From f9f184dbd989248a3eb4c68a7e950780902fb196 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Wed, 17 Dec 2008 19:34:16 +0100 Subject: 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 --- doc/sync/alarm/conntrackd.conf | 10 ++++++---- doc/sync/ftfw/conntrackd.conf | 12 +++++++----- doc/sync/notrack/conntrackd.conf | 16 ++++++++++------ 3 files changed, 23 insertions(+), 15 deletions(-) (limited to 'doc') 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 # -- cgit v1.2.3