ā08-04-2010 11:34 PM - edited ā03-04-2019 09:19 AM
Hello
I got Dual VPN Hub VPN scenario
At HQ we got VPN-Hub#1 && VPN-HUB#2
On each Spoke One Tunnel points to Hub#1 and second Tunnel points to Hub#2
Example on Spoke3
Tunnel 1 will be Active Tunnel pointing to HUB#1 ( all traffic to HQ goes via this Tunnel )
Tunnel 2 will be Active tunnel pointing to Hub#2 but no traffic will pass to HQ unless reachability to HQ is down via Tunnel 1
I tested the attached config but doesnt seems to work. ( I will have IPSEC over GRE after routing issue is resolved )
Another concern would be how to avoid recursive routing in this scenario
Please comment.
ā08-05-2010 03:38 PM
Hello
Any feedback why the attached config in original post not woking...
ā08-06-2010 03:32 AM
Hello,
To which device do IPs 1.1.1.2, 2.2.2.1 and 3.3.3.2 belong to? You use them as the next-hop in your default routes. If that IPs are not reachable your tunnel interface will be down.
I changed those next-hops by the exit interface Fa0/0 and I can ping every IP on your scenario via the tunnel.
Hope this helps.
ā08-06-2010 08:49 AM
Hi
Yes reachability is there to HQ from Spoke3 router when Tunnel 1 is down.
But no traffic passes from Tunnel 2 to HQ and vise-versa.
From HQ SW the traffic to Spoke3 sems to hit the Hub1 instead of Hub2 ( when Tunnel 1 is down ) and traffic is drop
thansk
ST
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