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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-23 20:47:02 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-23 20:47:02 +0200
commit5f05647dd81c11a6a165ccc8f0c1370b16f3bcb0 (patch)
tree7851ef1c93aa1aba7ef327ca4b75fd35e6d10f29 /Documentation/networking/ip-sysctl.txt
parentMerge branches 'softirq-for-linus', 'x86-debug-for-linus', 'x86-numa-for-linu... (diff)
parentbnx2/bnx2x: Unsupported Ethtool operations should return -EINVAL. (diff)
downloadlinux-5f05647dd81c11a6a165ccc8f0c1370b16f3bcb0.tar.xz
linux-5f05647dd81c11a6a165ccc8f0c1370b16f3bcb0.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1699 commits) bnx2/bnx2x: Unsupported Ethtool operations should return -EINVAL. vlan: Calling vlan_hwaccel_do_receive() is always valid. tproxy: use the interface primary IP address as a default value for --on-ip tproxy: added IPv6 support to the socket match cxgb3: function namespace cleanup tproxy: added IPv6 support to the TPROXY target tproxy: added IPv6 socket lookup function to nf_tproxy_core be2net: Changes to use only priority codes allowed by f/w tproxy: allow non-local binds of IPv6 sockets if IP_TRANSPARENT is enabled tproxy: added tproxy sockopt interface in the IPV6 layer tproxy: added udp6_lib_lookup function tproxy: added const specifiers to udp lookup functions tproxy: split off ipv6 defragmentation to a separate module l2tp: small cleanup nf_nat: restrict ICMP translation for embedded header can: mcp251x: fix generation of error frames can: mcp251x: fix endless loop in interrupt handler if CANINTF_MERRF is set can-raw: add msg_flags to distinguish local traffic 9p: client code cleanup rds: make local functions/variables static ... Fix up conflicts in net/core/dev.c, drivers/net/pcmcia/smc91c92_cs.c and drivers/net/wireless/ath/ath9k/debug.c as per David
Diffstat (limited to 'Documentation/networking/ip-sysctl.txt')
-rw-r--r--Documentation/networking/ip-sysctl.txt27
1 files changed, 22 insertions, 5 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index f350c69b2bb4..c7165f4cb792 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -1014,6 +1014,12 @@ conf/interface/*:
accept_ra - BOOLEAN
Accept Router Advertisements; autoconfigure using them.
+ Possible values are:
+ 0 Do not accept Router Advertisements.
+ 1 Accept Router Advertisements if forwarding is disabled.
+ 2 Overrule forwarding behaviour. Accept Router Advertisements
+ even if forwarding is enabled.
+
Functional default: enabled if local forwarding is disabled.
disabled if local forwarding is enabled.
@@ -1075,7 +1081,12 @@ forwarding - BOOLEAN
Note: It is recommended to have the same setting on all
interfaces; mixed router/host scenarios are rather uncommon.
- FALSE:
+ Possible values are:
+ 0 Forwarding disabled
+ 1 Forwarding enabled
+ 2 Forwarding enabled (Hybrid Mode)
+
+ FALSE (0):
By default, Host behaviour is assumed. This means:
@@ -1085,18 +1096,24 @@ forwarding - BOOLEAN
Advertisements (and do autoconfiguration).
4. If accept_redirects is TRUE (default), accept Redirects.
- TRUE:
+ TRUE (1):
If local forwarding is enabled, Router behaviour is assumed.
This means exactly the reverse from the above:
1. IsRouter flag is set in Neighbour Advertisements.
2. Router Solicitations are not sent.
- 3. Router Advertisements are ignored.
+ 3. Router Advertisements are ignored unless accept_ra is 2.
4. Redirects are ignored.
- Default: FALSE if global forwarding is disabled (default),
- otherwise TRUE.
+ TRUE (2):
+
+ Hybrid mode. Same behaviour as TRUE, except for:
+
+ 2. Router Solicitations are being sent when necessary.
+
+ Default: 0 (disabled) if global forwarding is disabled (default),
+ otherwise 1 (enabled).
hop_limit - INTEGER
Default Hop Limit to set.