how to setup multi ip address on one network card for Linux /MAC MACBOOK

When you test the Cassandra clustering on a Single laptop. It requires several IP addresses to build one cluster. here is the how to setup one Linux and matchbook.

• Linux.

  setup 127.0.0.5 and 127.0.0.100 to Loopback interface

  androiddemo:/home/demouser# ifconfig lo:5 127.0.0.5 netmask 255.0.0.0 up androiddemo:/home/demouser# ping 127.0.0.5 PING 127.0.0.5 (127.0.0.5) 56(84) bytes of data. 64 bytes from 127.0.0.5: icmp_seq=1 ttl=64 time=0.040 ms 64 bytes from 127.0.0.5: icmp_seq=2 ttl=64 time=0.025 ms ^C --- 127.0.0.5 ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 999ms rtt min/avg/max/mdev = 0.025/0.032/0.040/0.009 ms androiddemo:/home/demouser# ifconfig lo:100 127.0.0.100 netmask 255.0.0.0 up androiddemo:/home/demouser# ping 127.0.0.100 PING 127.0.0.100 (127.0.0.100) 56(84) bytes of data. 64 bytes from 127.0.0.100: icmp_seq=1 ttl=64 time=0.031 ms ^C

• Macbook

  setup 127.0.0.2 and 127.0.0.3 to loopback interface

  DemoMacbook-MacBook:~ androidyou$ sudo ifconfig lo0 lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384     inet 127.0.0.1 netmask 0xff000000     inet6 ::1 prefixlen 128     inet6 fe80::1%lo0 prefixlen 64 scopeid 0x1 DemoMacbook-MacBook:~ androidyou$ sudo ifconfig lo0 alias 127.0.0.2 DemoMacbook-MacBook:~ androidyou$ sudo ifconfig lo0 alias 127.0.0.3 DemoMacbook-MacBook:~ androidyou$ sudo ifconfig lo0 lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384     inet 127.0.0.1 netmask 0xff000000     inet6 ::1 prefixlen 128     inet6 fe80::1%lo0 prefixlen 64 scopeid 0x1     inet 127.0.0.2 netmask 0xff000000     inet 127.0.0.3 netmask 0xff000000 DemoMacbook-MacBook:~ androidyou$ ping 127.0.0.3 PING 127.0.0.3 (127.0.0.3): 56 data bytes 64 bytes from 127.0.0.3: icmp_seq=0 ttl=64 time=0.040 ms 64 bytes from 127.0.0.3: icmp_seq=1 ttl=64 time=0.047 ms

 

Hope it helps