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authorPablo Neira Ayuso <pablo@netfilter.org>2008-12-17 19:34:16 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2008-12-17 19:34:16 +0100
commitf9f184dbd989248a3eb4c68a7e950780902fb196 (patch)
tree051bdab2c27928f02f52e8bc4ef38d7cf29c7c44 /doc
parent8be4e1c72909d7003735d92f2b3c2175ff84d2d9 (diff)
downloadconntrack-tools-f9f184dbd989248a3eb4c68a7e950780902fb196.tar.gz
conntrack-tools-f9f184dbd989248a3eb4c68a7e950780902fb196.zip
doc: add note on McastSndSocketBuffer and McastRcvSocketBuffer
This patch adds a note on the impact of having small values for the McastSndSocketBuffer and McastRcvSocketBuffer clauses. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'doc')
-rw-r--r--doc/sync/alarm/conntrackd.conf10
-rw-r--r--doc/sync/ftfw/conntrackd.conf12
-rw-r--r--doc/sync/notrack/conntrackd.conf16
3 files changed, 23 insertions, 15 deletions
diff --git a/doc/sync/alarm/conntrackd.conf b/doc/sync/alarm/conntrackd.conf
index 0d4847b..f42a799 100644
--- a/doc/sync/alarm/conntrackd.conf
+++ b/doc/sync/alarm/conntrackd.conf
@@ -80,9 +80,10 @@ Sync {
# sender queue. The overrun results packet loss, thus, losing
# state information that would have to be retransmitted. If you
# notice some packet loss, you may want to increase the size
- # of the sender buffer.
+ # of the sender buffer. The default size is usually around
+ # ~100 KBytes which is fairly small for busy firewalls.
#
- # McastSndSocketBuffer 1249280
+ McastSndSocketBuffer 1249280
# The multicast receiver uses a buffer to enqueue the packets
# that the socket is pending to handle. The default size of this
@@ -91,9 +92,10 @@ Sync {
# receiver queue. The overrun results packet loss, thus, losing
# state information that would have to be retransmitted. If you
# notice some packet loss, you may want to increase the size of
- # the receiver buffer.
+ # the receiver buffer. The default size is usually around
+ # ~100 KBytes which is fairly small for busy firewalls.
#
- # McastRcvSocketBuffer 1249280
+ McastRcvSocketBuffer 1249280
#
# Enable/Disable message checksumming. This is a good
diff --git a/doc/sync/ftfw/conntrackd.conf b/doc/sync/ftfw/conntrackd.conf
index 047ea48..e12a745 100644
--- a/doc/sync/ftfw/conntrackd.conf
+++ b/doc/sync/ftfw/conntrackd.conf
@@ -88,10 +88,11 @@ Sync {
# sender queue. The overrun results packet loss, thus, losing
# state information that would have to be retransmitted. If you
# notice some packet loss, you may want to increase the size
- # of the sender buffer.
- #
- # McastSndSocketBuffer 1249280
+ # of the sender buffer. The default size is usually around
+ # ~100 KBytes which is fairly small for busy firewalls.
#
+ McastSndSocketBuffer 1249280
+
# The multicast receiver uses a buffer to enqueue the packets
# that the socket is pending to handle. The default size of this
# socket buffer is available at /proc/sys/net/core/rmem_default.
@@ -99,9 +100,10 @@ Sync {
# receiver queue. The overrun results packet loss, thus, losing
# state information that would have to be retransmitted. If you
# notice some packet loss, you may want to increase the size of
- # the receiver buffer.
+ # the receiver buffer. The default size is usually around
+ # ~100 KBytes which is fairly small for busy firewalls.
#
- # McastRcvSocketBuffer 1249280
+ McastRcvSocketBuffer 1249280
#
# Enable/Disable message checksumming. This is a good
diff --git a/doc/sync/notrack/conntrackd.conf b/doc/sync/notrack/conntrackd.conf
index bc1a3a6..cbc26ee 100644
--- a/doc/sync/notrack/conntrackd.conf
+++ b/doc/sync/notrack/conntrackd.conf
@@ -66,9 +66,11 @@ Sync {
# sender queue. The overrun results packet loss, thus, losing
# state information that would have to be retransmitted. If you
# notice some packet loss, you may want to increase the size
- # of the sender buffer. Note: This protocol is best effort,
- # really recommended to increase the buffer size.
-
+ # of the sender buffer. The default size is usually around
+ # ~100 KBytes which is fairly small for busy firewalls.
+ # Note: This protocol is best effort, it is really recommended
+ # to increase the buffer size.
+ #
McastSndSocketBuffer 1249280
# The multicast receiver uses a buffer to enqueue the packets
@@ -78,9 +80,11 @@ Sync {
# receiver queue. The overrun results packet loss, thus, losing
# state information that would have to be retransmitted. If you
# notice some packet loss, you may want to increase the size of
- # the receiver buffer. Note: This protocol is best effort,
- # really recommended to increase the buffer size.
-
+ # of the sender buffer. The default size is usually around
+ # ~100 KBytes which is fairly small for busy firewalls.
+ # Note: This protocol is best effort, it is really recommended
+ # to increase the buffer size.
+ #
McastRcvSocketBuffer 1249280
#