diff --git a/files/image_config/sysctl/sysctl-net.conf b/files/image_config/sysctl/sysctl-net.conf
index 3e7c081120..7946d2c868 100644
--- a/files/image_config/sysctl/sysctl-net.conf
+++ b/files/image_config/sysctl/sysctl-net.conf
@@ -15,6 +15,7 @@ net.ipv4.conf.all.arp_announce=1
 net.ipv4.conf.all.arp_filter=0
 net.ipv4.conf.all.arp_notify=1
 net.ipv4.conf.all.arp_ignore=2
+net.ipv4.ip_local_port_range="32768 50001"
 net.ipv4.neigh.default.base_reachable_time_ms=1800000
 net.ipv6.neigh.default.base_reachable_time_ms=1800000
 net.ipv4.neigh.default.gc_thresh1=1024