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authorMahesh Bandewar <maheshb@google.com>2023-04-19 04:32:38 +0300
committerJakub Kicinski <kuba@kernel.org>2023-04-21 06:07:50 +0300
commit7ab75456be144a354fbb3df1516d82fc24d3d67d (patch)
tree75078bedff017f6e63141db713acc430a0064404 /Documentation
parentb7b871f5dc4c854f3c1f444397493c7a7bc79c73 (diff)
downloadlinux-7ab75456be144a354fbb3df1516d82fc24d3d67d.tar.xz
ipv6: add icmpv6_error_anycast_as_unicast for ICMPv6
ICMPv6 error packets are not sent to the anycast destinations and this prevents things like traceroute from working. So create a setting similar to ECHO when dealing with Anycast sources (icmpv6_echo_ignore_anycast). Signed-off-by: Mahesh Bandewar <maheshb@google.com> Reviewed-by: David Ahern <dsahern@kernel.org> Reviewed-by: Maciej Żenczykowski <maze@google.com> Link: https://lore.kernel.org/r/20230419013238.2691167-1-maheshb@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/networking/ip-sysctl.rst7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst
index 58a78a316697..6ec06a33688a 100644
--- a/Documentation/networking/ip-sysctl.rst
+++ b/Documentation/networking/ip-sysctl.rst
@@ -2721,6 +2721,13 @@ echo_ignore_anycast - BOOLEAN
Default: 0
+error_anycast_as_unicast - BOOLEAN
+ If set to 1, then the kernel will respond with ICMP Errors
+ resulting from requests sent to it over the IPv6 protocol destined
+ to anycast address essentially treating anycast as unicast.
+
+ Default: 0
+
xfrm6_gc_thresh - INTEGER
(Obsolete since linux-4.14)
The threshold at which we will start garbage collecting for IPv6