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-rw-r--r--Documentation/networking/ip-sysctl.txt4
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 2193a5d124c5..d99940dcfc44 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -11,7 +11,9 @@ ip_forward - BOOLEAN
for routers)
ip_default_ttl - INTEGER
- default 64
+ Default value of TTL field (Time To Live) for outgoing (but not
+ forwarded) IP packets. Should be between 1 and 255 inclusive.
+ Default: 64 (as recommended by RFC1700)
ip_no_pmtu_disc - BOOLEAN
Disable Path MTU Discovery.