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-rw-r--r--src/vnet/ip/ip_frag.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/vnet/ip/ip_frag.c b/src/vnet/ip/ip_frag.c
index 2af697e96b6..fba25fffff7 100644
--- a/src/vnet/ip/ip_frag.c
+++ b/src/vnet/ip/ip_frag.c
@@ -131,6 +131,12 @@ ip4_frag_do_fragment (vlib_main_t * vm, u32 pi, u32 ** buffer,
vnet_buffer (p)->sw_if_index[VLIB_RX];
vnet_buffer (b)->sw_if_index[VLIB_TX] =
vnet_buffer (p)->sw_if_index[VLIB_TX];
+ /* Copy Adj_index in case DPO based node is sending for the fragmentation,
+ the packet would be sent back to the proper DPO next node and Index */
+ vnet_buffer (b)->ip.adj_index[VLIB_RX] =
+ vnet_buffer (p)->ip.adj_index[VLIB_RX];
+ vnet_buffer (b)->ip.adj_index[VLIB_TX] =
+ vnet_buffer (p)->ip.adj_index[VLIB_TX];
fip4 = (ip4_header_t *) (vlib_buffer_get_current (b) + offset);
//Copy offset and ip4 header
@@ -393,6 +399,14 @@ ip6_frag_do_fragment (vlib_main_t * vm, u32 pi, u32 ** buffer,
vnet_buffer (p)->sw_if_index[VLIB_RX];
vnet_buffer (b)->sw_if_index[VLIB_TX] =
vnet_buffer (p)->sw_if_index[VLIB_TX];
+
+ /* Copy Adj_index in case DPO based node is sending for the fragmentation,
+ the packet would be sent back to the proper DPO next node and Index */
+ vnet_buffer (b)->ip.adj_index[VLIB_RX] =
+ vnet_buffer (p)->ip.adj_index[VLIB_RX];
+ vnet_buffer (b)->ip.adj_index[VLIB_TX] =
+ vnet_buffer (p)->ip.adj_index[VLIB_TX];
+
clib_memcpy (vlib_buffer_get_current (b),
vlib_buffer_get_current (p), headers_len);
clib_memcpy (vlib_buffer_get_current (b) + headers_len,