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-rw-r--r--src/plugins/lacp/lacp_test.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/plugins/lacp/lacp_test.c b/src/plugins/lacp/lacp_test.c
index cbff00d9502..4a705ff0140 100644
--- a/src/plugins/lacp/lacp_test.c
+++ b/src/plugins/lacp/lacp_test.c
@@ -114,6 +114,8 @@ api_sw_interface_lacp_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
+ if (!lm->ping_id)
+ lm->ping_id = vl_msg_api_get_msg_index ((u8 *) (VL_API_CONTROL_PING_CRC));
mp_ping = vl_msg_api_alloc_as_if_client (sizeof (*mp_ping));
mp_ping->_vl_msg_id = htons (lm->ping_id);
mp_ping->client_index = vam->my_client_index;