[dev] vtysh wrong command log - where does it go?

Donald Sharp sharpd at cumulusnetworks.com
Wed Aug 21 09:56:02 EDT 2019

I have typically been able to see the failed commands in journalctl
since systemd should log the startup scripts output.

On Wed, Aug 21, 2019 at 9:49 AM Quentin Young
<qlyoung at cumulusnetworks.com> wrote:
> Run "vtysh -b" after FRR is started and you should see the incorrect commands, vtysh will warn about them. This is what is done to apply frr.conf on startup.
> FRR doesn't log incorrect commands by default right now since that would add noise to the log file if you make normal mistakes while in an interactive session. I agree it would be helpful if we logged config issues at startup.
> Quentin
> On Wed, Aug 21, 2019, 9:08 AM Michal Ruprich <michalruprich at gmail.com> wrote:
>> Hi,
>> so when I am using the vtysh and typing in commands manually, when I
>> enter a wrong or non-existing command, I receive an error: '%Unknown
>> command: COMMAND'. But how do I find out that some of the commands from
>> my frr.conf file were wrong? I tried both 'log file' and 'log stdout'
>> together with 'log commands'. With 'log file' and 'log commands' when I
>> start frr, I can see the commands that were read from the frr.conf, but
>> when there is a wrong command, no error shows up. Is this correct? The
>> command is simply skipped.
>> Now with 'log stdout' I am really not sure where the output gets
>> redirected. In vtysh I don't see any logs showing up on the screen.
>> Maybe I am missing something here? Do I miss some configuration
>> somewhere to redirect the stdout somewhere? I was kind of assuming I
>> would see the logs in the vtysh itself - sort of how on Cisco devices.
>> If anyone could share some insight on this, I would be grateful. Thanks.
>> Michal Ruprich
>> _______________________________________________
>> dev mailing list
>> dev at lists.frrouting.org
>> https://lists.frrouting.org/listinfo/dev
> _______________________________________________
> dev mailing list
> dev at lists.frrouting.org
> https://lists.frrouting.org/listinfo/dev

More information about the dev mailing list