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RUGGEDCOM ROX II
CLI User Guide
IMPORTANT!
RUGGEDCOM ROX II supports a maximum of 128 tunnel sessions, which in turn support a maximum of
128 VLANs each.
CONTENTS
•
Section 12.4.1, "L2TPv3 Tunnel Scenarios"
•
Section 12.4.2, "Creating an L2TPv3 Tunnel"
•
Section 12.4.3, "Managing Static L2TPv3 Tunnels"
•
Section 12.4.4, "Managing Dynamic L2TPv3 Tunnels"
•
Section 12.4.5, "Managing Sessions for L2TPv3 Tunnels"
•
Section 12.4.6, "Managing VLANs for L2TPv3 Tunnels"
Section 12.4.1
L2TPv3 Tunnel Scenarios
The following illustrates some of the ways in which L2TPv3 tunnels can be implemented.
Basic L2TPv3 Tunnel
In the following topology, an L2TPv3 tunnel is established between routers R1 and R2 over a WAN interface. The
tunnel interface is assigned an IPv4 address on both devices. Traffic routed from R1 is encapsulated in an L2TPv3
header and decapsulated by R2. The reverse is true when traffic is routed from R2.
192.168.10.110
Figure 15: Basic L2TPv3 Tunnel
Multiple Sessions
In the following topology, separate bridges have been created between routers R1 and R2 using sessions. Traffic
sent via virtual switch switch.0002 traverses the l2t-1-1 tunnel. Traffic sent via virtual switch switch.0003
traverses the l2t-1-2 tunnel.
L2TPv3 Tunnel Scenarios
switch.0002
1.1.1.110
R1
T1
1.1.1.130
R2
Chapter 12
Tunneling and VPNs
192.168.10.130
switch.0002
375
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