMP proxy.
Firewall and Access Management Functions:
• Network Address Translation (NAT)
• Stateful Packet Inspection (SPI)
• URL filter
• Packet filtering (IP/ICMP/TCP/UDP)
• Virtual servers
• Prevention of DoS attacks
• Intrusion detection system
• DMZ
• Port Triggering.
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