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authorStephen Hemminger <shemminger@linux-foundation.org>2009-02-01 04:04:33 -0500
committerDavid S. Miller <davem@davemloft.net>2009-02-01 04:04:33 -0500
commiteefef1cf7653cd4e0aaf743c00ae8345086cdc01 (patch)
treeaf97b788658c5bf21ef2ca609c5f43ca59421269 /Documentation/networking
parentead731837d142b103eab9870105f50bc40b69255 (diff)
net: add ARP notify option for devices
This adds another inet device option to enable gratuitous ARP when device is brought up or address change. This is handy for clusters or virtualization. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/networking')
-rw-r--r--Documentation/networking/ip-sysctl.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index c7712787933c..ff3f219ee4d7 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -782,6 +782,12 @@ arp_ignore - INTEGER
782 The max value from conf/{all,interface}/arp_ignore is used 782 The max value from conf/{all,interface}/arp_ignore is used
783 when ARP request is received on the {interface} 783 when ARP request is received on the {interface}
784 784
785arp_notify - BOOLEAN
786 Define mode for notification of address and device changes.
787 0 - (default): do nothing
788 1 - Generate gratuitous arp replies when device is brought up
789 or hardware address changes.
790
785arp_accept - BOOLEAN 791arp_accept - BOOLEAN
786 Define behavior when gratuitous arp replies are received: 792 Define behavior when gratuitous arp replies are received:
787 0 - drop gratuitous arp frames 793 0 - drop gratuitous arp frames