Page 2 - Introduction
Introduction Internet-based WAN Backup Solutions using NetVanta 2 Copyright © 2005 ADTRAN, Inc. 61200890L1-29.4A Introduction WAN communication links are traditionally the weakest component in computer networking. Unlike LAN components, which are typically in the owner's direct physical and administ...
Page 3 - IPsec VPN over Dial-up Internet Connection; Remote NetVanta Router Configuration:
Internet-based WAN Backup Solutions using NetVanta The Internet as an Alternative 61200890L1-29.4A Copyright © 2005 ADTRAN, Inc. 3 Solution 1 - Primary = Frame Relay Service Provider, Alternate = ISP via Dial-up In this scenario (see Figure 1), a Frame Relay service provider supplies the Frame Relay...
Page 5 - ! link interface ppp 2/ISDN for dial backup in case this VC is lost
Internet-based WAN Backup Solutions using NetVanta The Internet as an Alternative 61200890L1-29.4A Copyright © 2005 ADTRAN, Inc. 5 ip address 10.254.255.26 255.255.255.252 access-policy FR dial-backup number 2222 digital-64k 1 1 ppp 2 ! link interface ppp 2/ISDN for dial backup in case this VC is lo...
Page 6 - IPsec VPN over PPPoE/DSL-Cable ISP Connection
The Internet as an Alternative Internet-based WAN Backup Solutions using NetVanta 6 Copyright © 2005 ADTRAN, Inc. 61200890L1-29.4A Solution 2 - Primary = Frame Relay Service Provider, Alternate = ISP via PPPoE/DSL-Cable In this scenario (see Figure 2), a Frame Relay service provider supplies the Fra...
Page 8 - ! inbound on FR allows any session from CENTRAL
The Internet as an Alternative Internet-based WAN Backup Solutions using NetVanta 8 Copyright © 2005 ADTRAN, Inc. 61200890L1-29.4A access-policy FR!interface ppp 1 description PPPoE Interface to ISP with Firewall, VPN to CENTRAL Gateway ip address negotiated access-policy PoE crypto map HOSTviaPoE p...
Page 9 - Connectivity via IPsec VPN Dialup ISP Connection
Internet-based WAN Backup Solutions using NetVanta The Internet as an Alternative 61200890L1-29.4A Copyright © 2005 ADTRAN, Inc. 9 Solution 3 - Primary = ISP via PPPoE/DSL-Cable, Alternate = ISP via Dial-up In this scenario (see Figure 3), the remote site has two ISP accounts, one via PPPoE using a ...
Page 12 - ! primary default route
The Internet as an Alternative Internet-based WAN Backup Solutions using NetVanta 12 Copyright © 2005 ADTRAN, Inc. 61200890L1-29.4A !ip policy-class DIAL allow reverse list REMOTE_to_CENTRAL!ip policy-class LOCALLAN allow list REMOTE_to_CENTRAL ! nat source list Internet interface ppp 1 overload pol...