When i want to active nat using iptable on eth0:0 (aliasing) "error appear"

# /sbin/iptables -A POSTROUTING -j MASQUERADE -t nat -s 192.168.0.0/24 -o eth0:0
Warning: wierd character in interface `eth0:0' (No aliases, :, ! or *).

Are IP ALIASES supported by iptables?

regards

HTB