Rh7.2能ping网关,ping不通网站?

Rh7.2能ping网关,ping不通网站?

eth0
ip 218.104.68.30
netmask 255.255.255.128
gateway 218.104.68.1


DNS 202.102.192.68
      
都是用域名PING的还是用IP PING的?      
网关上做了防火墙?      
DNS?      
网关上没做防火墙。      
dns没设好!

/etc/nsswitch.conf
/etc/resolv.conf