From 9ccae64fe37259ebb71c5977f85fb8b68c5e0b59 Mon Sep 17 00:00:00 2001
From: Mitesh Kanjariya <mitesh@marvel-07.cumulusnetworks.com>
Date: Sun, 22 Oct 2017 03:46:49 -0700
Subject: [PATCH] zebra: only write vni config under vrf if the vni is valid

Signed-off-by: Mitesh Kanjariya <mitesh@cumulusnetworks.com>
---
 zebra/zebra_vrf.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/zebra/zebra_vrf.c b/zebra/zebra_vrf.c
index d2e3f94b47..1ae9eac61f 100644
--- a/zebra/zebra_vrf.c
+++ b/zebra/zebra_vrf.c
@@ -478,7 +478,8 @@ static int vrf_config_write(struct vty *vty)
 
 		if (strcmp(zvrf_name(zvrf), VRF_DEFAULT_NAME)) {
 			vty_out(vty, "vrf %s\n", zvrf_name(zvrf));
-			vty_out(vty, " vni %u\n", zvrf->l3vni);
+			if (zvrf->l3vni)
+				vty_out(vty, " vni %u\n", zvrf->l3vni);
 			vty_out(vty, "!\n");
 		}
 	}