[CentOS] Help with IPv6 /48 block

Gordon Messmer
Sun, 11 Jan 2015 02:57:00 -0000

On 01/10/2015 12:56 PM, F. Mendez wrote:
> Currently we have a /26 range of IPv4. So we have eth0:1...eth0:59

Interface aliases are deprecated, IIRC.  An interface can have multiple
addresses in V4 or V6 managed with the "ip" tool rather than
"ifconfig."

> We need that same with IPv6 since we have a /48 and we need to have all
> IPv6s available for usage.

If you need additional IPs for HTTPS virtual hosts or something like
that, it looks like you can use IPV6ADDR_SECONDARIES in the ifcfg file.