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authorAmos Waterland <apw@us.ibm.com>2007-12-14 11:30:22 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2007-12-14 13:54:40 -0800
commitf33e1d9fa20381afa3be7e7f560c59845bfa5cec (patch)
tree4de2973e4f53cc8d10da205810e757ad0b998a40 /Documentation/nfsroot.txt
parentf58adb757be48068e2bded3dd77ba072c22a10ff (diff)
downloadop-kernel-dev-f33e1d9fa20381afa3be7e7f560c59845bfa5cec.zip
op-kernel-dev-f33e1d9fa20381afa3be7e7f560c59845bfa5cec.tar.gz
[IPV4]: Updates to nfsroot documentation
The difference between ip=off and ip=::::::off has been a cause of much confusion. Document how each behaves, and do not contradict ourselves by saying that "off" is the default when in fact "any" is the default and is descibed as being so lower in the file. Signed-off-by: Amos Waterland <apw@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/nfsroot.txt')
-rw-r--r--Documentation/nfsroot.txt12
1 files changed, 9 insertions, 3 deletions
diff --git a/Documentation/nfsroot.txt b/Documentation/nfsroot.txt
index 16a7cae..9b956a9 100644
--- a/Documentation/nfsroot.txt
+++ b/Documentation/nfsroot.txt
@@ -92,8 +92,14 @@ ip=<client-ip>:<server-ip>:<gw-ip>:<netmask>:<hostname>:<device>:<autoconf>
autoconfiguration.
The <autoconf> parameter can appear alone as the value to the `ip'
- parameter (without all the ':' characters before) in which case auto-
- configuration is used.
+ parameter (without all the ':' characters before). If the value is
+ "ip=off" or "ip=none", no autoconfiguration will take place, otherwise
+ autoconfiguration will take place. The most common way to use this
+ is "ip=dhcp".
+
+ Note that "ip=off" is not the same thing as "ip=::::::off", because in
+ the latter autoconfiguration will take place if any of DHCP, BOOTP or RARP
+ are compiled in the kernel.
<client-ip> IP address of the client.
@@ -142,7 +148,7 @@ ip=<client-ip>:<server-ip>:<gw-ip>:<netmask>:<hostname>:<device>:<autoconf>
into the kernel will be used, regardless of the value of
this option.
- off or none: don't use autoconfiguration (default)
+ off or none: don't use autoconfiguration
on or any: use any protocol available in the kernel
dhcp: use DHCP
bootp: use BOOTP
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