DICK85: chybi ti nastavena vychozi brana. Zjisti si, jakou IP adresu ma vychozi brana ve vasi siti, pokud mas centos 6 jak rikas tak poedituj /etc/sysconfig/network-scripts/ifcfg-eth0 a nastav spravne GATEWAY, melo by to vypadat nejak takto:
DEVICE=eth0
BOOTPROTO=static
HWADDR=00:0A:E4:84:EC:17
IPADDR=93.92.51.229
NETMASK=255.255.255.248
GATEWAY=93.92.51.225
ONBOOT=yes
V tomto pripade je vychozi brana 93.92.51.225
Uloz to a restartuj sit (service network restart)
a melo by to fungovat (overis vypisem 'ip route', musi tam byt radek 'default via [ip vychozi brany] dev eth0')