Cloned from https://bugzilla.redhat.com/show_bug.cgi?id=1124385
Description of problem:
When creating a default PXE menu, there is a missing option "ipappend 2"

Version-Release number of selected component (if applicable):

How reproducible:
100%

Steps to Reproduce:
1. Click "Build PXE default"
2. Examine /var/lib/tftpboot/pxelinux.cfg/default
3. Note the missing "ipappend 2"

Actual results:
ipappend 2 is missing

Expected results:
ipappend is there

Additional info:
--- PXELinux_default.erb.old 2014-07-29 10:15:00.486191538 +0000

+++ PXELinux_default.erb 2014-07-29 10:15:09.430191532 +0000

@ -23,6 +23,7 @

<% case profile[:hostgroup].operatingsystem.pxe_type -%>

<% when 'kickstart' -%>

append initrd=<%= profile[:hostgroup].operatingsystem.initrd(profile[:hostgroup].architecture) > ks=<= default_template_url(profile[:template], profile[:hostgroup]) %> ksdevice=bootif network kssendmac

+ ipappend 2

<% when 'preseed' -%>

append initrd=<%= profile[:hostgroup].operatingsystem.initrd(profile[:hostgroup].architecture) > interface=auto url=<= default_template_url(profile[:template], profile[:hostgroup]) %> ramdisk_size=10800 root=/dev/rd/0 rw auto hostname=unassigned-hostname locale=en_US console-setup/ask_detect=false console-setup/layout=USA console-setup/variant=USA

<% end -%>