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Yawei_131024's avatar
Yawei_131024
Icon for Nimbostratus rankNimbostratus
Jul 25, 2013

NAT problem

Hi experts,

 

 

I have a NAT problem, but I don't know how to debug it.

 

In my lab, I use F5 to connect computer and F5 ping each device is successful.

 

 

external labtop ---------- F5 BIG-IP ------------ internal server

 

(192.168.20.100) (external 192.168.20.254) （internal 172.16.1.254） (172.16.1.1)

 

 

I create NAT to translate address. NAT address is 192.168.20.1 and origin address is 172.16.1.1. I find a strange problem when I test it:

 

labtop ping 192.168.20.1 is successful, but internal server ping 192.168.20.100 is failed.

 

 

Thanks

 

config
design

3 Replies

  • nitass's avatar
    nitass
    Icon for Employee rankEmployee
    Jul 25, 2013
    labtop ping 192.168.20.1 is successful, but internal server ping 192.168.20.100 is failed.have you checked personal firewall on external laptop?
  • Yawei_131024's avatar
    Yawei_131024
    Icon for Nimbostratus rankNimbostratus
    Jul 28, 2013
    firewall is off in the laptop. So I think that is not a ping problem.

     

     

    F5 have not a NAT table like Cisco? Trouble this issue is difficult.

     

     

    Thanks