In message , The Natural Philosopher
 writes
>On 10/05/2019 15:20, Adrian wrote:
>> I've used
>> route delete default gw 192.168.1.1 eth0
>> route add default gw 192.168.1.254 eth0
>>  to reset the default gateway, but in each case, overnight the
>>default has reset itself back to 192.168.1.1  None of the PIs have
>>been rebooted.  I'm not convinced that this is a coincidence, but my
>>WIN7 PC also reset the default gateway mid evening (whilst I was using
>>it),  again to 192.168.1.1.
>>  Any suggestions on how I can persuade my PIs to stick to the proper
>>GW ?
>
>Have a feeling default routes are set elsewhere these days
>
>Lemme see in Mi Pi...
>
>Ah yes. Imn /etc/dhcpcd.conf
>
>there will be a line saying
>
>static routers=192.168.1.254 or whatever.
>
>Make sure it is.
>
>Pis tend to use dhcp and te easy way to static them is to frig with
>dhcp - but these Pis might hacve decided to 'renew their leases'
>
>And also make sure that the router* isnt advertising a bad gateway
>
>*or some other dhcp master on the LAN
>
>
>
>

Thanks.

This is rather odd.  The two PIs that are behaving don't have a
/etc/dhcpcd.conf file at all.  The other four have one, but the relevant
entries were commented out.

It will be interesting to see if things behave now.

Adrian
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