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# 1  
Configuring static ip address on several systems

p { margin-bottom: 0.1in; line-height: 120%; }a:link { } Hello,
I'm have an interesting issue with some Raspberry Pi's which I have on my home network.
The pi's are on,,
Something very strange is happening on my network. The pi on is appearing as, this is in the range of devices assigned via DHCP. Then, once I noticed it appearing twice, as and Then after refreshing the netgear console, the pi appears again as only
Then one time after refreshing the netgear console, no devices appear, not even my DHCP assigned ones.
The pi on .103 is appearing (when it appears at all as .16.
Then when refreshing, I see the pi on appearing correctly, while the .104 pi appears still at .13
Then sometimes, the .104 and the .103 pi's appear correctly, but only for a moment as I view them on netgear console. Then sometimes they disappear, sometimes they resolve back to the .104 address and only the .103 pi disappears.
Then the pi on started appearing on and on
In short, the addresses are all over the place.
When I ping them I also get non-conclusive results. They didn't ping on their proper addresses, then they pinged for a while on the .13 and .16 address. Then they started not pinging on those addresses at all.
A few days later, when I try again, the pi on pings on that address.
Today, when I tried again, they ping on
On, I get:
Request timeout for icmp_seq 0
 Request timeout for icmp_seq 1
 Request timeout for icmp_seq 2
 64 bytes from icmp_seq=3 ttl=64 time=92.383 ms
 64 bytes from icmp_seq=4 ttl=64 time=8.467 ms

I just don't understand what's going on

My /etc/network/interfaces (on the .104 address pi) is:

  source-directory /etc/network/interfaces.d
 auto lo
 iface lo inet loopback
 iface eth0 inet manual
 allow-hotplug wlan0
 iface wlan0 inet static
     wpa-ssid "hogwartschoolofmagic"
     wps-psk "xxxxxxxxxxxx"
     wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf
 allow-hotplug wlan1
 iface wlan1 inet manual
     wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf

/etc/wpa-supplicant.conf is

  ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev

The other pi's are configures in a similar way only the addresss and computer names change.

I don't really know who to ask for help. Is this a netgear router issue? Is it a Linux issue? Is it a Raspberry Pi issue?

If someone could shed some light on my problem, I would be grateful.


Moderator's Comments:
Mod Comment Please use code tags as required by forum rules!
Configuring static ip address on several systems-screen-shot-2016-06-16-75322-pmpng
Configuring static ip address on several systems-screen-shot-2016-06-16-75412-pmpng
Configuring static ip address on several systems-screen-shot-2016-06-16-75455-pmpng
Configuring static ip address on several systems-screen-shot-2016-06-16-75554-pmpng
Configuring static ip address on several systems-screen-shot-2016-06-16-75647-pmpng

Last edited by JoeOnaMac; 07-06-2016 at 09:15 AM.. Reason: Tried hard to add some code tags.
# 2  

Try to set the static IPs for your Raspberry Pi devices and see if that help.
And if you're using static IPs like I can see above you need to make sure that used IPs are not overlapping with your router DHCP range!

When you configure your RPi to use static your router can lease the same IP to another client and you'll have the IP conflict.

Did you check them for possible MAC address duplication by the way? It can cause packet loss and DHCP leases mess.
# 3  
Thanks, I'll take a look at that. But right now, new devices get added around -ish.
I'm no where near the 100's range.

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