X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/10b6ddcfc1600dfdfe2390350970ff399939f1d7..4f253feef08f01c03bc63f70f9de3937541ccd79:/Docs/manual.html
diff --git a/Docs/manual.html b/Docs/manual.html
index 4db3a83..4166235 100644
--- a/Docs/manual.html
+++ b/Docs/manual.html
@@ -56,6 +56,7 @@ H3 {
Filtering
Clustering
Routing
+ Avoiding Fragmentation
Performance
@@ -228,6 +229,11 @@ A comma separated list of supported RADIUS authentication methods
(pap or chap), in order of preference (default pap).
+radius_dae_port (short)
+Port for DAE RADIUS (Packet of Death/Disconnect, Change of Authorization)
+requests (default: 3799).
+
+
allow_duplicate_users (boolean)
Allow multiple logins with the same username. If false (the default),
any prior session with the same username will be dropped when a new
@@ -695,12 +701,15 @@ killall -HUP l2tpns
The signals understood are:
-
-- SIGHUP - Reload the config from disk and re-open log file
-- SIGTERM / SIGINT - Shut down.
-- SIGQUIT - Shut down cleanly. This will send a disconnect message for
-every active session and tunnel before shutting down.
-
+
+- SIGHUP
- Reload the config from disk and re-open log file.
+- SIGTERM, SIGINT
- Stop process. Tunnels and sessions are not
+terminated. This signal should be used to stop l2tpns on a
+cluster node where there are other machines to
+continue handling traffic.
+- SIGQUIT
- Shut down tunnels and sessions, exit process when
+complete.
+
Throttling
@@ -1030,6 +1039,22 @@ ibgp" for IBGP. If this is not supported by your IOS revision, you
can use "maximum-paths" (which works for EBGP) and set
as_number to a private value such as 64512.
+
Avoiding Fragmentation
+
+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:
+
+
+iptables -A FORWARD -i tun+ -o eth0 \
+ -p tcp --tcp-flags SYN,RST SYN \
+ -m tcpmss --mss 1413:1600 \
+ -j TCPMSS --set-mss 1412
+
+
Performance is great.