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-rw-r--r--python/vyos/ifconfig/interface.py26
-rw-r--r--python/vyos/ifconfig/loopback.py13
2 files changed, 22 insertions, 17 deletions
diff --git a/python/vyos/ifconfig/interface.py b/python/vyos/ifconfig/interface.py
index a2fa96d82..9eed3acb9 100644
--- a/python/vyos/ifconfig/interface.py
+++ b/python/vyos/ifconfig/interface.py
@@ -38,7 +38,7 @@ from vyos.util import dict_search
from vyos.util import read_file
from vyos.util import get_interface_config
from vyos.util import is_systemd_service_active
-from vyos.util import sysctl_read
+from vyos.util import is_ipv6_enabled
from vyos.template import is_ipv4
from vyos.template import is_ipv6
from vyos.validate import is_intf_addr_assigned
@@ -990,6 +990,10 @@ class Interface(Control):
"Can't configure both static IPv4 and DHCP address "
"on the same interface"))
+ # Failsave - do not add IPv6 address if IPv6 is disabled
+ if is_ipv6(addr) and not is_ipv6_enabled():
+ return False
+
# add to interface
if addr == 'dhcp':
self.set_dhcp(True)
@@ -1296,9 +1300,6 @@ class Interface(Control):
else:
self.del_addr(addr)
- for addr in new_addr:
- self.add_addr(addr)
-
# start DHCPv6 client when only PD was configured
if dhcpv6pd:
self.set_dhcpv6(True)
@@ -1313,6 +1314,10 @@ class Interface(Control):
# checked before
self.set_vrf(config.get('vrf', ''))
+ # Add this section after vrf T4331
+ for addr in new_addr:
+ self.add_addr(addr)
+
# Configure ARP cache timeout in milliseconds - has default value
tmp = dict_search('ip.arp_cache_timeout', config)
value = tmp if (tmp != None) else '30'
@@ -1358,8 +1363,15 @@ class Interface(Control):
value = tmp if (tmp != None) else '0'
self.set_ipv4_source_validation(value)
+ # MTU - Maximum Transfer Unit has a default value. It must ALWAYS be set
+ # before mangling any IPv6 option. If MTU is less then 1280 IPv6 will be
+ # automatically disabled by the kernel. Also MTU must be increased before
+ # configuring any IPv6 address on the interface.
+ if 'mtu' in config:
+ self.set_mtu(config.get('mtu'))
+
# Only change IPv6 parameters if IPv6 was not explicitly disabled
- if sysctl_read('net.ipv6.conf.all.disable_ipv6') == '0':
+ if is_ipv6_enabled():
# IPv6 forwarding
tmp = dict_search('ipv6.disable_forwarding', config)
value = '0' if (tmp != None) else '1'
@@ -1382,10 +1394,6 @@ class Interface(Control):
value = tmp if (tmp != None) else '1'
self.set_ipv6_dad_messages(value)
- # MTU - Maximum Transfer Unit
- if 'mtu' in config:
- self.set_mtu(config.get('mtu'))
-
# Delete old IPv6 EUI64 addresses before changing MAC
for addr in (dict_search('ipv6.address.eui64_old', config) or []):
self.del_ipv6_eui64_address(addr)
diff --git a/python/vyos/ifconfig/loopback.py b/python/vyos/ifconfig/loopback.py
index de554ef44..30c890fdf 100644
--- a/python/vyos/ifconfig/loopback.py
+++ b/python/vyos/ifconfig/loopback.py
@@ -13,9 +13,8 @@
# You should have received a copy of the GNU Lesser General Public
# License along with this library. If not, see <http://www.gnu.org/licenses/>.
-import vyos.util
-
from vyos.ifconfig.interface import Interface
+from vyos.util import is_ipv6_enabled
@Interface.register
class LoopbackIf(Interface):
@@ -34,8 +33,6 @@ class LoopbackIf(Interface):
}
}
- name = 'loopback'
-
def remove(self):
"""
Loopback interface can not be deleted from operating system. We can
@@ -62,11 +59,11 @@ class LoopbackIf(Interface):
on any interface. """
addr = config.get('address', [])
- # We must ensure that the loopback addresses are never deleted from the system
- addr += ['127.0.0.1/8']
- if (vyos.util.sysctl_read('net.ipv6.conf.all.disable_ipv6') == '0'):
- addr += ['::1/128']
+ # We must ensure that the loopback addresses are never deleted from the system
+ addr.append('127.0.0.1/8')
+ if is_ipv6_enabled():
+ addr.append('::1/128')
# Update IP address entry in our dictionary
config.update({'address' : addr})