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.