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authorShawn Routhier <sar@isc.org>2016-04-04 19:30:00 -0700
committerShawn Routhier <sar@isc.org>2016-04-04 19:30:00 -0700
commit90a2c0dfd3680b5f3a396cc2342a002966500ace (patch)
treedf66aac6549de39e35457a60239b60434f488f99
parent670599acae001cdf23bb0a4247c2500f0c7f70a5 (diff)
downloadisc-dhcp-90a2c0dfd3680b5f3a396cc2342a002966500ace.tar.gz
[master] Add descritpion of prepending universe name to environment names
-rw-r--r--client/dhclient-script.88
1 files changed, 5 insertions, 3 deletions
diff --git a/client/dhclient-script.8 b/client/dhclient-script.8
index dec772a8..e1b498b5 100644
--- a/client/dhclient-script.8
+++ b/client/dhclient-script.8
@@ -122,11 +122,13 @@ passed in $interface. The media type is passed in $medium. Any
options acquired from the server are passed using the option name
described in \fBdhcp-options\fR, except that dashes (\'-\') are replaced
by underscores (\'_\') in order to make valid shell variables, and the
-variable names start with new_. So for example, the new subnet mask
-would be passed in $new_subnet_mask. The options that the client
+variable names start with new_. So for example, the new subnet mask
+would be passed in $new_subnet_mask. Options from a non-default
+universe will have the universe name prepended to the option name for
+example $new_dhcp6_server_id. The options that the client
explicitly requested via a PRL or ORO option are passed with the same
option name as above but prepended with requested_ and with a value of 1,
-or example requested_subnet_mask=1. No such variable is defined for
+for example requested_subnet_mask=1. No such variable is defined for
options not requested by the client or options that don't require a
request option, such as the ip address (*_ip_address) or expiration
time (*_expiry).