Q. How to fix ICMP Host Unreachable from gateway localhost (127.0.0.1)

A. People who are getting this kind of message in the server is b’cos your routing table is not set
to fix this issue follow the steps.

# ifconfig eri0 down
# ifconfig eri0 unplumb
# ifconfig eri0 plumb
# ifconfig eri0 192.168.0.12 netmask 255.255.255.0 broadcast 192.168.0.255
# ifconfig eri0 up
# /etc/init.d/inetinit start
# /etc/init.d/inetsvc start
# ping 192.168.0.1