I currently test a VPN Connection with a Cisco router.
The IPsec Parameters are :
Name: 3DES
Key exchange: IKE
ISAKMP (IKE) Settings
IKE mode: Main Mode
IKE group: MODP 1024 (Gr.2)
MODP 1536 (Gr.5)
Enc. alg: 3DES-CBC
Hash alg.: MD5-96 or SHA1-96
SA lifetime (secs): 28800
IPSec Settings
IPSec mode: Tunnel
IPSec protocol: ESP
Enc. alg: 3DES
SA lifetime (secs): 84600
PFS: Off
Compression: Off
The VPN tunnel break down after maybe 5 or 6 hours. The only way to reinitiliaze the VPN is to restart the VPN Connection
The SA lifetime is the same in both side.
Do you have any idea to resolve this trouble
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