From 73b9f7037ba8c0e7ac19adebba1ea4476bce89fe Mon Sep 17 00:00:00 2001
From: Vipin Kumar <vipin@cumulusnetworks.com>
Date: Tue, 20 Oct 2015 15:06:25 -0700
Subject: [PATCH] Print an error when user tries to change a previously
 configured area.

Ticket: CM-5673
Reviewed By: Donald
Testing Done:  Cherry picking from 2.5.4, no testing in 3.0 yet.
---
 ospfd/ospf_vty.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ospfd/ospf_vty.c b/ospfd/ospf_vty.c
index f2b34bab17..12187f3136 100644
--- a/ospfd/ospf_vty.c
+++ b/ospfd/ospf_vty.c
@@ -7688,6 +7688,9 @@ DEFUN (ip_ospf_area,
   params = IF_DEF_PARAMS (ifp);
   if (OSPF_IF_PARAM_CONFIGURED(params, if_area))
     {
+      vty_out (vty,
+               "Must remove previous area config before changing ospf area %s",
+               VTY_NEWLINE);
       return CMD_WARNING;
     }
 
-- 
2.39.5