Nortel 252 NT5S20BAE6 用户手册

产品代码
NT5S20BAE6
下载
页码 4
Input/output ports
Business Secure Router 222
• One (1) WAN port: 10/100 Base-T Auto-sensing for RJ-45 connector
• Four (4) LAN ports: Ethernet 10/100 Mbps
Business Secure Router 252
• One (1) WAN port: Built-in ADSL2+ modem for RJ-11 connector
• Four (4) LAN ports: Ethernet 10/100 Mbps
Virtual private network (VPN) services
• Ten (10) IPSec tunnels — Branch and client terminations
• IKEv1 Main Mode and IKEv1 Aggressive Mode
• Up to three (3) IP pools for client
• Sixteen (16) split networks configured; 64 subnets specified for split
(inverse) network
• Diffie-Hellman Group 1, 2
• IPSec tunnel mode, IPSec transport mode
• Support for dynamically addressed peers — ABOT
• Network address translation (NAT) traversal
• Keep Alive — For branch-office tunnels and client tunnels
• Termination and emulation — Nortel VPN Router clients
Encryption services
• DES (Data Encryption Standard), 3DES (Triple-DES)
• AES-128 (Advanced Encryption Standard 128) — Branch-office and
client tunnels
• AES-192 and AES-256 — Branch-office tunnels
• SHA-1 and MD-5
Authentication services
• Pre-Shared Secrets 
• Microsoft, Entrust and Verisign digital certificates; PKCS #10 and #7
certificates 
• Certificate Management Protocol (CMP)
• External RADIUS support 
• 802.1x/EAP support
Firewall protection
• Stateful packet inspection
• IP Application Inspection (FTP, SMTP, HTTP. Telnet, SSL, DNS, etc.)
• Denial of Service (DoS) detection and prevention
• URL filtering 
• Content filtering
IP services
• Network Address Translation (NAT): Many-to-one, static, many-to-
many, many one-to-one; port forwarding; IPSec pass-through; multiple
simultaneous VPN connections; SIP and H.323 Application Layer
Gateway (ALG); port-restricted cone NAT; NAT support for tunnel-
mode IPSec tunnels
• IP routing: Clear text routing, static routing, RIP v1 and v2, IGMP
• Dynamic Host Control Protocol (DHCP): Client, server, relay, static
mapping (eight IP address lease mapping)
• Domain Name Service (DNS): DNS proxy, dynamic DNS
• Network Time Protocol (NTP)
• Quality of Service (QOS): Class-based queuing and bandwidth allocation
Layer 2 protocols
• Business Secure Router 222: Point-to-point tunneling protocol (PPTP),
Point-to-point protocol over Ethernet (PPPoE), Ethernet Encapsulation 
• Business Secure Router 252: Point-to-point protocol over ATM
(PPPoA), Point-to-point protocol over Ethernet (PPPoE), RFC1483,
Ethernet Encapsulation  
• IP masquerade/alias — Configurable MAC address
Management
• Central and integrated management by Nortel Business Element
Manager
• Web graphical user interface 
• Command-line interface 
• Built-in diagnostic tool 
• SNMPv1/v2
• TFTP/FTP firmware upload 
• Remote management via FTP/Telnet/Web 
• Configuration backup and restore via FTP and Web serial console port 
Physical
• Dimensions: 5.7 x 7.7 x 2.2 in/14.5 x 19.5 x 5.5 cm (W x D x H)
• Weight: 0.9 lbs/0.4 kg
Environmental
• Operating temperature: 0ºC to 50º Celsius, 32º – 122º Fahrenheit
• Humidity: Up to 90 percent (non-condensing)
• Altitude: Up to 10,000 feet (3,050 meters)
Technical specifications
N N 1 1 7 0 0 0 - 0 4 1 6 0 7
> BUSINESS MADE SIMPLE
In the United States:
Nortel 
35 Davis Drive
Research Triangle Park, NC 27709 USA
In Canada:
Nortel 
195 The West Mall
Toronto, Ontario M9C 5K1 Canada
In Caribbean and Latin America:
Nortel 
1500 Concorde Terrace
Sunrise, FL 33323 USA
In Europe:
Nortel 
Maidenhead Office Park, Westacott Way
Maidenhead Berkshire SL6 3QH UK
In Asia:
Nortel 
United Square
101 Thomson Road
Singapore 307591
Phone: (65) 6287 2877
Nortel is a recognized leader in delivering communications capabilities that enhance the
human experience, ignite and power global commerce, and secure and protect the world’s 
most critical information. Our next-generation technologies, for both service providers and
enterprises, span access and core networks, support multimedia and business-critical applica-
tions, and help eliminate today’s barriers to efficiency, speed and performance by simplifying
networks and connecting people with information. Nortel does business in more than 
150 countries. For more information, visit Nortel on the Web at www.nortel.com
For more information, contact your Nortel representative, or call 1-800-4 NORTEL or 
1-800-466-7835 from anywhere in North America.
Nortel, the Nortel logo, Nortel Business Made Simple and the Globemark are trademarks of
Nortel Networks. All other trademarks are the property of their owners.
Copyright © 2007 Nortel Networks. All rights reserved. Information in this document is
subject to change without notice. Nortel assumes no responsibility for any errors that may
appear in this document.