I'm having a bit of trouble with the site-to-site VPN on several SRP527W's. They connect OK, but the connection always fails eventually and does not attempt to reconnect. The DSL lines are new, and they too seem a little tempramental at the moment. When I attempt to troubleshoot the routers I always find that the DSL connection is up and running OK. A simple reboot brings the VPN back up too, but only temporarily. Sometimes it will be up for as long as 24hrs, other times it'll only last an hour.
Any advice please folks? I am running firmware version 1.01.09 which was supplied on the router. The settings I have on the router are as follows:
IKE Policy
========
Policy Name TenancyIKE
Exchange Mode Main
Encryption Algorithm DES
Authentication Algorithm MD5
Diffie-Hellman (DH) Group Group 1 (768 bit)
Auto Pre-Shared Key XXXXXX
Enable Dead Peer Detection Disable
DPD Interval
DPD Timeout
XAUTH client enable Disable
User Name
Password
IPSec Policy
=========
Status Enable
Policy Name TenancyVPN
Local Group Type IP Address & Subnet
Local Group IP Address 10.150.0.33
Local Group IP Subnet 255.255.255.240
Remote Endpint IP Address
Remote security gateway address x.x.x.x
Remote security domain name
Remote group type IP Address & Subnet
Remote group IP x.x.x.x
Remote group Subnet Mask 255.255.255.240
Encrypted algorithm DES
Integrity algorithm MD5
Police type Auto
Manual encryption key
Manual auth key
Inbound SPI
Outbound SPI
PFS Disable
Key life time 7800
Now using IKE police TenancyIKE
