[strongSwan-dev] Help needed on Dead peer detection

[Tobias Brunner]

Hi Bhashkar,

> One more point, is DPD sent periodically to enquire if peer is dead or
> only when there is no inbound traffic for 'dpddelay' seconds ?

Yes, currently a DPD exchange is initiated only if there hasn't been any
inbound IKE or IPsec traffic for `dpddelay`.

> I am a beginner in IPSecurity, not much idea abut strongswan. Is there
> any Doc/guide to better understand strongswan code.

Try to start with [1].

Regards,
Tobias

[1]
https://wiki.strongswan.org/projects/strongswan/wiki/DeveloperDocumentation