[ixpmanager] Error generating graphs and deleting interface

[Barry O'Donovan (INEX)]

Hi Mauricio,

hope you're well.

Mauricio Oviedo via ixpmanager wrote on 30/04/2024 05:20:
>  1. I can’t delet the old 3x10G interfaces, I get the error: 500 |
>     Server Error :: Undefined index: HTTP_REFERER

Can you open a GitHub issue on this and include the full stack trace in 
the issue or via https://pastebin.ibn.ie so we can diagnose the issue?

>  2. I’m receiving the following error after adding a new switch to IXP
>     Manager, when running the update-mrtg script, and therefore no
>     ghaphs on the new interface:
> 
> In Grapher.php line 76:
> 
>    Argument 1 passed to 
> IXP\Services\Grapher\Renderer\Extensions\Grapher::escapeCommunityForMrtg() 
> must be of the type string, null given, called in 
> /srv/ixpmanager/resources/views/services/grapher/mrtg/target.foil.php on 
> line 27

Sounds like you have not set an SNMP community in the switch 
configuration on IXP Manager.

  - Barry