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-rw-r--r--src/plugins/ping/ping.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/plugins/ping/ping.c b/src/plugins/ping/ping.c
index 5973b484045..38cb5b82eb6 100644
--- a/src/plugins/ping/ping.c
+++ b/src/plugins/ping/ping.c
@@ -990,6 +990,7 @@ send_ip46_ping (vlib_main_t * vm,
ERROR_OUT (SEND_PING_NO_INTERFACE);
vnet_buffer (b0)->sw_if_index[VLIB_RX] = sw_if_index;
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] = fib_index;
int l4_header_offset = ip46_fill_l3_header (pa46, b0, is_ip6);