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If the primary LNS is down, it fails over to the backup LNS. L2TPv3 has one tunnel profile, and under this a
l
primary peer and a backup peer are configured. If the primary tunnel creation fails or if the primary tunnel
gets deleted, the backup starts. The following two failover modes are supported:
Preemptive: In this mode, if the primary comes up when the backup is active, the backup tunnel is
n
deleted and the primary tunnel resumes as an active tunnel. If you configure the tunnel to be
preemptive, and when the primary tunnel goes down, it starts the persistence timer which tries to bring
up the primary tunnel.
Non-Preemptive: In this mode, when the backup tunnel is established after the primary tunnel goes
n
down, it does not make the primary tunnel active again.
L2TPV3 is not supported on IAP-205 devices.
You can configure an L2TPv3 tunnel and session profiles through the Instant UI or the CLI.
In the Instant UI
To configure an L2TPv3 tunnel and session profile:
1. Click the More > VPN link located directly above the Search bar in the Instant UI. The Tunneling window is
displayed.
Figure 54 L2TPv3 Tunneling
2. Select L2TPv3 from the Protocol drop-down list.
3. To configure the tunnel profile:
a. Click the New button.
b. Enter the tunnel name to be used for tunnel creation.
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| VPN Configuration
Aruba Instant 6.5.0.0-4.3.0.0 | User Guide
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