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-rw-r--r--sys/conf/NOTES7
1 files changed, 7 insertions, 0 deletions
diff --git a/sys/conf/NOTES b/sys/conf/NOTES
index 8a9c618..e973e82 100644
--- a/sys/conf/NOTES
+++ b/sys/conf/NOTES
@@ -568,6 +568,13 @@ options IPSTEALTH #support for stealth forwarding
options PFIL_HOOKS
options TCPDEBUG
+# MBUF_FRAG_TEST option allows you to tell the IP stack to
+# fragment all outgoing packets into mbuf fragments of size
+# net.inet.ip.mbuf_frag_size (bytes). It is used for testing
+# if network drivers can properly handle long chains of mbufs.
+# The sysctl is '0' (no fragmentation) by default.
+options MBUF_FRAG_TEST
+
# RANDOM_IP_ID causes the ID field in IP packets to be randomized
# instead of incremented by 1 with each packet generated. This
# option closes a minor information leak which allows remote
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