used if the LAC requests authentication.
</LI>
+<LI><B>l2tp_mtu</B> (int)<BR>
+MTU of interface for L2TP traffic (default: 1500). Used to set link
+MRU and adjust TCP MSS.
+</LI>
+
<LI><B>ppp_restart_time</B> (int)<BR>
<B>ppp_max_configure</B> (int)<BR>
<B>ppp_max_failure</B> (int)<BR>
<a href="ftp://ftp.rfc-editor.org/in-notes/rfc1661.txt">RFC1661</a>.
</LI>
-<LI><B>ppp_mru</B> (int)<BR>
-PPP link MRU (default: 1452).
-</LI>
-
<LI><B>primary_dns</B> (ip address)
<LI><B>secondary_dns</B> (ip address)<BR>
Whenever a PPP connection is established, DNS servers will be sent to the