NO buffer space available

[Baasanjargal_Ts]

Hello,

We can't ping to hosts from CP gateway. Error is "No buffer space available". How to troubleshoot it.

[G_W_Albrecht]

If you search for this is web you will find much discussion in Linux forums - this is reported as a driver / NIC issue:

Chances are it's a problem with the driver or the hardware itself. It can be temporarily fixed by ta...

[JozkoMrkvicka]

Did you get your issue resolved meanwhile?

These errors are most probably related to the fact, that the gateway is overloaded and ARP table is full.

Please have a look on this article to confirm this.

[Baasanjargal_Ts]

Thank you @JozkoMrkvicka.

Problem solved after reboot the appliance.