10-25-2009 10:50 AM - edited 03-04-2019 06:29 AM
Hi,
Sounds like my earlier post was not clear on this topic.
There are 3 IPSEC GRE Tunnel between Site_A to Site_B with EIGRP as routing protocol
On Site_B each IPSEC GRE Tunnel is with different ISP on the Same Router.
But traffic flows only from tunnel which has a static entry to destination public IP.
How to tune the config to make all tunnels active and send traffic when other tunnels are down or possible a load balancing scenario.
Is this possible.
10-26-2009 03:54 AM
what platform are you using?
Have you looked at DMVP, Dynamic Routing over VPN.
10-26-2009 06:42 AM
Hi, Based on some reading I am sure DMVPN can do this.
But I am keen to understand will it work as I mentioned.
If more information is needed in terms of config, I can upload.
10-26-2009 10:44 AM
you can certainly run unicast dynamic routing through ipsec tunnels without problem and detect site failover and reconverge.
see this example on cisco PIX/ASA http://www.cisco.com/en/US/products/hw/vpndevc/ps2030/products_configuration_example09186a00804acfea.shtml
On what are you terminating the tunnels on?
10-26-2009 11:49 AM
Thanks for the support.
Tunnels are terminated on Routers at both end. Have a look at attachment.
In Common scenario with one Service provider terminating on Router we have
ip route 0.0.0.0 0.0.0.0 192.168.4.1
If I have three ISP terminated on same router with sub-interfaces and have 3 GRE tunnels then what needs to be tuned to make it working.
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