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Allow arp-input node to learn IPv4 neighbors from GARP packets
[vpp.git]
/
src
/
vnet
/
ethernet
/
arp.c
diff --git
a/src/vnet/ethernet/arp.c
b/src/vnet/ethernet/arp.c
index
682bc2a
..
203f6f7
100644
(file)
--- a/
src/vnet/ethernet/arp.c
+++ b/
src/vnet/ethernet/arp.c
@@
-1163,6
+1163,11
@@
arp_input (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
clib_host_to_net_u16 (ETHERNET_ARP_OPCODE_request) &&
(dst_is_local0 == 0))
{
clib_host_to_net_u16 (ETHERNET_ARP_OPCODE_request) &&
(dst_is_local0 == 0))
{
+ /* learn from GARP packet */
+ if (arp0->ip4_over_ethernet[0].ip4.as_u32 ==
+ arp0->ip4_over_ethernet[1].ip4.as_u32)
+ error0 = arp_learn (vnm, am, sw_if_index0,
+ &arp0->ip4_over_ethernet[0]);
goto drop1;
}
goto drop1;
}