From: Gabriel Goller Date: Wed, 25 Feb 2026 09:58:10 +0000 (+0100) Subject: docs: net: document neigh gc_interval sysctl X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d68d21ea6b29f87f1c334f007e845ca5fb678c80;p=thirdparty%2Flinux.git docs: net: document neigh gc_interval sysctl Add entry for the neigh/default/gc_interval sysctl. This sysctl is unused since kernel v2.6.8. Suggested-by: Jakub Kicinski Signed-off-by: Gabriel Goller Link: https://patch.msgid.link/20260225095822.44050-1-g.goller@proxmox.com Signed-off-by: Jakub Kicinski --- diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst index d1eeb5323af00..265158534cda5 100644 --- a/Documentation/networking/ip-sysctl.rst +++ b/Documentation/networking/ip-sysctl.rst @@ -202,6 +202,13 @@ neigh/default/gc_thresh3 - INTEGER Default: 1024 +neigh/default/gc_interval - INTEGER + Specifies how often the garbage collector for neighbor entries + should run. This value applies to the entire table, not + individual entries. Unused since kernel v2.6.8. + + Default: 30 seconds + neigh/default/gc_stale_time - INTEGER Determines how long a neighbor entry can remain unused before it is considered stale and eligible for garbage collection. Entries that have