Virtual Private Networking Using IPSec and L2TP Connections
261
NETGEAR ProSAFE VPN Firewall FVS318G v2
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Assign IPv4 Addresses to Remote Users
To simplify the process of connecting remote VPN clients to the VPN firewall, use the Mode
Config feature to automatically assign IPv4 addresses to remote users, including a network
access IP address, subnet mask, WINS server, and DNS address. Remote users are given
IP addresses available in a secured network space so that remote users appear as seamless
extensions of the network.
You can use the Mode Config feature in combination with an IPv6 IKE po
licy to
assign IPv4
addresses to clients, but you cannot assign IPv6 addresses to clients.
This section contains the following topics:
• Mode Config Operation
• Configure Mode Config Operation on the VPN Firewall
• Configure the ProSafe VPN Client for Mode Config Operation
• Test the Mode Config Connection
• Modify or Delete a Mode Config Record
Mode Config Operation
After the IKE Phase 1 negotiation is complete, the VPN connection initiator (which is the
remote user with a VPN client) requests the IP configuration settings such as the IP address,
To enable and configure the backup RADIUS server, select the Yes radio button, and enter the settings for
the three fields to the right. The default setting is that the No radio button is selected.
Backup Server IP Address The IPv4 address of the backup RADIUS server.
Secret Phrase A shared secret phrase to authenticate the transactions between the client
and the backup RADIUS server. The same secret phrase must be configured
on both the client and the server.
Backup Server NAS
Identifier
The backup Network Access Server (NAS) identifier that must be present in a
RADIUS request.
Note: See the note earlier in this table for Primary Server NAS Identifier.
Connection Configuration
Time out period The period in seconds that the VPN firewall waits for a response from a
RADIUS server. The default setting is 30 seconds.
Maximum Retry Counts The maximum number of times that the VPN firewall attempts to connect to a
RADIUS server. The default setting is 4 retry counts.
Table 55. RADIUS Client screen settings (continued)
Setting Description
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