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Forum Discussion
Netgear FVS318G Site to Site VPN tunnel
This tunnel has been working correctly and was reconfigured after the ISP at both sites was switched to another provider. About a month later staff member noticed corruption in files copied over ...
Do you have static IP's or DHCP WAN IP's?
Public IP's on the 318 WAN's?
What are the SA Lifetimes in all 4 places?
Are both 318's?
Which firmware on each?
Both using DHCP as the static IP's assigned are in wrong subnet and I am trying to get COX to remedy this issue.
Got both upgraded to newest firmware.
Maxed out the SA lifetime to 24 hours.
Identical FVS318G's purchased at same time
Always list the specific firmware. The "latest" means nothing if a new firmware gets release the next day.
How often are your public IP's changing?
I've seen ISP's (VZ DSL) change IP's via DHCP as often as once a minute. Everytime that IP changes the tunnel will drop.
Having DHCP on the WAN you should lower the SA Lifetimes. I use 3600 at most on dynamic WAN's, less if ISP DHCP expiration is set shorter than an hour (match the expiration time).
Static IP's I use 86400.
Public IP's (even though DHCP) are not changing over several months now, and worked fine with these IP's for month or two,before the issue suddeny started
SA Lifetimes were set to 8 hours and the connection was resetting every 15 to 20 minutes.
I switched them to 24 hours.
They are both running 3.1.1-18 whihc is newest according to the Netgear download page.
They were both running 3.0.7-34 and working fine, before the issue suddeny started.
Firmware History:
3.1.1-18
3.1.1-14
3.1.1-08
3.0.8-12
3.0.7-24
3.0.7-22
3.0.6-16
3.0.6-15
3.0.5-27
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