How to add new network alias in Debian:
1] cd /etc/network 2] vi interfaces 3] add the appropriate entries. Here is a sample to add eth1:10 and eth1:11 auto eth1:10 iface eth1:10 inet static address 57.228.44.97 netmask 255.255.255.240 auto eth1:11 iface eth1:11 inet static address 57.228.44.98 netmask 255.255.255.240 4] restart: /etc/init.d/networking restart