Does an AR support primary and secondary LNSs

L2TP supports primary and secondary LNSs. When the primary LNS fails, services are switched to the secondary LNS. However, L2TP connection requests initiated by the LAC cannot reach the primary LNS. To ensure that L2TP connection requests are sent to the secondary LNS, you must configure the IP address of the secondary LNS on the LAC, so that the LAC sendsthe request packets to the address of the secondary LNS when the first IP address is unreachable.
A maximum of four LNS addresses can be configured.

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