Netgear ProSafe FVS124G User Manual Page 225

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Reference Manual for the ProSafe VPN Firewall 25 with 4 Gigabit LAN and Dual WAN Ports
Virtual Private Networking D-11
202-10085-01, March 2005
VPNC IKE Phase II Parameters
The IKE Phase 2 parameters used in Scenario 1 are:
•TripleDES
SHA-1
ESP tunnel mode
MODP group 1
Perfect forward secrecy for rekeying
SA lifetime of 28800 seconds (one hour)
Testing and Troubleshooting
Once you have completed the VPN configuration steps you can use PCs, located behind each of
the gateways, to ping various addresses on the LAN-side of the other gateway.
You can troubleshoot connections using the VPN status and log details on the Netgear gateway to
determine if IKE negotiation is working. Common problems encountered in setting up VPNs
include:
Parameters may be configured differently on Gateway A vs. Gateway B.
Two LANs set up with similar or overlapping addressing schemes.
So many required configuration parameters mean errors such as mistyped information or
mismatched parameter selections on either side are more likely to happen.
Additional Reading
Building and Managing Virtual Private Networks, Dave Kosiur, Wiley & Sons; ISBN:
0471295264
Firewalls and Internet Security: Repelling the Wily Hacker, William R. Cheswick and Steven
M. Bellovin, Addison-Wesley; ISBN: 0201633574
VPNs A Beginners Guide, John Mains, McGraw Hill; ISBN: 0072191813
[FF98] Floyd, S., and Fall, K., Promoting the Use of End-to-End Congestion Control in the
Internet. IEEE/ACM Transactions on Networking, August 1999.
Relevant RFCs listed numerically:
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