@@ -404,7 +404,10 @@ function _neutron_configure_router_v6 {

         # IPv6-only clouds in the gate. Please do not remove this without

         # talking to folks in Infra.

         for d in $default_v6_route_devs; do

-            sudo sysctl -w net.ipv6.conf.$d.accept_ra=2

+            # Slashes must be used in this sysctl command because route devices

+            # can have dots in their names. If dots were used, dots in the

+            # device name would be reinterpreted as a slash, causing an error.

+            sudo sysctl -w net/ipv6/conf/$d/accept_ra=2

         done

         # Ensure IPv6 forwarding is enabled on the host

         sudo sysctl -w net.ipv6.conf.all.forwarding=1