diff options
| author |   John Lo <loj@cisco.com> | 2018-06-06 20:12:46 -0400 |
|---|---|---|
| committer |   Neale Ranns <nranns@cisco.com> | 2018-06-07 02:24:18 +0000 |
| commit | d018870d1b02109fc8b328446f15312fdd2fcd11 (patch) | |
| tree | 35094636c98306a2485daee0edf9f5abbf13a437 | |
| parent | d0e812f2d49cf241f80ac020b6e697cd408f216b (diff) | |
Allow arp-input node to learn IPv4 neighbors from GARP packets
Change-Id: I86019f4ff9b0c8c633638fa23341d8ce49099ba6
Signed-off-by: John Lo <loj@cisco.com>
| -rw-r--r-- | src/vnet/ethernet/arp.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/vnet/ethernet/arp.c b/src/vnet/ethernet/arp.c index 682bc2a2c92..203f6f7f01a 100644 --- 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)) { + /* 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; } |