Netopia 4622, Руководство по началу работы

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Introduction 1-1
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Overview
The Netopia 4622 T1 Router is a full-featured, stand-alone T1 router for connecting diverse local area networks
(LANs) to the Internet and other remote networks. The Netopia 4622 T1 Router uses a high per formance T1
line to provide your whole network with a high-speed connection to the outside world.
This section covers the following topics:
■
“Features and Capabilities” on page 1-1
■
“How to Use this Guide” on page 1-2
Features and Capabilities
The Netopia 4622 T1 Router provides the following features:
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Integrated T1 CSU/DSU for fractional or full T1 data ser vice
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Permanent connection to the Internet or remote sites at up to T1 speeds (1.54 Mbps)
■
Wire-speed routing (up to 1.54 Mbps) for all packet sizes
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Suppor ts all major T1 deployment models, including ATM, HDLC (Cisco and Copper Mountain), Frame
Relay, PPP, and PPP over Frame Relay
■
DS0 auto-detection for channelized T1 deployments
■
Eight-por t 10/100BaseT Ethernet switch connects easily to an existing LAN environment
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The Ethernet switch por ts suppor t auto-crossover and half- or full-duplex auto-sensing
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Business-class routing features, such as RIP1, RIP2, static routes, and suppor t for multiple subnets on the
LAN
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Network Address Translation (NAT), NAPT, and MultiNAT for flexible use of IP addresses and ser ver hosting
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DHCP client, ser ver, and relay agent for scalable deployment and private IP address management
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Various QoS parameters, including ATM: UBR and CBR; IP: TOS bit prioritization
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High availability solutions via LAN connected back-up default gateway router or dial-back via a modem
connected to the console por t
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Built-in firewall, packet filtering on source/destination address, ser vice, and protocol; up to 255 rules in up
to 8 filter sets
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IPSec VPN Gateway, suppor ting DES, 3DES encr yption, along with IKE or manual key management
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Built-in VPN acceleration for wire speed per formance
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PPTP VPN Gateway, suppor ting client or ser ver termination