[strongSwan-dev] Route lookup for IKE packets

pothuganti sridhar pothuganti.sridhar at gmail.com
Wed Jul 20 08:43:36 CEST 2016


In my deployment I have multiple WAN interfaces and they are managed by
policy based routing (using mwan3 module). In this deployment I will be
having multiple default gateways with different metrics.

With the above deployment strongswan is picking the routes very randomly,
when left=%any.

In the wiki I read that strongswan will parse the routing table itself to
send out the IKE packets. Here I have few questions.

Does strongswan IKE route lookup support policy based routing? And even, if
it does not support policy based routing, the default route with lower
metric is also not picked up properly.

Can anyone please help in debugging this issue. Any pointer like where the
IKE route lookup code  OR file containing this logic would be helpful.

Thanks in advance.

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