Proprietary & Confidential
Page
7 of 86
Revision: V1.0
Apr. 23, 2008
You must register for this service with a Dynamic DNS client.
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Multiple PVC (Permanent Virtual Circuit) Support
Your DSL-2120/2120W supports up to 8 PVCs.
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ADSL Standards
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Compliant to ITU-T G.992.1 (G.dmt), G.992.3 (ADSL2), G.992.4, and G.992.5
(ADSL2+) Annex A, B, I, J, L, and M
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Supports Multi-Mode standard (ANSI T1.413, Issue 2; G.dmt (G.992.1); G.994.1
and G.996.1 (for ISDN only); G.991.1; G.lite (G992.2))
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Supports OAM F4/F5 loop-back, AIS and RDI OAM cells
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ATM Forum UNI 3.1/4.0 PVC
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Supports up to 8 PVCs (UBR, CBR, VBR)
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Multiple Protocols over AAL5 (RFC 1483)
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PPP over AAL5 (RFC 2364)
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PPP over Ethernet (RFC 2516)
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DHCP Support
Dynamic Host Configuration Protocol (DHCP) allows individual clients (computers) to get
TCP/IP configuration information at start-up from a DHCP server. The DSL-2120/2120W has
its built-in DHCP server capability enabled by default. It can assign IP addresses, an IP default
gateway and DNS servers to DHCP clients. The DSL-2120/2120W can also act as a substitute
DHCP server (DHCP Relay), relaying IP address assignment from the actual DHCP server to
the clients.
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IP Alias
IP Alias allows you to partition a physical network into logical networks over the same
Ethernet interface. The DSL-2120/2120W can support up to 3 logical LAN interfaces through
its physical Ethernet interface with the DSL-2120/2120W acting as the gateway for each
network.
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IP Policy Routing (IPPR)
Normally, routing is based only on the destination address; the router forwards the packet
along the shortest path. IP Policy Routing (IPPR) is a method to override this routing behavior
and change the forwarding path based on policies defined by the network administrator.
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Protocol Support
♦
Point-to-Point
Protocol
(PPP) link layer protocol
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PPP over PAP (RFC 1334)
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PPP over CHAP (RFC 1994)
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RIP I/RIP II
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IGMP
Proxy
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ICMP
support
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MIB II support (RFC 1213)