Specify source interface for ping- Fortinet

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Yesterday I was doing some troubleshooting and testing on an SD-WAN implementation and found that the ping command in Fortios is a little different than others. I did a packet capture and so no packets flowing on WAN2 and I wanted to check if the connection was up. So I went to the CLI!

From the CLI Console execute the following command to check the current settings.

execute ping-options view

This displays the current interface. Per the example below, it has “Auto” as the Source Address.

Ping Options:

    Repeat Count: 5

    Data Size: 56

    Timeout: 2

    Interval: 1

    TTL: 64

    TOS: 0

    DF bit: unset

    Source Address: auto

    Pattern:

    Pattern Size in Bytes: 0

    Validate Reply: no

In my scenario, I needed to send a ping out of the WAN2 interface, where 2.2.2.2 is the IP address. The command below sets the IP of WAN2 as the source.

execute ping-options source 2.2.2.2

After that the final step is to ping your destination.

exec ping 8.8.8.8

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