I can't explain why my VPN conn closes after about 8mn
even when I maintain activity with continuous pings
VPN Client says: reason 412.
here is the vpn config:
name 192.168.252.1 sigreseau3-vpn
access-list 4 permit icmp 192.168.252.0 255.255.255.0 any
access-list 4 permit ip any host sigreseau3-vpn
access-list 4 deny ip any any log 3
nat (inside) 0 access-list 4
sysopt connection permit-ipsec
crypto ipsec transform-set chiffrage1 esp-3des esp-sha-hmac
crypto dynamic-map vpndyn 5 set transform-set chiffrage1
crypto map vpnmap 1 ipsec-isakmp dynamic vpndyn
crypto map vpnmap client configuration address respond
crypto map vpnmap client authentication LOCAL
crypto map vpnmap interface outside
isakmp enable outside
isakmp policy 1 authentication rsa-sig
isakmp policy 1 encryption 3des
isakmp policy 1 hash sha
isakmp policy 1 group 2
isakmp policy 1 lifetime 86400
vpngroup sigreseau3-vpn address-pool sigreseau3-vpn
vpngroup sigreseau3-vpn dns-server sigsrvmsg1
vpngroup sigreseau3-vpn wins-server sigsrvcontrol1
vpngroup sigreseau3-vpn default-domain vdh
vpngroup sigreseau3-vpn idle-time 86400
vpngroup sigreseau3-vpn user-idle-timeout 86400
ca identity casrv 172.17.203.15:/certsrv/mscep/mscep.dll
ca configure casrv ra 1 1
timeout xlate 8:00:00
timeout conn 1:00:00 half-closed 1:00:00 udp 1:00:00 rpc 0:10:00 h225 1:00:00
timeout h323 0:05:00 mgcp 0:05:00 sip 0:30:00 sip_media 0:02:00
timeout uauth 8:00:00 absolute uauth 1:00:00 inactivity
aaa-server TACACS+ protocol tacacs+
aaa-server RADIUS protocol radius
aaa-server LOCAL protocol local