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1 files changed, 10 insertions, 0 deletions
diff --git a/conntrack.8 b/conntrack.8
index 7c4a168..bfb2de0 100644
--- a/conntrack.8
+++ b/conntrack.8
@@ -82,6 +82,16 @@ event code. Using this parameter, you can reduce the event messages generated
by the kernel to those types to those that you are actually interested in.
.
This option can only be used in conjunction with "-E, --event".
+.BI "-b, --buffer-size " "value (in bytes)"
+Set the Netlink socket buffer size. This option is useful if the command line
+tool reports ENOBUFS errors. If you do not pass this option, the default value
+available at /proc/sys/net/core/rmem_default is used. The tool reports this
+problem if your process is too slow to handle all the event messages or, in
+other words, if the amount of events are big enough to overrun the socket
+buffer. Note that using a big buffer reduces the chances to hit ENOBUFS,
+however, this results in more memory consumption.
+.
+This option can only be used in conjunction with "-E, --event".
.SS FILTER PARAMETERS
.TP
.BI "-s, --orig-src " IP_ADDRESS