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Conti vit y 251 ABOT D eployment
Version 1. 0
April 26, 2004
1.2 Target
Audiences
The target audiences are network designers, network deployment engineers, installation
engineers, sales engineers for Enterprises or Carriers, network planners, and those who are
interested in using the Web GUI to configure or deploy ABOT for Contivity 200 series units.
1.3 Contivity 251 brief
Contivity 251 (C251) is the ideal VPN over high-speed Internet access solution for SOHO and
small branch office. It is capable of terminating IPSec at CO Contivity and are ideal for provider
provisioned networks or large enterprise deployments
C251 supports up to five VPN Branch Office Tunnel (BOT) connections simultaneously, and
integrates four high-speed 10/100Mbps LAN ports and one high-speed ADSL port into a single
package. The ADSL port supports downstream transmission rates up to 8Mbps and upstream
transmission rates up to 832Kbps.
C251 support two types of VPN connection: Branch Office Tunnel (BOT) and Contivity Client
tunnel. The BOT supports full VPN rules, while Contivity Client supports a simple VPN rule.
C251 VPN is based on IPSec standard and is fully interoperable with other IPSec-based VPN
product.
For full feature description, refer to NTP “Contivity 251 VPN Switch User’s Guide” from Nortel
Customer Support Web
Figure 2 C251 Front View
Figure 3 C251 Rear View