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authorPaolo Abeni <pabeni@redhat.com>2015-10-14 15:25:53 +0300
committerDavid S. Miller <davem@davemloft.net>2015-10-14 16:01:07 +0300
commit02a6d6136fa2a17f400a030829a6435556b3e65b (patch)
tree1f07c6a39405a3e650f5e6b48b0cf68ae9adefdc /Documentation/networking
parent7d1f6411b04fef2f0a260205c92e811b280ae117 (diff)
downloadlinux-02a6d6136fa2a17f400a030829a6435556b3e65b.tar.xz
Revert "ipv4/icmp: redirect messages can use the ingress daddr as source"
Revert the commit e2ca690b657f ("ipv4/icmp: redirect messages can use the ingress daddr as source"), which tried to introduce a more suitable behaviour for ICMP redirect messages generated by VRRP routers. However RFC 5798 section 8.1.1 states: The IPv4 source address of an ICMP redirect should be the address that the end-host used when making its next-hop routing decision. while said commit used the generating packet destination address, which do not match the above and in most cases leads to no redirect packets to be generated. Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/networking')
-rw-r--r--Documentation/networking/ip-sysctl.txt19
1 files changed, 2 insertions, 17 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 99838259e2e6..ebe94f2cab98 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -884,8 +884,8 @@ icmp_ignore_bogus_error_responses - BOOLEAN
icmp_errors_use_inbound_ifaddr - BOOLEAN
- If zero, icmp error messages except redirects are sent with the primary
- address of the exiting interface.
+ If zero, icmp error messages are sent with the primary address of
+ the exiting interface.
If non-zero, the message will be sent with the primary address of
the interface that received the packet that caused the icmp error.
@@ -897,23 +897,8 @@ icmp_errors_use_inbound_ifaddr - BOOLEAN
then the primary address of the first non-loopback interface that
has one will be used regardless of this setting.
- The source address selection of icmp redirect messages is controlled by
- icmp_errors_use_inbound_ifaddr.
Default: 0
-icmp_redirects_use_orig_daddr - BOOLEAN
-
- If zero, icmp redirect messages are sent using the address specified for
- other icmp errors by icmp_errors_use_inbound_ifaddr.
-
- If non-zero, the message will be sent with the destination address of
- the packet that caused the icmp redirect.
- This behaviour is the preferred one on VRRP routers (see RFC 5798
- section 8.1.1).
-
- Default: 0
-
-
igmp_max_memberships - INTEGER
Change the maximum number of multicast groups we can subscribe to.
Default: 20