Forum Discussion

Doran_Lum's avatar
Doran_Lum
Icon for Nimbostratus rankNimbostratus
Oct 06, 2019

How to send test F5 traffic from SNAT

We have some servers on this VLAN which seem unable to receive any traffic from F5. On firewall, we don't see any traffic deny or dropped. When we issue ping of telnet test from F5 CLI, we can see su...
application delivery
BIG-IP
LTM
Dario_Garrido's avatar
Dario_Garrido
Icon for Noctilucent rankNoctilucent
Oct 06, 2019

Hello Doran.

Try this ->

# ping <destination> -I <SNAT_IP>

KR,

Dario.

Doran_Lum's avatar
Doran_Lum
Icon for Nimbostratus rankNimbostratus
Oct 07, 2019

Thank you, but i get "bind: Cannot assign requested address"

  • Enes_Afsin_Al's avatar
    Enes_Afsin_Al
    Icon for MVP rankMVP
    Oct 07, 2019

    Hi Doran,

    ping -I <snat-ip> <destination>
curl --interface <snat-ip> <destination>
  • Doran_Lum's avatar
    Doran_Lum
    Icon for Nimbostratus rankNimbostratus
    Oct 07, 2019

    Error for ping -I:

    bind: Cannot assign requested address

     

     

    Error for curl:

    curl: (45) bind failed with errno 99: Cannot assign requested address

     

    I get this error as above when using Curl but based on F5 KB below, it doesn't make sense to put SNAT IP into Management IP

    https://support.f5.com/csp/article/K14260