X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/bb63cb999417e2fea8e70e498b8f8eb97a0edd80..e0c65e8957cf9863bae84eba3018a68b3f6d4866:/Docs/manual.html?ds=sidebyside
diff --git a/Docs/manual.html b/Docs/manual.html
index 8dd2532..a857d9b 100644
--- a/Docs/manual.html
+++ b/Docs/manual.html
@@ -56,6 +56,7 @@ H3 {
Filtering
Clustering
Routing
+ Avoiding Fragmentation
Performance
@@ -191,14 +192,6 @@ user, both a primary and a secondary. If either is set to 0.0.0.0, then that
one will not be sent.
-save_state (boolean)
-When l2tpns receives a STGTERM it will write out its current
-ip_address_pool, session and tunnel tables to disk prior to exiting to
-be re-loaded at startup. The validity of this data is obviously quite
-short and the intent is to allow an sessions to be retained over a
-software upgrade.
-
-
primary_radius (ip address)
secondary_radius (ip address)
Sets the RADIUS servers used for both authentication and accounting.
@@ -231,6 +224,17 @@ This secret will be used in all RADIUS queries. If this is not set then
RADIUS queries will fail.
+radius_authtypes (string)
+A comma separated list of supported RADIUS authentication methods
+(pap or chap), in order of preference (default pap).
+
+
+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
+session is established.
+
+
bind_address (ip address)
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
@@ -282,10 +286,6 @@ second. Even if this is disabled, you can see this information by running
the uptime command on the CLI.
-cleanup_interval (int)
-Interval between regular cleanups (in seconds).
-
-
multi_read_count (int)
Number of packets to read off each of the UDP and TUN fds when
returned as readable by select (default: 10). Avoids incurring the
@@ -332,6 +332,11 @@ Cluster heartbeat timeout in tenths of a second. A new master will be
elected when this interval has been passed without seeing a heartbeat
from the master.
+
+cluster_master_min_adv (int)
+Determines the minumum number of up to date slaves required before the
+master will drop routes (default: 1).
+
BGP routing configuration is entered by the command:
@@ -692,14 +697,10 @@ killall -HUP l2tpns
The signals understood are:
-- SIGHUP - Reload the config from disk and re-open log file
-- SIGTERM / SIGINT - Shut down for a restart. This will dump the current
-state to disk (if save_state is set to true). Upon restart, the
-process will read this saved state to resume active sessions.
+
- 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. This is a good idea
-when upgrading the code, as no sessions will be left with the remote end
-thinking they are open.
+every active session and tunnel before shutting down.
Throttling
@@ -1030,6 +1031,22 @@ 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.