IPSEC VPN野蛮模式断开无法重连

总部为U200-M，移动和电信双线固定IP接入，电信端口开启IPSEC VPN，两个分支都是ER5200 G2，一边为主模式，一边为野蛮模式，野蛮模式断开后无法重连，总部reset ike sa\reset ipsec sa也不行，必须重启总部防火墙才可以重新连上，过一段时间又断开，不停地重复，怎么解决

总部配置

# ike local-name huizhou

ike sa keepalive-timer interval 28800

ike sa keepalive-timer timeout 28800

# ipsec sa global-duration time-based 86400

acl number 3080

description ipsec vpn to shenzhen

rule 10 permit ip source 192.168.10.0 0.0.0.255 destination 192.168.80.0 0.0.0.255

rule 20 permit ip source 192.168.20.0 0.0.0.255 destination 192.168.80.0 0.0.0.255

acl number 3090

description ipsec vpn to hangzhou

rule 10 permit ip source 192.168.10.0 0.0.0.255 destination 192.168.90.0 0.0.0.255

rule 20 permit ip source 192.168.20.0 0.0.0.255 destination 192.168.90.0 0.0.0.255

rule 40 permit ip source 192.168.40.0 0.0.0.255 destination 192.168.90.0 0.0.0.255

# ike proposal 1

# ike dpd 1

time-out 30

# ike peer hangzhou

exchange-mode aggressive

pre-shared-key cipher +MGS6bX9XT8=

id-type name

remote-name hangzhou

local-address x.x.x.x

dpd 1

#

# ike peer shenzhen

pre-shared-key cipher +MGS6bX9XT8=

remote-name shenzhen

remote-address x.x.x.x

local-address  x.x.x.x

dpd 1

# ipsec proposal 1

# ipsec policy center 80 isakmp

security acl 3080

ike-peer shenzhen

proposal 1

# ipsec policy center 90 isakmp

security acl 3090

ike-peer hangzhou

proposal 1

#

 interface GigabitEthernet0/1

port link-mode route

description this port is link to China Telecom's Fiber Converter

nat outbound 3003

ip address x.x.x.x 255.255.255.248

ipsec policy center

主模式分支（目前是正常，但是过了生命周期会断开重连，没找出是什么导致）

野蛮模式分支截图，经常性断开后就连不上，需要重启总部才能重新连，连后一段时间又断开，反反复复