This design guide defines the comprehensive functional components required to build an enterprise virtual private network (VPN) solution that can transport IP telephony and video. This design guide identifies the individual hardware requirements and their interconnections, software features, management needs, and partner dependencies, to enable customers to deploy, manage, and maintain an enterprise VPN solution. | 111 111 CISCO. V3PN Redundancy and Load Sharing Design Guide OL-7102-01 Version Americas Headquarters Cisco Systems Inc. 170 West Tasman Drive San Jose CA 95134-1706 USA http Tel 408 526-4000 800 553-NETS 6387 Fax 408 527-0883 ALL DESIGNS SPECIFICATIONS STATEMENTS INFORMATION AND RECOMMENDATIONS COLLECTIVELY DESIGNS IN THIS MANUAL ARE PRESENTED AS IS WITH ALL FAULTS. CISCO AND ITS SUPPLIERS DISCLAIM ALL WARRANTIES INCLUDING WITHOUT LIMITATION THE WARRANTY OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING USAGE OR TRADE PRACTICE. IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT SPECIAL CONSEQUENTIAL OR INCIDENTAL DAMAGES INCLUDING WITHOUT LIMITATION LOST PROFITS OR LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR INABILITY TO USE THE DESIGNS EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. THE DESIGNS ARE SUBJECT TO CHANGE WITHOUT NOTICE. USERS ARE SOLELY RESPONSIBLE FOR THEIR APPLICATION OF THE DESIGNS. THE DESIGNS DO NOT CONSTITUTE THE TECHNICAL OR OTHER PROFESSIONAL ADVICE OF CISCO ITS SUPPLIERS OR PARTNERS. USERS SHOULD CONSULT THEIR OWN TECHNICAL ADVISORS BEFORE IMPLEMENTING THE DESIGNS. RESULTS MAY VARY DEPENDING ON FACTORS NOT TESTED BY CISCO. CCVP the Cisco Logo and the Cisco Square Bridge logo are trademarks of Cisco Systems Inc. Changing the Way We Work Live Play and Learn is a service mark of Cisco Systems Inc. and Access Registrar Aironet BPX Catalyst CCDA CCDP CCIE CCIP CCNA CCNP CCSP Cisco the Cisco Certified Internetwork Expert logo Cisco IOS Cisco Press Cisco Systems Cisco Systems Capital the Cisco Systems logo Cisco Unity Enterprise Solver EtherChannel EtherFast EtherSwitch Fast Step Follow Me Browsing FormShare GigaDrive GigaStack HomeLink Internet Quotient IOS iPhone IP TV iQ Expertise the iQ logo iQ Net Readiness Scorecard iQuick Study LightStream Linksys MeetingPlace MGX Networking Academy Network Registrar Packet .