Can not ping 127.0.0.1 from local host.

[John Goetz]

Can not ping 127.0.0.1 (loopback) from local host. I am able to telnet to server and ping gateway and other hosts from server.
Netstat -rn not showing
Destination Gateway Flags 127.0.0.1 127.0.0.1 UH

[Elmar P. Kolkman · Accepted solution]

What does 'ifconfig lo0' tell you about the status of the loopback interface?

[Robert-Jan Goossens]

Hi,

Could you check your hosts file.

# grep localhost /etc/hosts
127.0.0.1 localhost loopback

Regards,
Robert-Jan

[John Goetz]

# ifconfig lo0
lo0: flags=849
inet 127.0.0.1 netmask ff000000
root @ cgoacvd2 [/etc]
# grep localhost /etc/hosts
127.0.0.1 localhost loopback
root @ cgoacvd2 [/etc]
#

[Clemens van Everdingen]

Hi,

Can you tell us how your /etc/nsswitch.conf is configure for the hosts

I think it should be hosts files,dns

Clemens

[Elmar P. Kolkman]

Your machine is not by any chance configured as firewall?

What happens if you add the route for your loopback back into the routing table? (because without it, it won't use the loopback interface but the default route).