RADIUS queries will fail.
</LI>
+<LI><B>radius_authtypes</B> (string)</BR>
+A comma separated list of supported RADIUS authentication methods
+(<B>pap</B> or <B>chap</B>), in order of preference (default <B>pap</B>).
+</LI>
+
+<LI><B>allow_duplicate_users</B> (boolean)</BR>
+Allow multiple logins with the same username. If false (the default),
+any prior session with the same username will be dropped when a new
+session is established.
+</LI>
+
<LI><B>bind_address</B> (ip address)<BR>
When the tun interface is created, it is assigned the address
specified here. If no address is given, 1.1.1.1 is used. Packets
elected when this interval has been passed without seeing a heartbeat
from the master.
</LI>
+
+<LI><B>cluster_master_min_adv</B> (int)<BR>
+Determines the minumum number of up to date slaves required before the
+master will drop routes (default: 1).
+</LI>
</UL>
<P>BGP routing configuration is entered by the command: