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-rwxr-xr-xsrc/conf_mode/system-ip.py43
1 files changed, 21 insertions, 22 deletions
diff --git a/src/conf_mode/system-ip.py b/src/conf_mode/system-ip.py
index 32cb2f036..05fc3a97a 100755
--- a/src/conf_mode/system-ip.py
+++ b/src/conf_mode/system-ip.py
@@ -1,6 +1,6 @@
#!/usr/bin/env python3
#
-# Copyright (C) 2019-2020 VyOS maintainers and contributors
+# Copyright (C) 2019-2022 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
@@ -20,14 +20,13 @@ from vyos.config import Config
from vyos.configdict import dict_merge
from vyos.util import call
from vyos.util import dict_search
+from vyos.util import sysctl_write
+from vyos.util import write_file
from vyos.xml import defaults
from vyos import ConfigError
from vyos import airbag
airbag.enable()
-def sysctl(name, value):
- call(f'sysctl -wq {name}={value}')
-
def get_config(config=None):
if config:
conf = config
@@ -50,29 +49,29 @@ def generate(opt):
pass
def apply(opt):
+ # Apply ARP threshold values
+ # table_size has a default value - thus the key always exists
size = int(dict_search('arp.table_size', opt))
- if size:
- # apply ARP threshold values
- sysctl('net.ipv4.neigh.default.gc_thresh3', str(size))
- sysctl('net.ipv4.neigh.default.gc_thresh2', str(size // 2))
- sysctl('net.ipv4.neigh.default.gc_thresh1', str(size // 8))
+ # Amount upon reaching which the records begin to be cleared immediately
+ sysctl_write('net.ipv4.neigh.default.gc_thresh3', size)
+ # Amount after which the records begin to be cleaned after 5 seconds
+ sysctl_write('net.ipv4.neigh.default.gc_thresh2', size // 2)
+ # Minimum number of stored records is indicated which is not cleared
+ sysctl_write('net.ipv4.neigh.default.gc_thresh1', size // 8)
# enable/disable IPv4 forwarding
- tmp = '1'
- if 'disable_forwarding' in opt:
- tmp = '0'
- sysctl('net.ipv4.conf.all.forwarding', tmp)
+ tmp = dict_search('disable_forwarding', opt)
+ value = '0' if (tmp != None) else '1'
+ write_file('/proc/sys/net/ipv4/conf/all/forwarding', value)
- tmp = '0'
- # configure multipath - dict_search() returns an empty dict if key was found
- if isinstance(dict_search('multipath.ignore_unreachable_nexthops', opt), dict):
- tmp = '1'
- sysctl('net.ipv4.fib_multipath_use_neigh', tmp)
+ # configure multipath
+ tmp = dict_search('multipath.ignore_unreachable_nexthops', opt)
+ value = '1' if (tmp != None) else '0'
+ sysctl_write('net.ipv4.fib_multipath_use_neigh', value)
- tmp = '0'
- if isinstance(dict_search('multipath.layer4_hashing', opt), dict):
- tmp = '1'
- sysctl('net.ipv4.fib_multipath_hash_policy', tmp)
+ tmp = dict_search('multipath.layer4_hashing', opt)
+ value = '1' if (tmp != None) else '0'
+ sysctl_write('net.ipv4.fib_multipath_hash_policy', value)
if __name__ == '__main__':
try: