#vrf interface
@iface_config = ();
push @iface_config, "vrf-table auto";
+ push @iface_config, "post-up ip route add vrf $vrf_iface unreachable default metric 4278198272";
push(@{$config->{$vrf_iface}}, @iface_config) if !$config->{$vrf_iface};
if ($vrfvxlan) {