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authorDavid S. Miller <davem@davemloft.net>2013-12-18 22:42:06 +0100
committerDavid S. Miller <davem@davemloft.net>2013-12-18 22:42:06 +0100
commit143c9054949436cb05e468439dc5e46231f33d09 (patch)
treec2e972d8188fb1b36368e9acb5b6b59466c9d903 /Documentation/networking/ip-sysctl.txt
parentnet: vmxnet3 calls skb_set_hash (diff)
parentMerge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux (diff)
downloadlinux-143c9054949436cb05e468439dc5e46231f33d09.tar.xz
linux-143c9054949436cb05e468439dc5e46231f33d09.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/net/ethernet/intel/i40e/i40e_main.c drivers/net/macvtap.c Both minor merge hassles, simple overlapping changes. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/networking/ip-sysctl.txt')
-rw-r--r--Documentation/networking/ip-sysctl.txt8
1 files changed, 6 insertions, 2 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 12ba2cd9f03d..f76d177895d9 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -16,8 +16,12 @@ ip_default_ttl - INTEGER
Default: 64 (as recommended by RFC1700)
ip_no_pmtu_disc - BOOLEAN
- Disable Path MTU Discovery.
- default FALSE
+ Disable Path MTU Discovery. If enabled and a
+ fragmentation-required ICMP is received, the PMTU to this
+ destination will be set to min_pmtu (see below). You will need
+ to raise min_pmtu to the smallest interface MTU on your system
+ manually if you want to avoid locally generated fragments.
+ Default: FALSE
min_pmtu - INTEGER
default 552 - minimum discovered Path MTU