mwan3: warn about unsupported IPv6 in arping track method

ARP and arping do not support IPv6.

Signed-off-by: Harin Lee <redacted>

diff --git a/net/mwan3/files/usr/sbin/mwan3track b/net/mwan3/files/usr/sbin/mwan3track
index 9365e1b237063d28419302e15a298953b75dab2e..91a816de23bbbfe864e13a28267342759766af82 100755 (executable)
--- a/net/mwan3/files/usr/sbin/mwan3track
+++ b/net/mwan3/files/usr/sbin/mwan3track
@@ -74,6 +74,10 @@ validate_track_method() {
                        fi
                        ;;
                arping)
+                       [ "$FAMILY" = "ipv6" ] && {
+                               LOG warn "arping does not support IPv6. Please use another track method."
+                               return 1
+                       }
                        command -v arping 1>/dev/null 2>&1 || {
                                LOG warn "Missing arping. Please install iputils-arping package."
                                return 1