In a virtual network: Successfull ping to the 8.8.8.8 but no dns resolving

bilel.kaabarbilel.kaabar Registered Users Posts: 1 ■□□□□□□□□□
in Virtualization
I've deployed a Cisco router, a Fortigate (firewall of Fortinet) and a windows xp (all virtual machines)... I've well configured my network.. I can ping 8.8.8.8 from all devices... but when i try to ping Google it only succeeds from the cisco router... Neither windows or fortigate ping the google.com eventhough i've configured the dns server(8.8.8.icon_cool.gif and they are able to ping it. Btw, when i use the fortigate as router (shutdown cisco router), everythg goes ok... So it looks like the cisco router is blocking the dns packets or sthg like that... I couldn't find the solution to my problem in any link or forum... Would s.one plz help...
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Comments

  • vasyvasyvasyvasy Member Posts: 68 ■■■□□□□□□□
    Hi and welcome
    Seems to me that you are on top of this problem, and dns packets aren't allowed (or more, even if ICMP works)
    How about restoring Cisco router with no firewall configured on this.
    Can you post the config file for the router?
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  • Kinet1cKinet1c Member Posts: 604 ■■■■□□□□□□
    A couple of things I'd check:

    port 53 allowed/disallowed
    What device is actually managing your DNS
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