Does the AR support active and standby LNSs

The AR supports active and standby LNSs. When the active LNS fails, services are switched to the standby LNS and L2TP connection requests initiated by the LAC cannot reach the active LNS. The IP address of the standby LNS can be configured on the LAC. When the first address is unreachable, L2TP connection requests are sent to the second address based on the configuration sequence.
A maximum of four LNS addresses can be configured on the AR.

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