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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/sync/ftfw/conntrackd.conf
parent8be4e1c72909d7003735d92f2b3c2175ff84d2d9 (diff)
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/sync/ftfw/conntrackd.conf')
-rw-r--r--doc/sync/ftfw/conntrackd.conf12
1 files changed, 7 insertions, 5 deletions
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