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-rw-r--r--python/vyos/ifconfig/interface.py26
1 files changed, 24 insertions, 2 deletions
diff --git a/python/vyos/ifconfig/interface.py b/python/vyos/ifconfig/interface.py
index 6e85b7a9d..cc6149428 100644
--- a/python/vyos/ifconfig/interface.py
+++ b/python/vyos/ifconfig/interface.py
@@ -191,6 +191,10 @@ class Interface(Control):
'validate': lambda fwd: assert_range(fwd,0,2),
'location': '/proc/sys/net/ipv6/conf/{ifname}/forwarding',
},
+ 'ipv6_accept_dad': {
+ 'validate': lambda dad: assert_range(dad,0,3),
+ 'location': '/proc/sys/net/ipv6/conf/{ifname}/accept_dad',
+ },
'ipv6_dad_transmits': {
'validate': assert_positive,
'location': '/proc/sys/net/ipv6/conf/{ifname}/dad_transmits',
@@ -256,6 +260,9 @@ class Interface(Control):
'ipv6_forwarding': {
'location': '/proc/sys/net/ipv6/conf/{ifname}/forwarding',
},
+ 'ipv6_accept_dad': {
+ 'location': '/proc/sys/net/ipv6/conf/{ifname}/accept_dad',
+ },
'ipv6_dad_transmits': {
'location': '/proc/sys/net/ipv6/conf/{ifname}/dad_transmits',
},
@@ -846,6 +853,13 @@ class Interface(Control):
return None
return self.set_interface('ipv6_forwarding', forwarding)
+ def set_ipv6_dad_accept(self, dad):
+ """Whether to accept DAD (Duplicate Address Detection)"""
+ tmp = self.get_interface('ipv6_accept_dad')
+ if tmp == dad:
+ return None
+ return self.set_interface('ipv6_accept_dad', dad)
+
def set_ipv6_dad_messages(self, dad):
"""
The amount of Duplicate Address Detection probes to send.
@@ -1551,9 +1565,17 @@ class Interface(Control):
value = '1' if (tmp != None) else '0'
self.set_ipv6_autoconf(value)
- # IPv6 Duplicate Address Detection (DAD) tries
+ # Whether to accept IPv6 DAD (Duplicate Address Detection) packets
+ tmp = dict_search('ipv6.accept_dad', config)
+ # Not all interface types got this CLI option, but if they do, there
+ # is an XML defaultValue available
+ if (tmp != None): self.set_ipv6_dad_accept(tmp)
+
+ # IPv6 DAD tries
tmp = dict_search('ipv6.dup_addr_detect_transmits', config)
- self.set_ipv6_dad_messages(tmp)
+ # Not all interface types got this CLI option, but if they do, there
+ # is an XML defaultValue available
+ if (tmp != None): self.set_ipv6_dad_messages(tmp)
# Delete old IPv6 EUI64 addresses before changing MAC
for addr in (dict_search('ipv6.address.eui64_old', config) or []):