D-Link DSL-2500U User Manual download pdf (Page 2)

DSL-2500U

WHAT THIS PRODUCT DOES

This ADSL modem router connects your computer

to the Internet using an integrated high-speed

ADSL2+ interface. It provides NAT and SPI ﬁrewall

to protect your computer from Internet attacks,

and QoS functions to prioritize trafﬁc for smooth

on-line games, streaming multimedia and voice

communication over the Internet, as well as

download of large ﬁles, photos, music and video.

When needed, multiple computers at home and

the ofﬁce can also share the high-speed Internet

line using the router’s built-in DHCP server/NAT

functions and an externally connected Ethernet

switch.

GET HIGH-SPEED ADSL SPEED

Ready ADSL connection with up to 24Mbps

downstream and 2Mbps upstream. Watch TV,

listen to live music and broadcast on the Internet,

play games and experience clear Internet phone

calls. Now, smooth streaming multimedia and

VoIP voice are possible at home and in the ofﬁce

through a simple connection to this router.

TECHNICAL SPECIFICATIONS

DEVICE INTERFACES

RJ-11 ADSL port

RJ-45 10/100BASE-TX Ethernet LAN port with auto MDI/MDIX

Factory reset button

ADSL STANDARS

Full-rate ANSI T1.413 Issue 2

ITU-T G.992.1 (G.dmt) Annex A

ITU-T G.992.2 (G.lite) Annex A

ITU-T G.994.1 (G.hs)

ADSL2 STANDARDS

ITU-T G.992.3 (G.dmt.bis) Annex A/L/M

ITU-T G.992.4 (G.lite.bis) Annex A

Annex M compatible: up to 2Mbps upstream

ADSL2+ STANDARD

ITU-T G.992.5 Annex A/M

ATM/PPP PROTOCOLS

Multiple protocol encapsulation over AAL5

Bridged and routed Ethernet encapsulation

Logical Link Control (LLC) encapsulation

VC-based multiplexing

MAC Encapsulated Routing

ATM Forum UNI3.1/4.0 PVC Up to 8 PVCs

Multiple services, PPPoE, bridge, MER over single PVC: optional

ATM Cell Format ITU-T Rec. I.361

ATM Adaptation Layer Type 5 (AAL5)

ITU-T I.610 OAM Principles & Functions include F4/F5 loopback

ATM QoS (Trafﬁc Shaping) UBR, CBR, rt-VBR, nrt-VBR

PPP over ATM

PPP over Ethernet RFC 2516

PPP Link Control Protocol (LCP)

Internet Protocol Control Protocol (IPCP)

PPP Authentication Protocol (PAP)

PPP Challenge Handshake Authentication Protocol (CHAP)

Microsoft PPP CHAP extensions

NETWORK PROTOCOLS

Ethernet to ADSL Self-Learning Transparent Bridging

Internet Control Message Protocol (ICMP)

IP Static Routing

Routing Information Protocol (RIP, RIPv2)

Network Address Translation (NAT)

Virtual Server, Port Forwarding

NAT ALGs (optional): MSN/AOL/Yahoo Messenger, FTP, SNMP,

CUSEEME, Real Audio, MIRC, SIP, ICQ, games

DHCP server/client/relay

DNS Relay, DDNS

IGMP proxy v.3 supported

Simple Network Time Protocol (SNTP)

FIREWALL

NAT ﬁrewall

MAC Filtering

Packet Filtering IP/ICMP/TCP/UDP

URL Content Filtering (keyword ﬁltering)

Domain Blocking

Stateful Packet Inspection (SPI)

Denial of Service prevention (DoS)

Intrusion Detection

System/Log

User Authentication PAP RFC 1334

User Authentication CHAP RFC 1994

DMZ

VPN

IPSec/PPTP/L2TP pass-through

QOS

Trafﬁc Prioritization/Classiﬁcation:

Port-based priority

802.1p (8 queues)

Diffserv TOS

Application port-based priority

User-deﬁned priority (TCP/UDP/ICMP)

4 priority queues per PVC

DSL-2500U HIGH-SPEED SECURE INTERNET ACCESS

YOUR COMPUTER INTERNET

CONNECTION

RJ-11 ADSL Port

RJ-45 Ethernet

LAN Port

Power ON/OFF

Switch

Socket for Power

Adapter

1 2 3

ADSL2+ MODEM ROUTER 1
DSL-2500U 2

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D-Link DSL-2500U User Manual Page 2

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