From a69f94803b809c59e8c3586fa99429d2735e29a7 Mon Sep 17 00:00:00 2001 From: Stefan Agner Date: Thu, 2 Mar 2023 00:06:42 +0100 Subject: [PATCH] Increase net.core.optmem_max for OTBR (#2375) The OTBR install scripts by default increases the net.core.optmem_max ancillary buffer size to 64KiB to allow for a larger number of multicast groups. Arch Linux as well recommends this size for high speed network links. --- .../rootfs-overlay/etc/sysctl.d/60-otbr-ancillary-buffer.conf | 3 +++ 1 file changed, 3 insertions(+) create mode 100644 buildroot-external/rootfs-overlay/etc/sysctl.d/60-otbr-ancillary-buffer.conf diff --git a/buildroot-external/rootfs-overlay/etc/sysctl.d/60-otbr-ancillary-buffer.conf b/buildroot-external/rootfs-overlay/etc/sysctl.d/60-otbr-ancillary-buffer.conf new file mode 100644 index 000000000..7310fa753 --- /dev/null +++ b/buildroot-external/rootfs-overlay/etc/sysctl.d/60-otbr-ancillary-buffer.conf @@ -0,0 +1,3 @@ +# Increase ancillary buffer size to allow for a larger number of multicast groups +# Required for NdProxyManager::JoinSolicitedNodeMulticastGroup +net.core.optmem_max=65536