Avaya Configuring and Troubleshooting Bay Dial VPN (DVS) Networks Instrukcja Użytkownika Strona 39

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Dial VPN Layer 2 Tunneling
303509-A Rev 00 2-5
Figure 2-2. L2TP Packet Encapsulation Process
Bay Networks L2TP Implementation
In an L2TP tunnel, the Bay Networks router or extranet switch on the home
network is the LNS. LNS software operates on the BLN, BCN, and ASN
platforms.
The Bay Networks LNS has the following characteristics:
Each slot can act as an LNS, which means that one router can have many LNS
interfaces, each with its own address. You can have as many LNS interfaces as
there are available slots on the router.
PPP IP
LAC
LNS
D ATA
IP/UDP
Layer 2
protocol
IPL2TP
PPP
D ATA
I P DATA
Remote user places a call
Data packet moves to the corporate network
L2T0005A
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