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Date: Wed, 13 Oct 2021 15:27:09 -0700 From: James Prestwood <prestwoj@...il.com> To: netdev@...r.kernel.org Cc: James Prestwood <prestwoj@...il.com> Subject: [PATCH 3/4] doc: networking: document arp_evict_nocarrier Signed-off-by: James Prestwood <prestwoj@...il.com> --- Documentation/networking/ip-sysctl.rst | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst index c2ecc9894fd0..174d9d3ee5c2 100644 --- a/Documentation/networking/ip-sysctl.rst +++ b/Documentation/networking/ip-sysctl.rst @@ -1565,6 +1565,15 @@ arp_accept - BOOLEAN gratuitous arp frame, the arp table will be updated regardless if this setting is on or off. +arp_evict_nocarrier - BOOLEAN + Clears the ARP cache on NOCARRIER events. This option is important for + wireless devices where the ARP cache should not be cleared when roaming + between access points on the same network. In most cases this should + remain as the default (1). + + - 1 - (default): Clear the ARP cache on NOCARRIER events + - 0 - Do not clear ARP cache on NOCARRIER events + mcast_solicit - INTEGER The maximum number of multicast probes in INCOMPLETE state, when the associated hardware address is unknown. Defaults -- 2.31.1
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