Linode Ubuntu16.04，安装好之后，依然是8分钟掉线。 about one-key-ikev2-vpn HOT 3 CLOSED

这里并没有重现此问题.
而且更改了dh14 加密以后,iOS9也不应该再8分钟断线了
麻烦提供一下客户端系统和版本,以及断线时间点前后的日志信息

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Mac OS X 10.11.6
Linux strongSwan U5.3.5/K2.6.32-042stab116.1
链接ikev2后分配到ios_ikev2
504秒后断开
服务器端无日志产生
之后服务器端发送DPD， 然后检测不到活跃链接
最后: 11[CFG] lease 10.31.2.1 by 'xxxxxxxxxxxxxx' went offline

前后日志如下:

12[ENC] generating IKE_AUTH response 5 [ AUTH CPRP(ADDR DNS NBNS DNS NBNS) SA TSi TSr N(MOBIKE_SUP) N(NO_ADD_ADDR) ]
12[NET] sending packet: from remote.ip[4500] to local.ip[4500](272 bytes) //连接成功
13[IKE] sending DPD request
13[ENC] generating INFORMATIONAL request 0 [ ]
13[NET] sending packet: from remote.ip[4500] to local.ip[4500](80 bytes)
15[IKE] retransmit 1 of request with message ID 0

ios_ikev2 段配置如下

conn ios_ikev2
keyexchange=ikev2
ike=aes256-sha256-modp2048,3des-sha1-modp2048,aes256-sha1-modp2048!
esp=aes256-sha256,3des-sha1,aes256-sha1!
rekey=no
left=%defaultroute
leftid=domain.com
leftsendcert=always
leftsubnet=0.0.0.0/0
leftcert=fullchain.pem
right=%any
rightauth=eap-mschapv2
rightsourceip=10.31.2.0/24
rightsendcert=never
eap_identity=%any
dpdaction=clear
fragmentation=yes
auto=add

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Strongswan已经更新到5.5.1,按官方的说法应该解决了这个问题

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