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ADTRAN Internet-Based WAN Backup manual

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Table of contents for the manual

  • Page 1

    61200890L1-29.4A May 2005 Configuration Guide Internet-based W AN Backup Solutions using NetV ant a Overview This configuration guide delineates th e advantages of using the NetV anta product line and the Internet for wide area network (W AN) connectivity . It includes example scenarios using Internet-based backup solutions.[...]

  • Page 2

    Introduction Internet-based WAN Backu p Solutions using NetVanta 2 Copyright © 2005 ADTRAN, Inc. 61200890L1-29.4A Introduction W AN communication links are traditi onally the weakest comp onent in computer networking. Unlike LAN components, which are typically in the owner's direct ph ysical and administrative control, the facilities that mak[...]

  • Page 3

    Internet-bas ed WAN Backup Solutions using Ne tVanta The Internet as an Alternative 61200890L1-29.4A Copyright © 2005 ADTRAN, Inc. 3 Solution 1 - Primary = Frame Relay Servic e Provider , Alternat e = ISP via Dial-up In this scenario (see Figure 1), a Frame Relay ser vice provider supplies the Frame Relay access line and virtual circuit that conne[...]

  • Page 4

    The Internet as an Alternative Internet- based WAN Backup Solutions using NetVanta 4 Copyright © 2005 ADTRAN, Inc. 61200890L1-29.4A local-id fqdn REMOTE peer 10.254.255.85 attribute 10 authentication pre-share group 2 lifetime 300 ! crypto ike remote-id fqdn CENTRAL . preshared-key 1234567890 ! crypto ipsec transform-set dessha esp-des esp-sha-hma[...]

  • Page 5

    Internet-bas ed WAN Backup Solutions using Ne tVanta The Internet as an Alternative 61200890L1-29.4A Copyright © 2005 ADTRAN, Inc. 5 ip address 10.254.255.26 255.2 55.255.252 access-policy FR dial-backup number 2222 d igital-64k 1 1 ppp 2 ! link interface ppp 2/ISDN for dial backup in case this VC is lost ! interface ppp 2 description Dial Backup [...]

  • Page 6

    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 Se rvice Provider , Alternate = ISP via PPPoE/DSL-Cable In this scenario (see Figure 2), a Frame Relay ser vice provider supplies the Frame Relay access line and virtual circuit that[...]

  • Page 7

    Internet-bas ed WAN Backup Solutions using Ne tVanta The Internet as an Alternative 61200890L1-29.4A Copyright © 2005 ADTRAN, Inc. 7 local-id fqdn REMOTE peer 10.254.255.85 attribute 10 authentication pre-share group 2 lifetime 300 ! crypto ike remote-id fqdn CENTRAL . preshared-key 1234567890 ! crypto ipsec transform-set dessha esp-des esp-sha-hm[...]

  • Page 8

    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 w ith Firewall, VPN to CENTRAL Gateway ip address negotiated access-policy PoE crypto map HOSTvi aPoE ppp authentication chap username ISP_PPPoE_Sr[...]

  • Page 9

    Internet-bas ed WAN Backup Solutions using Ne tVanta The Internet as an Alternative 61200890L1-29.4A Copyright © 2005 ADTRAN, Inc. 9 Solution 3 - Primary = ISP via PPPoE/DSL-Cable, Alte rnate = ISP via Dial-up In this scenario (see Figure 3), th e remote site ha s two ISP accounts, one via PPPoE using a DSL or cable modem and another via dial-up. [...]

  • Page 10

    The Internet as an Alternative Internet- based WAN Backup Solutions using NetVanta 10 Copyright © 2005 ADTRAN, Inc. 61200890L1-29.4A ip firewall fast-nat-failover ! ! If using the PPPoE and Dial-up ISP co nnections for loca l Internet access ! and using 'NA T source' with the addres s of the currently active interface, the ! previous com[...]

  • Page 11

    Internet-bas ed WAN Backup Solutions using Ne tVanta The Internet as an Alternative 61200890L1-29.4A Copyright © 2005 ADTRAN, Inc. 11 no shutdown ! interface eth 0/2 description Ethernet to DSL/Cable Modem no ip address no shutdown ! interface bri 1/3 description ISDN link to local PSTN i s d n s p i d 1 11111 isdn spid2 1 1 1 12 no shutdown ! int[...]

  • Page 12

    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 in terface ppp 1 overload policy PoE nat source list Internet interface p[...]