X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/5cc3beb6c7570c2b5b425e61d66000cc0a95da17..017a7d32fe67b52080826458adf30a6e5f07692f:/Docs/manual.html

diff --git a/Docs/manual.html b/Docs/manual.html
index bebc7c8..5c830f2 100644
--- 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>
@@ -1054,22 +1058,6 @@ 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>