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-rw-r--r--src/vnet/interface_cli.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/src/vnet/interface_cli.c b/src/vnet/interface_cli.c
index ec8530da299..c1566551669 100644
--- a/src/vnet/interface_cli.c
+++ b/src/vnet/interface_cli.c
@@ -844,6 +844,7 @@ set_unnumbered (vlib_main_t * vm,
vnet_sw_interface_t *si;
int is_set = 0;
int is_del = 0;
+ u32 was_unnum;
if (unformat (input, "%U use %U",
unformat_vnet_sw_interface, vnm, &unnumbered_sw_if_index,
@@ -858,12 +859,13 @@ set_unnumbered (vlib_main_t * vm,
format_unformat_error, input);
si = vnet_get_sw_interface (vnm, unnumbered_sw_if_index);
+ was_unnum = (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED);
+
if (is_del)
{
si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED);
si->unnumbered_sw_if_index = (u32) ~ 0;
- ip4_sw_interface_enable_disable (unnumbered_sw_if_index, 0);
- ip6_sw_interface_enable_disable (unnumbered_sw_if_index, 0);
+
ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
[unnumbered_sw_if_index] = ~0;
ip6_main.lookup_main.if_address_pool_index_by_sw_if_index
@@ -873,8 +875,7 @@ set_unnumbered (vlib_main_t * vm,
{
si->flags |= VNET_SW_INTERFACE_FLAG_UNNUMBERED;
si->unnumbered_sw_if_index = inherit_from_sw_if_index;
- ip4_sw_interface_enable_disable (unnumbered_sw_if_index, 1);
- ip6_sw_interface_enable_disable (unnumbered_sw_if_index, 1);
+
ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
[unnumbered_sw_if_index] =
ip4_main.lookup_main.if_address_pool_index_by_sw_if_index
@@ -884,6 +885,16 @@ set_unnumbered (vlib_main_t * vm,
ip6_main.lookup_main.if_address_pool_index_by_sw_if_index
[inherit_from_sw_if_index];
}
+ else
+ {
+ return (0);
+ }
+
+ if (was_unnum != (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED))
+ {
+ ip4_sw_interface_enable_disable (unnumbered_sw_if_index, !is_del);
+ ip6_sw_interface_enable_disable (unnumbered_sw_if_index, !is_del);
+ }
return 0;
}