Bug fix: limit ARP response scope when using VRRP on FRRouting

ipspace · Sep 18, 2024 · 6276f07 · 6276f07
1 parent 977ede1
commit 6276f07
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/netsim/ansible/templates/gateway/frr.j2 b/netsim/ansible/templates/gateway/frr.j2
@@ -11,6 +11,8 @@ if [ ! -e /sys/class/net/{{ v_if }} ]; then
   ip link set dev {{ v_if }} address {{ v_mac }}
   ip addr add {{ intf.gateway[afm] }} dev {{ v_if }}
   ip link set dev {{ v_if }} up
+  sysctl -w net.ipv4.conf.{{ intf.ifname }}.arp_announce=1
+  sysctl -w net.ipv4.conf.{{ intf.ifname }}.arp_ignore=2
 fi
 {%   endfor %}
 {% endfor %}