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Gratuitous ARP packet handling

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only learn from a GARP packet if it is an update to an existing entry.

Change-Id: I4c1b59cfedb911466e5e4c9756cf53a6676e1909
Signed-off-by: Neale Ranns <neale.ranns@cisco.com>
This commit is contained in:
Neale Ranns
2018-06-07 18:09:49 -07:00
committed by Ole Trøan
parent 180f6476f8
commit 59ae61ee75
3 changed files with 137 additions and 10 deletions
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8
test/vpp_neighbor.py
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@ -9,7 +9,7 @@ from vpp_object import *
from util import mactobinary
def find_nbr(test, sw_if_index, ip_addr, is_static=0, inet=AF_INET):
def find_nbr(test, sw_if_index, ip_addr, is_static=0, inet=AF_INET, mac=None):
nbrs = test.vapi.ip_neighbor_dump(sw_if_index,
is_ipv6=1 if AF_INET6 == inet else 0)
if inet == AF_INET:
@ -21,7 +21,11 @@ def find_nbr(test, sw_if_index, ip_addr, is_static=0, inet=AF_INET):
for n in nbrs:
if nbr_addr == n.ip_address[:s] \
and is_static == n.is_static:
return True
if mac:
if n.mac_address == mactobinary(mac):
return True
else:
return True
return False