[Openswan Users] Re: DPD

Paul Wouters paul at xelerance.com
Wed Aug 9 11:42:58 EDT 2006

On Wed, 9 Aug 2006, Shi Lang wrote:

> Recently I upgrade my openswan, and two sites establish one Site-to-site
> VPN, both sites set the DPD=clear.
> I purposely unplug one Site server Ethernet cable, and I can see both site
> servers DPD clear SAs and unrouted.
> But the problem is when I re-plugin the cable, site-to-site will not be
> re-established. 'ipsec auto status' are still showing unrouted.

> I do not know is this the correct behavior or not for such case where unplug
> the cable, dpd will not work in order to re-establish the Site-to-site VPN.

Do you have:


on both ends?

Building and integrating Virtual Private Networks with Openswan:

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