From: Hasso Tepper <hasso@estpak.ee>
ensure only interfaces that are inactive or do not exist can be deleted
diff --git a/lib/if.c b/lib/if.c
index 2ca8c94..f003754 100644
--- a/lib/if.c
+++ b/lib/if.c
@@ -453,9 +453,13 @@
ifp = if_lookup_by_name (argv[0]);
if (ifp == NULL)
- return CMD_SUCCESS;
+ {
+ vty_out (vty, "%% Inteface %s does not exist%s", argv[0], VTY_NEWLINE);
+ return CMD_WARNING;
+ }
- if (if_is_up(ifp)) {
+ if (CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE))
+ {
vty_out (vty, "%% Only inactive interfaces can be deleted%s",
VTY_NEWLINE);
return CMD_WARNING;