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Setting Up Virtual Private Networks
Configuring ATMP tunnels
MAX 6000/3000 Network Configuration Guide 11-19
Connection profile to the home network
The Connection profile to the home network must be a local profile. It cannot be specified in
RADIUS. The name of this Connection profile must match the name specified by the
Ascend-Home-Network-Name attribute in the mobile client’s RADIUS profile. In addition, the
Connection profile for connection to the home network must specify the following values:
• Nailed call type. The Home Agent must have a nailed connection to the home network,
because it dials the WAN connection on the basis of packets received through the tunnel.
• ATMP Gateway session option enabled. The ATMP Gateway parameter must be set to
Yes. This parameter instructs the Home Agent to send to the mobile client the data that it
receives back from the home network on this connection.
• ATMP tunnel limit. The MAX ATMP Tunnels parameter specifies the number of ATMP
tunnels that the MAX as a Home Agent gateway can establish to a home network. The
maximum number of ATMP tunnels can be specified individually for each home network.
Also, the ATMP RIP parameter specifies whether or not the MAX includes mobile-client
routes in RIP-v2 responses to the home router.
Example of configuring a Home Agent in gateway-mode (IP)
To configure the Home Agent in gateway mode to reach an IP home network:
1 Open Ethernet > Mod Config > Ether Options and verify that the LAN interface has an IP
address. For example:
Ethernet
Mod Config
Ether options...
IP Adrs=10.1.2.3/24
2 Open the ATMP Options subprofile, set ATMP Mode to Home, and set Type to Gateway.
3 Specify the password used to authenticate the tunnel. It must match the
Ascend-Home-Agent-Password attribute of each mobile client’s RADIUS profile. For
example:
ATMP options...
ATMP Mode=Home
Type=Gateway
Password=private
SAP Reply=No
UDP Port=5150
GRE MTU=1472
Force fragmentation=No
Idle limit=0
ATMP SNMP Traps=No
4 Exit the profile and, at the exit prompt, select the exit and accept option.
5 Open a Connection profile and configure an IP routing connection to the Foreign Agent.
For example:
Ethernet
Connections
any Connection profile
Station=foreign-agent
Active=Yes