strongSwan

Test Step: Create the IPSec tunnel between device

Actually Result: IPSec tunnel disconnect after one night

Expected Result: IPSec tunnel should keep connective until manual close the function

Linux strongSwan U5.8.1/K4.14.76-15.0.0
University of Applied Sciences Rapperswil, Switzerland

ipsec.conf two device is the same setting,Only left and right option exchange.

config setup
conn test
 aggressive=no
 authby=secret
 left=10.10.10.10
 right=10.10.10.13
 leftsubnet=192.168.127.0/24
 rightsubnet=192.168.128.0/24
 type=tunnel
 esp=aes128-sha2_256-modp2048
 rekeymargin=9m
 rekeyfuzz=100%
 keyingtries=%forever
 keyexchange=ikev1
 ikelifetime=1h
 keylife=0m
 ike=aes128-sha2_256-modp2048
 auto=add
 dpddelay=30
 dpdtimeout=120
 dpdaction=hold
conn any_wan0
 left=10.10.10.10
 leftsourceip=10.10.10.10
 right=%any

When after a while (not sure how long it has actually passed), it will be disconnected.When restart the ipsec service the connection will re-connection.
Matbe somebody have any suggestions to track this issue?
I ’m afraid when i open log message the amount of information is too large due to device space full.