Cisco 831 VPN true home Internet disconnect each 1 hour

I have a VPN connection between a Cisco 831 and my office's ASA5510 true a DSL modem/router. So the cisco is connected to the Bell modem/router and my pcs are connected on the Cisco

From my office a launch a program that ping the Cisco at each 30 sec. and at each 1 hour i have a dosconnection of the VPN and it goes back on 2 minutes later. If i am connected directly in the modem instead of passing by the router i don't have this trouble. I have the same thing with Videotron connected in a Linksys or Dlink.
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Slypink911Asked:
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memo_tntCommented:
it depends if there is traffic between ur sites;
u can configure ur router to build the tunnel even if there is no traffic
which is applied to ur dialer interface
!
dialer idle-timeout 300
!
>>>> 300 is time required for the tunnel before going up

u can use this also
!!
crypto isakmp keepalive ....
!
To allow the gateway to send dead peer detection (DPD) messages to the peer, use the crypto isakmp keepalive command in global configuration mode. To disable keepalives, use the no form of this command.

crypto isakmp keepalive seconds [retries] [periodic | on-demand]

no crypto isakmp keepalive seconds [retries] [periodic | on-demand]

The following example shows how to configure DPD messages to be sent every 60 seconds and every 5 seconds between retries if the peer does not respond:

crypto isakmp keepalive 60 5

>>>>>>>>>>>>>>>>>>>>>...

u can also creat a script file to make a ping command from one of the PEERS LAN side



BR
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