ip-sysctl.rst (fc024c5c07aa2463d36e8c85943343741ba356b7) ip-sysctl.rst (6b2e04bc240fe9be9e690059f710e9f95346d34d)
1.. SPDX-License-Identifier: GPL-2.0
2
3=========
4IP Sysctl
5=========
6
7/proc/sys/net/ipv4/* Variables
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1802 1 Compute the flowlabel using seg6_make_flowlabel()
1803 == =======================================================
1804
1805 Default is 0.
1806
1807``conf/default/*``:
1808 Change the interface-specific default settings.
1809
1.. SPDX-License-Identifier: GPL-2.0
2
3=========
4IP Sysctl
5=========
6
7/proc/sys/net/ipv4/* Variables
8==============================

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1802 1 Compute the flowlabel using seg6_make_flowlabel()
1803 == =======================================================
1804
1805 Default is 0.
1806
1807``conf/default/*``:
1808 Change the interface-specific default settings.
1809
1810 These settings would be used during creating new interfaces.
1811
1810
1812
1813``conf/all/*``:
1814 Change all the interface-specific settings.
1815
1816 [XXX: Other special features than forwarding?]
1817
1811``conf/all/*``:
1812 Change all the interface-specific settings.
1813
1814 [XXX: Other special features than forwarding?]
1815
1818conf/all/disable_ipv6 - BOOLEAN
1819 Changing this value is same as changing ``conf/default/disable_ipv6``
1820 setting and also all per-interface ``disable_ipv6`` settings to the same
1821 value.
1822
1823 Reading this value does not have any particular meaning. It does not say
1824 whether IPv6 support is enabled or disabled. Returned value can be 1
1825 also in the case when some interface has ``disable_ipv6`` set to 0 and
1826 has configured IPv6 addresses.
1827
1828conf/all/forwarding - BOOLEAN
1829 Enable global IPv6 forwarding between all interfaces.
1830
1831 IPv4 and IPv6 work differently here; e.g. netfilter must be used
1832 to control which interfaces may forward packets and which not.
1833
1834 This also sets all interfaces' Host/Router setting
1835 'forwarding' to the specified value. See below for details.

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1878accept_ra_defrtr - BOOLEAN
1879 Learn default router in Router Advertisement.
1880
1881 Functional default:
1882
1883 - enabled if accept_ra is enabled.
1884 - disabled if accept_ra is disabled.
1885
1816conf/all/forwarding - BOOLEAN
1817 Enable global IPv6 forwarding between all interfaces.
1818
1819 IPv4 and IPv6 work differently here; e.g. netfilter must be used
1820 to control which interfaces may forward packets and which not.
1821
1822 This also sets all interfaces' Host/Router setting
1823 'forwarding' to the specified value. See below for details.

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1866accept_ra_defrtr - BOOLEAN
1867 Learn default router in Router Advertisement.
1868
1869 Functional default:
1870
1871 - enabled if accept_ra is enabled.
1872 - disabled if accept_ra is disabled.
1873
1874ra_defrtr_metric - UNSIGNED INTEGER
1875 Route metric for default route learned in Router Advertisement. This value
1876 will be assigned as metric for the default route learned via IPv6 Router
1877 Advertisement. Takes affect only if accept_ra_defrtr is enabled.
1878
1879 Possible values:
1880 1 to 0xFFFFFFFF
1881
1882 Default: IP6_RT_PRIO_USER i.e. 1024.
1883
1886accept_ra_from_local - BOOLEAN
1887 Accept RA with source-address that is found on local machine
1888 if the RA is otherwise proper and able to be accepted.
1889
1890 Default is to NOT accept these as it may be an un-intended
1891 network loop.
1892
1893 Functional default:

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1884accept_ra_from_local - BOOLEAN
1885 Accept RA with source-address that is found on local machine
1886 if the RA is otherwise proper and able to be accepted.
1887
1888 Default is to NOT accept these as it may be an un-intended
1889 network loop.
1890
1891 Functional default:

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