
Configuring the Layer 3 Gateway
303509-A Rev 00 7-5
d.
Specify the address of one or more DHCP servers on the home
nework.
Refer to Chapter 8 for additional information about configuring IPX for PPP.
Gateway Accounting Messages
The gateway sends messages to the customer RADIUS server accounting for
inbound usage. These messages are equivalent to the user’s authorized service, as
if the user had dialed in locally, with the addition of tunnel accounting
information. Table 7-1
summarizes the messages that the gateway sends to the
customer’s RADIUS server.
Table 7-1. Gateway Accounting Messages
Field Name Contents
NAS-IP-Address Tunnel server IP address.
Port Local tunnel port identifier.
Port-Type Virtual.
Username The original contents of the user field.
Calling-Station-ID
Called-Station-ID
Either or both, if applicable.
Service-Type As user authorized.
Tunnel-Type DVS or L2TP.
(For Layer 3 tunnels, use DVS. For Layer 2 tunnels, use
L2TP.)
Tunnel-Media-Type IP.
Acct-Client-Endpoint Provider NAS IP address.
A string containing the IP address of the accounting client
system, and possibly other system-specific identifiers.
Tunnel-Server-Endpoint A string containing the IP address of the tunnel server,
the circuit type, and an optional identifier.
Acct-Tunnel-Connection-ID A unique identifier generated on each end of the session
to identify this particular user tunnel session. Typically,
this is a numeric string encoding a tunnel identifier and/or
sequence number.
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