lib: Allow doing match/set tag untagged

In route-map: `match tag untagged`.

E.g. Cisco/Juniper allows that, but they use `match tag 0` instead.

Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/yang/frr-route-map.yang b/yang/frr-route-map.yang
index 7cb13b60f2..26d56acc03 100644
--- a/yang/frr-route-map.yang
+++ b/yang/frr-route-map.yang
@@ -268,7 +268,7 @@ module frr-route-map {
           when "derived-from-or-self(../condition, 'match-tag')";
           leaf tag {
             type uint32 {
-              range "1..4294967295";
+              range "0..4294967295";
             }
           }
         }