Cisco Systems UBR7225VXR specifications VPN Services, IP Telephony Services

Chapter 1 Cisco uBR7225VXR Overview

Supported System Configurations Overview

VPN Services

The Cisco uBR7225VXR router supports VPN services. Figure 1-5shows a typical VPN architecture. VPNs can be initiated at a cable modem residing at a subscriber site or can be initiated by the CMTS at the headend or distribution hub depending upon your particular Cisco IOS software image.

Figure 1-5 Two-Way VPN Network Example

Branch

office

Secure

VPN

tunnels

Corporate

Secure

VPN

tunnel

Cisco

uBR7225VXR

Internet

Telecommuter

PSTN

271651

Note Many VPN architectures involve the use of encryption and decryption. Encryption and decryption are subject to export licensing controls. For more information, refer to Regulatory Compliance and Safety Information for Cisco uBR7200 Series Universal Broadband Routers, at the following URL:

http://www.cisco.com/en/US/docs/cable/cmts/ubr7200/regulatory/compliance/ub72rcsi.html

IP Telephony Services

The Cisco uBR7225VXR router supports the transmission of packetized voice and facsimile traffic over the cable and IP backbone network. Figure 1-6 on page 1-9shows a typical two-way configuration involving Voice-over-IP (VoIP) telephony services.

Cisco uBR7225VXR Universal Broadband Router Hardware Installation Guide

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