Monday, April 8, 2013

Issues with ip6tables

Whilst troubleshooting a VM hanging issue with a EXSi 5.0 guest running CentOS 5, i noticed a strange error after my last kernel update.


It had me a bit confused, as I distinctly recall disabling all IPv6 support while building the machine.

Anyhow, since I don't need IPv6 support at the moment and to avoid any unnecessary red flags while booting, I'll just go ahead and disable it completely.

0. Login as root / su

1. Check to see if it loads on boot.
chkconfig --list | grep ip6tables

//in my instance, it was enabled for levels 2,3,4 and 5;

2. Disable ip6tables
chkconfig ip6tables off

3. Stop ip6tables service (if running)
service ip6tables status (if process is runnig, stop; if not, ignore next line)
service ip6tables stop

That's it!


It may or may not help my VM hanging issue, but at least it'd clear that pesky red flag.

Cheers,
noveck

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