[Openswan Users] DPD

Shi Lang shilang at greenpacket.com
Wed Aug 9 12:38:43 EDT 2006

Hi Paul,


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.


Thanks very much



Shi Lang

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