26: Configuring IPSec 
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© Virtual Access 2017 
GW1000 Series User Manual 
Issue: 1.9    Page 226 of 350 
Web: DPD Action 
UCI: strongswan.@connection[X].dpdaction 
Opt: dpdaction 
Defines DPD (Dead Peer Detection) action. 
Clear down the tunnel if peer does not respond. 
Reconnect when traffic brings the tunnel up. 
Clear down the tunnel and bring up as soon as 
the peer is available. 
Restarts DPD when no activity is detected. 
Web: DPD Delay 
UCI: strongswan.@connection[X].dpddelay 
Opt: dpddelay 
Defines the period time interval with which R_U_THERE 
messages and INFORMATIONAL exchanges are sent to the 
peer. 
These are only sent if no other traffic is received. 
Web: DPD Timeout 
UCI: strongswan.@connection[X].dpdtimeout 
Opt: dpdtimeout 
Defines the timeout interval, after which all connections to a 
peer are deleted in case of inactivity. 
Web: n/a 
UCI: 
strongswan.@connection[X].inherit_child 
Opt: inherit_child 
Defines whether the existing phase two IPSEC SA is 
maintained through IKE rekey for this tunnel. This is normally 
set to match the behaviour on the IPSEC headend. 
Delete the existing IPSEC SA on IKE rekey 
Maintain the existing IPSEC SA on IKE rekey 
Table 76: Information table for IPSec connections settings 
26.2.5  Configure secrect settings 
Each tunnel requires settings to configure how the local end point of the tunnel proves 
its identity to the remote end point. 
 
Figure 120: IPSec secrets settings 
Web Field/UCI/Package Option 
Web: Enabled 
UCI: strongswan.@secret[X].enabled 
Opt: enabled 
Defines whether this set of credentials is to be used or not. 
Web: ID selector 
UCI: strongswan.@secret[X].idtype 
Opt: idtype 
Defines whether IP address or userfqdn is used. 
Web: ID selector 
UCI: strongswan.@secret[X].localaddress 
Opt: localaddress 
Defines the local address this secret applies to.