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-rw-r--r--doc/user/Useful_Sysctl_Settings.md1
1 files changed, 1 insertions, 0 deletions
diff --git a/doc/user/Useful_Sysctl_Settings.md b/doc/user/Useful_Sysctl_Settings.md
index 4244b5fdfb..eaf97b969c 100644
--- a/doc/user/Useful_Sysctl_Settings.md
+++ b/doc/user/Useful_Sysctl_Settings.md
@@ -37,6 +37,7 @@ net.ipv4.icmp_errors_use_inbound_ifaddr=1
# Keep ipv6 permanent addresses on an admin down
net.ipv6.conf.all.keep_addr_on_down=1
+net.ipv6.route.skip_notify_on_dev_down=1
# igmp
net.ipv4.igmp_max_memberships=1000