Authorize to change the source IP of the tunnels l2tp

[l2tpns.git] / Docs / manual.html

diff --git a/Docs/manual.html b/Docs/manual.html
index a963e19..4215189 100644 (file)
--- a/Docs/manual.html
+++ b/Docs/manual.html
@@ -56,7 +56,6 @@ H3 {
     <LI><A HREF="#Filtering">Filtering</A></LI>
     <LI><A HREF="#Clustering">Clustering</A></LI>
     <LI><A HREF="#Routing">Routing</A></LI>
-    <LI><A HREF="#AvoidingFragmentation">Avoiding Fragmentation</A></LI>
     <LI><A HREF="#Performance">Performance</A></LI>
 </OL>
 
@@ -185,6 +184,11 @@ the same as the LAC, or authentication will fail.  Only actually be
 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>
@@ -192,10 +196,6 @@ PPP counter and timer values, as described in &sect;4.1 of
 <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
@@ -252,15 +252,26 @@ 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
-containing user traffic should be routed via this address if given,
-otherwise the primary address of the machine.
+It's the listen address of the l2tp udp protocol sent and received
+to LAC. This address is also assigned to the tun interface if no
+iftun_address is specified. Packets containing user traffic should be
+routed via this address if given, otherwise the primary address of the
+machine.
+</LI>
+
+<LI><B>iftun_address</B> (ip address)<BR>
+This parameter is used when you want a tun interface address different
+from the address of "bind_address" (For use in cases of specific configuration).
+If no address is given to iftun_address and bind_address, 1.1.1.1 is used.
+</LI>
+
+<LI><B>tundevicename</B> (string)<BR>
+Name of the tun interface (default: "tun0").
 </LI>
 
 <LI><B>peer_address</B> (ip address)<BR>
 Address to send to clients as the default gateway.
-</L1>
+</LI>
 
 <LI><B>send_garp</B> (boolean)<BR>
 Determines whether or not to send a gratuitous ARP for the
@@ -357,8 +368,46 @@ from the master.
 Determines the minumum number of up to date slaves required before the
 master will drop routes (default: 1).
 </LI>
+
+<LI><B>echo_timeout</B> (int)<BR>
+Time between last packet sent and LCP ECHO generation
+(default: 10 (seconds)).
+</LI>
+
+<LI><B>idle_echo_timeout</B> (int)<BR>
+Drop sessions who have not responded within idle_echo_timeout seconds
+(default: 240 (seconds))
+</LI>
+
+<LI><B>bind_address_remotelns</B> (ip address)<BR>
+Address of the interface to listen the remote LNS tunnels.
+If no address is given, all interfaces are listened (Any Address).
+</LI>
+
+<LI><B>bind_portremotelns</B> (short)<BR>
+Port to bind for the Remote LNS (default: 65432).
+</LI>
+
+<LI><B>auth_tunnel_change_addr_src</B> (boolean)<BR>
+This parameter authorize to change the source IP of the tunnels l2tp.
+This parameter can be used when the remotes BAS/LAC are l2tpns server
+configured in cluster mode, but that the interface to remote LNS are
+not clustered (the tunnel can be coming from different source IP)
+(default: no).
+</LI>
+
 </UL>
 
+<P>The REMOTES LNS configuration is entered by the command:
+<DL> <DD><B>setforward</B> <I>MASK</I> <I>IP</I> <I>PORT</I> <I>SECRET</I> </DL>
+
+where <I>MASK</I> specifies the mask of users who have forwarded to
+remote LNS (ex: /myISP@company.com).</BR>
+where <I>IP</I> specifies the IP of the  remote LNS (ex: 66.66.66.55).</BR>
+where <I>PORT</I> specifies the L2TP Port of the remote LNS
+(Normally should be 1701) (ex: 1701).</BR>
+where <I>SECRET</I> specifies the secret password the remote LNS (ex: mysecret).</BR>
+
 <P>BGP routing configuration is entered by the command:
 The routing configuration section is entered by the command
 <DL><DD><B>router bgp</B> <I>as</I></DL>
@@ -1058,22 +1107,6 @@ ibgp" for IBGP.  If this is not supported by your IOS revision, you
 can use "maximum-paths" (which works for EBGP) and set
 <B>as_number</B> to a private value such as 64512.<P>
 
-<H2 ID="AvoidingFragmentation">Avoiding Fragmentation</H2>
-
-Fragmentation of encapsulated return packets to the LAC may be avoided
-for TCP sessions by adding a firewall rule to clamps the MSS on
-outgoing SYN packets.
-
-The following is appropriate for interfaces with a typical MTU of
-1500:
-
-<pre>
-iptables -A FORWARD -i tun+ -o eth0    \
-    -p tcp --tcp-flags SYN,RST SYN     \
-    -m tcpmss --mss 1413:1600          \
-    -j TCPMSS --set-mss 1412
-</pre>
-
 <H2 ID="Performance">Performance</H2>
 
 Performance is great.<P>