Documentation was updated with details how net.ipv6.conf.all settings are used and how they affect current behaviour and interface-specific settings. Signed-off-by: Milos Vyletel <milos.vyletel@xxxxxxxxx> --- Documentation/networking/ip-sysctl.txt | 48 ++++++++++++++++++++++++++++++---- 1 file changed, 43 insertions(+), 5 deletions(-) diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index ab42c95..f0406ff 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -1159,13 +1159,51 @@ ip6frag_secret_interval - INTEGER Default: 600 conf/default/*: - Change the interface-specific default settings. + Change the interface-specific default settings. These settings are + applied to all interfaces that have not been up and that did not have + this settings set previously. This is usually only during boot before + network is set up when sysctl settings are applied. conf/all/*: - Change all the interface-specific settings. - - [XXX: Other special features than forwarding?] + Change all the interface-specific settings. Different settings have + different effect. There are three different groups based on how they + treat conf/all vs interface-specific settings. These groups are + + Both conf/all and interface must enable this feature (andconf) + - accept_ra_defrtr + - accept_ra_pinfo + - accept_ra_rtr_pref + - accept_redirects + - autoconf + - force_tllao + - mforward + - ndisc_notify + - suppress_frag_ndisc + + Either conf/all or interface must enable this feature (orconf) + - disable_ipv6 + - proxy_ndp + + Maximum value of conf/all or interface will be used (maxconf) + - accept_dad + - accept_ra + - accept_ra_rt_info_max_plen + - accept_source_route + - dad_transmits + - hop_limit + - max_addresses + - max_desync_factor + - mtu + - optimistic_dad + - regen_max_retry + - router_probe_interval + - router_solicitation_delay + - router_solicitation_interval + - router_solicitations + - temp_prefered_lft + - temp_valid_lft + - use_tempaddr conf/all/forwarding - BOOLEAN Enable global IPv6 forwarding between all interfaces. @@ -1414,7 +1452,7 @@ force_mld_version - INTEGER 1 - Enforce to use MLD version 1 2 - Enforce to use MLD version 2 -suppress_frag_ndisc - INTEGER +suppress_frag_ndisc - BOOLEAN Control RFC 6980 (Security Implications of IPv6 Fragmentation with IPv6 Neighbor Discovery) behavior: 1 - (default) discard fragmented neighbor discovery packets -- 1.9.0 -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
