[kernel]: Increasing gc threshold values for kernel neighbors (#4100)

Increase gc threashold values as below: Previous: net.ipv6.neigh.default.gc_thresh1=128 net.ipv6.neigh.default.gc_thresh2=512 net.ipv6.neigh.default.gc_thresh3=1024 net.ipv4.neigh.default.gc_thresh1=128 net.ipv4.neigh.default.gc_thresh2=512 net.ipv4.neigh.default.gc_thresh3=1024 New net.ipv6.neigh.default.gc_thresh1=1024 net.ipv6.neigh.default.gc_thresh2=2048 net.ipv6.neigh.default.gc_thresh3=4096 net.ipv4.neigh.default.gc_thresh1=1024 net.ipv4.neigh.default.gc_thresh2=2048 net.ipv4.neigh.default.gc_thresh3=4096
sonic-net · Feb 4, 2020 · 48ca0a1 · 48ca0a1
1 parent 7843d94
commit 48ca0a1
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/build_debian.sh b/build_debian.sh
@@ -375,6 +375,12 @@ set /files/etc/sysctl.conf/net.ipv4.conf.all.arp_ignore 2
 
 set /files/etc/sysctl.conf/net.ipv4.neigh.default.base_reachable_time_ms 1800000
 set /files/etc/sysctl.conf/net.ipv6.neigh.default.base_reachable_time_ms 1800000
+set /files/etc/sysctl.conf/net.ipv4.neigh.default.gc_thresh1 1024
+set /files/etc/sysctl.conf/net.ipv6.neigh.default.gc_thresh1 1024
+set /files/etc/sysctl.conf/net.ipv4.neigh.default.gc_thresh2 2048
+set /files/etc/sysctl.conf/net.ipv6.neigh.default.gc_thresh2 2048
+set /files/etc/sysctl.conf/net.ipv4.neigh.default.gc_thresh3 4096
+set /files/etc/sysctl.conf/net.ipv6.neigh.default.gc_thresh3 4096
 
 set /files/etc/sysctl.conf/net.ipv6.conf.default.forwarding 1
 set /files/etc/sysctl.conf/net.ipv6.conf.all.forwarding 1