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-rw-r--r--src/vnet/mpls/mpls_output.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/vnet/mpls/mpls_output.c b/src/vnet/mpls/mpls_output.c
index 5ede22aa410..e69a865863e 100644
--- a/src/vnet/mpls/mpls_output.c
+++ b/src/vnet/mpls/mpls_output.c
@@ -72,7 +72,7 @@ set_mpls_fragmentation(vlib_buffer_t * p0, ip_adjacency_t * adj0)
vlib_buffer_advance (p0, vnet_buffer (p0)->mpls.mpls_hdr_length);
/* IP fragmentation */
- ip_frag_set_vnet_buffer (p0, adj0[0].rewrite_header.max_l3_packet_bytes,
+ ip_frag_set_vnet_buffer (p0, adj0[0].rewrite_header.max_l3_packet_bytes - vnet_buffer (p0)->mpls.mpls_hdr_length,
IP4_FRAG_NEXT_MPLS_OUTPUT,
((vnet_buffer (p0)->mpls.pyld_proto == DPO_PROTO_IP4) ? IP_FRAG_FLAG_IP4_HEADER:IP_FRAG_FLAG_IP6_HEADER));