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diff --git a/python/vyos/configinterface.py b/python/vyos/configinterface.py
index 8ff93c02f..0f25c4a89 100644
--- a/python/vyos/configinterface.py
+++ b/python/vyos/configinterface.py
@@ -1,105 +1,113 @@
# Copyright 2019 VyOS maintainers and contributors <maintainers@vyos.io>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# 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 os
def validate_mac_address(addr):
# a mac address consits out of 6 octets
octets = len(addr.split(':'))
if octets != 6:
raise ValueError('wrong number of MAC octets: {} '.format(octets))
# validate against the first mac address byte if it's a multicast address
if int(addr.split(':')[0]) & 1:
raise ValueError('{} is a multicast MAC address'.format(addr))
# overall mac address is not allowed to be 00:00:00:00:00:00
if sum(int(i, 16) for i in addr.split(':')) == 0:
raise ValueError('00:00:00:00:00:00 is not a valid MAC address')
# check for VRRP mac address
if addr.split(':')[0] == '0' and addr.split(':')[1] == '0' and addr.split(':')[2] == '94' and addr.split(':')[3] == '0' and addr.split(':')[4] == '1':
raise ValueError('{} is a VRRP MAC address')
pass
def set_mac_address(intf, addr):
"""
Configure interface mac address using iproute2 command
"""
validate_mac_address(addr)
os.system('ip link set {} address {}'.format(intf, addr))
+ pass
def set_description(intf, desc):
"""
Sets the interface secription reported usually by SNMP
"""
with open('/sys/class/net/' + intf + '/ifalias', 'w') as f:
f.write(desc)
+ pass
def set_arp_cache_timeout(intf, tmoMS):
"""
Configure the ARP cache entry timeout in milliseconds
"""
with open('/proc/sys/net/ipv4/neigh/' + intf + '/base_reachable_time_ms', 'w') as f:
f.write(tmoMS)
+ pass
+
def set_multicast_querier(intf, enable):
"""
Sets whether the bridge actively runs a multicast querier or not. When a
bridge receives a 'multicast host membership' query from another network host,
that host is tracked based on the time that the query was received plus the
multicast query interval time.
use enable=1 to enable or enable=0 to disable
"""
if int(enable) >= 0 and int(enable) <= 1:
with open('/sys/devices/virtual/net/' + intf + '/bridge/multicast_querier', 'w') as f:
f.write(str(enable))
else:
raise ValueError("malformed configuration string on interface {}: enable={}".format(intf, enable))
+ pass
+
def set_link_detect(intf, enable):
"""
0 - Allow packets to be received for the address on this interface
even if interface is disabled or no carrier.
1 - Ignore packets received if interface associated with the incoming
address is down.
2 - Ignore packets received if interface associated with the incoming
address is down or has no carrier.
Kernel Source: Documentation/networking/ip-sysctl.txt
"""
# Note can't use sysctl it is broken for vif name because of dots
# link_filter values:
# 0 - always receive
# 1 - ignore receive if admin_down
# 2 - ignore receive if admin_down or link down
with open('/proc/sys/net/ipv4/conf/' + intf + '/link_filter', 'w') as f:
if enable == True or enable == 1:
f.write('2')
if os.path.isfile('/usr/bin/vtysh'):
os.system('/usr/bin/vtysh -c "configure terminal" -c "interface {}" -c "link-detect"'.format(intf))
else:
f.write('1')
if os.path.isfile('/usr/bin/vtysh'):
os.system('/usr/bin/vtysh -c "configure terminal" -c "interface {}" -c "no link-detect"'.format(intf))
+
+ pass

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