[atlas] [mat-wg] RIPE Atlas testing of reserved IPv4 addresses

On 2021/02/17 17:56 , Randy Bush wrote:
>> I just did a small experiment with the probe firmware. Allowing
>> 240.0.0.0/4 and 0.0.0.0/8 is a two line change. I tested this on V3
>> and V4 probes and on CentOS 7. In all 3 cases, the linux kernel does
>> support 240.0.0.0/4 and does not support 0.0.0.0/8.
> 
> so, what experiment(s) do you think would be useful once some capable
> probes deploy?

Traceroute seems to be the only measurement that makes sense. I noticed 
that my first hop router sends an error ICMP, but I don't get anything 
beyond that.

>> We are not going to releasing new firmware for V1 and V2 (except to
>> address security issues).
> 
> i can not get to my v1 probes during covid lockdown even if you shipped
> replacements to me :(  < snif >

Yes, it is amazing that corona doesn't seem to have much in the number 
of probes that are connected.

> will you upgrade soft probes?  or send instructions?

For a binary install of the CentOS RPM it should be automatic. For 
debian based, it is a matter of compiling a new .deb and upgrading 
(manually).

Philip