How to Configure IPSec Load Balancing Via Primary and Secondary ISP Connection

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How to Configure IPSec Load Balancing Via Primary and Secondary ISP Connection

L3 Networker

Dear Team,


I have a Dual ISP (Primary/Secondary).

I need to configured IPSec Tunnel via Load Balancing method. 

What the method that we can apply to achive this.




Karthikeyan Balamurugan


Community Team Member

Hi @karthikeyanB ,


Can this article help you ?

OSPF over IPSec with load balancing via ECMP dual ISP


Cheers !


LIVEcommunity team member, CISSP
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L0 Member

We do this and wound up using 2 virtual routers with BGP to handle failover.  We aren't doing load balancing, just redundant failover, though.

You could replace OSPF with BGP in that article and do load balancing.  Might have to run on the same virtual router though.  I've read the dual virtual router with BGP article as well and yes, this is an primary/failover VPN solution.  Remember, you must enable ECMP and if using iBGP there are a few more hoops to jump through.

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