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L2TP Access Concentrator
Supported LAC Service Configuration for Mobile IP
LAC services can be applied to incoming MIP sessions using attribute-based tunneling. Attribute-based tunneling is
used to encapsulate PPP packets for specific users, identified during authentication. In this method, the LAC service
parameters and allowed LNS nodes that may be communicated with are controlled by the user profile for the particular
subscriber. The user profile can be configured locally on the system or remotely on a RADIUS server.
Each LAC service is bound to a single system interface within the same system context. It is recommended that this
context be a destination context as displayed in figure below.
Figure 44.
How The Attribute-based L2TP Configuration for MIP Works
The following figure and the text that follows describe how Attribute-based tunneling for MIP is performed using the
system.
LAC Service Configuration for MIP
Supported LAC Service Configuration for Mobile IP ▀
Cisco ASR 5x00 Packet Data Network Gateway Administration Guide ▄
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