D-Link DSL-2540U User Manual page 7

DSL-2540U ADSL/Ethernet Router with Built-in Switch
User Manual
ATM/PPP Protocols:
Bridged and routed Ethernet encapsulation
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VC-based or LLC-based multiplexing
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ATM Forum UNI3.1/4.0 PVC (up to 8 PVCs)
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ATM Adaptation Layer Type 5 (AAL5)
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ITU-T I.610 OAM F4/F5 loopback
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ATM QoS
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PPP over ATM (RFC 2364)
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PPP over Ethernet (PPPoE)
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Keep-alive for PPP connections.
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Network Protocols and Functions:
Static IP routing
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NAT (Network Address Translation)
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DHCP server/client/relay
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DNS relay
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DDNS
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UPnP
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Support of VLAN
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IGMP proxy.
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Firewall and Access Management Functions:
Network Address Translation (NAT)
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Stateful Packet Inspection (SPI)
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URL filter
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Packet filtering (IP/ICMP/TCP/UDP)
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Virtual servers
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Prevention of DoS attacks
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Intrusion detection system
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DMZ
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Port Triggering.
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Page 7 of 86
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