Applications

Networking application I: Integrated networking solution of large and medium sized enterprises:

Figure 2 Integrated networking solution of large and medium sized enterprises

Medium and small sized enterprises may employ full series MSR 20, 30 and 50 routers to carry out the comprehensive service networking. MSR 50 series routers serve as enterprise center equipment and branches use MSR 20/30 series routers as access equipment and provide comprehensive services such as data, video, voice and fax. For large-sized enterprises, they can adopt high-end and core routers and the subsidiary interfaces can use MSR 30/50 as edge and convergence layer access equipment.

√ The headquarter employs H3C MSR 50 series routers, connects various branch networks via Ethernet, Digital Data Network (DDN), frame relay, X.25 or Synchronous Digital Hierarchy (SDH) network, and constructs the enterprise backbone network. Branches use H3C MSR 20/30 series routers to connect remote users via Ethernet and PSTN/ISDN, and provide access services to home office and mobile office users.

√ MSR series routers provide such mainstream voice communication protocols such as SIP and H.323 to users, realize emergency call/power failure call/dial-up policy/fax/E-PHONE and other various voice services and include abundant voice interface types covering FXS/FXO/E1V1/T1V1/E&M. The series routers adopt an expandable architecture and DSP resource whole-system for unified allocation, improve the utilization of DSP resource greatly, enhance the access density and realize the TDM switching of local users. Consequently, the voice quality can be guaranteed.

√ MSR series routers realize the convergence of routing and switching functions. Thus, users can use all features of routers and switches seamlessly.

Networking application II: Security service networking application

MSR series routers inherit all security features of the previous software features of AR 18/28/46 and support more newly developed security features of Comware V5 features.

Enterprises can use MSR 50 series routers as the enterprise core equipment. Branches use MSR 20/30 series routers as access equipment, combine with the high service performance advantage of MSR30/50 routers to provide the high-quality and multi-service comprehensive security network.

The following is a typical security networking application of MSR 50/MSR 20 routers.

Figure 3: Security Service Networking

√ In the enterprise headquarter; MSR50 routers are employed as the enterprise application security service gateway and external firewall to ensure the intranet security, together with the high performance security service. Meanwhile, switching modules are adopted, using the VLAN isolation and 8021.X function to implement the security access certification on the intranet users.

√ In the enterprise branches, MSR20 routers are adopted as VPN and IPSec access link. Meanwhile, MSR20 routers are used as VPN access gateway and provide VPN access to SOHO and mobile employees.

Networking application III: IPv6 Networking Application

MSR Series Routers support IPv6 and are compatible with IPv4 network. By adopting the dual-stack technology, MSR Series Routers effectively ensure co-existence of the pure IPv4 devices and the pure IPv6 devices in the same network. The following is one of the networking diagrams for IPv6 application.

Figure 4 IPv6 Networking Application

The headquarters network uses MSR 50 Series Routers which adopt the IPv6/IPv4 dual-stack technology while the branches use the MSR 20/30 Series Routers. Networking can be conducted with the IPv4 technology alone or with the IPv6/IPv4 dual-stack technology. For network communications from IPv6 to IPv4, the tunneling technology can also be used, thus implementing seamless communications between the IPv6 and IPv4 networks.