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-rw-r--r--src/vnet/interface_cli.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/vnet/interface_cli.c b/src/vnet/interface_cli.c
index 8475225b525..2f231c117db 100644
--- a/src/vnet/interface_cli.c
+++ b/src/vnet/interface_cli.c
@@ -319,6 +319,21 @@ show_sw_interfaces (vlib_main_t * vm,
show_vtr = 1;
else if (unformat (linput, "verbose"))
verbose = 1;
+ else if (unformat (linput, "%d", &sw_if_index))
+ {
+ if (!pool_is_free_index (im->sw_interfaces, sw_if_index))
+ {
+ si = pool_elt_at_index (im->sw_interfaces, sw_if_index);
+ vec_add1 (sorted_sis, si[0]);
+ }
+ else
+ {
+ vec_free (sorted_sis);
+ error = clib_error_return (0, "unknown interface index `%d'",
+ sw_if_index);
+ goto done;
+ }
+ }
else
{
vec_free (sorted_sis);