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Cisco uBR7225VXR Universal Broadband Router Hardware Installation Guide
OL-17309-02
Chapter 1 Cisco uBR7225VXR Overview
Supported System Configurations Overview
VPN Services
The Cisco uBR7225VXR router supports VPN services. Figure 1-5 shows 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
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 1-9 shows a typical two-way configuration
involving Voice-over-IP (VoIP) telephony services.
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