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Description of problem:
There is missing init script for ipv6 version of dhcrelay daemon. I dont really understand why it is missing, because:
- there are two different init scripts for main dhcpd daemon - for both ipv4 and ipv6 version (similarly there should be two init files for relay agent)
- I did not found any mention how to run ipv6 dhcrelay on RHEL's out of the box (without modifying any system files).
- I have found several ways how to overcome this missing init script, but all information are unofficial and may miss something important. 

Version-Release number of selected component (if applicable):
dhcp-4.1.1-38.P1.el6

The question is, why such init script is missing? Because in case that we wanted to run ipv6 version of dhcrelay, we need to do it completely ourselves. How we suppose to do that by RedHat way?

thank you

I'd use the DHCRELAYARGS variable in /etc/sysconfig/dhcrelay
for example DHCRELAYARGS="-6 -l eth0 -u eth1" and start dhcrelay service.

But yes, you're right, it'd probably be better to ship also dhcrelay6 init script and /etc/sysconfig/dhcrelay6

(In reply to Jiri Popelka from comment #2)
> I'd use the DHCRELAYARGS variable in /etc/sysconfig/dhcrelay
> for example DHCRELAYARGS="-6 -l eth0 -u eth1" and start dhcrelay service.
> 
not sure how will this work if you wanted to run dhcrelay for both IP stacks, (like in my case). this is only in case that you wanted to use ipv6 dhcrelay exclusively, right?

(In reply to Michal Bruncko from comment #3)
> this is only in case that you wanted to use ipv6
> dhcrelay exclusively, right?

yes

cvs-commit http://bulk-mail.corp.redhat.com/archives/cvs-commits-list/2014-April/msg01427.html

With dhcp-4.1.1-43.P1.el6.src.rpm both dhcrelay6 init script and /etc/sysconfig/dhcprelay6 files exist. Moving to VERIFIED.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHBA-2014-1406.html