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TOPIC: IPSEC VPN resilience help

IPSEC VPN resilience help 7 years 3 months ago #36365

[SiteA]: PIX
[SiteB]: 2 x cisco ADSL routers (separate ISPs)

>Currently there is a IPSEC VPN connection between SiteA and SiteB (using one of the 2 ADSL connections). One ADSL is spare at the moment.
Is that possible to configure automatic failover via IPSEC VPN so if one of the ADSL lines go down, PIX create VPN tunnel via spare ADSL line?

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Re: IPSEC VPN resilience help 7 years 3 months ago #36385

It's possible, but if you have a second ADSL sitting there which isn't being used, why not just have two point-to-point VPN tunnels and use the routing to prefer one leaving the other as a fallback?

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Re: IPSEC VPN resilience help 7 years 3 months ago #36386

Thanks for your reply.
What, how can this be done if you have 2 tunnels to same site?

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Re: IPSEC VPN resilience help 7 years 3 months ago #36499

  • krik
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Hi,

As suggested by TheBishop use dynamic routing protocol (OSPF, RIP) in the tunnels between the PIX and the two ADSL routers...

Regards,
Christophe

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Christophe Lemaire
www.exp-networks.be/blog/
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