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  • December 27, 2017 at 7:07 pm #5397
    Bjorn Roesbeke
    Participant

    Assuming you’re in the same subnet:
    You could start by looking up if IP 192.168.1.105 matches your unit and is still an active lease, pointing to the correct device:
    The MAC address shouldn’t be different from your device.
    arp -a
    or try
    arping 192.168.1.105

    Then try to reach the webinterface with a webbrowser on port 80, you could try to probe it with nmap; the port should be in an open state.
    nmap -p T:80 192.168.1.105

    If it doesn’t work, try the usual power cycle.

    The device needs access to uradmonitor.com, data.uradmonitor.com and 8.8.8.8 but if the webinterface is inaccessible locally, then the unit probably won’t be sending data either.

    December 27, 2017 at 7:23 pm #5399
    Kiwirad
    Participant

    Thank you, the 8.8.8.8 is the problem. I have a static route to divert this to make US Netflix work.
    I’ll set up a new rule.

    Thank you again!

    December 28, 2017 at 12:06 am #5405
    Kiwirad
    Participant

    Hi Again, hmm no luck. I think my unit is corrupt.

    I can ping the unit, nmap -p T:80 shows the unit is open for http service (tcp) on port 80, I have all the 8.8.8.8 traffic unblocked
    But the unit wont respond to a local browser,

    December 28, 2017 at 8:52 am #5406
    Bjorn Roesbeke
    Participant

    Try, try and try again.
    – another browser (elinks perhaps)
    – another computer
    – separate router/DHCP server combo
    – See if the interface activity LED is blinking
    – HUB + Wireshark

    Does your router accept static IPs in the active DHCP pool?
    I don’t think the uradmonitor unit is defective.

    December 28, 2017 at 7:12 pm #5437
    Radu
    Keymaster

    Neither do I , if port 80 is open this shows the firmware is working (the TCP/IP stack is fairly complex by itself).

    December 29, 2017 at 7:50 pm #5445
    Kiwirad
    Participant

    Hi again

    I’ve done a packet capture on my router, I can see it connecting to 8.8.8.8 and to http://data.uradmonitor.com. I’m not network expert, but I do see a HTTP: HTTP/1.1 400 Bad Request in there.

    Can ping, and see port 80 is open and active but there is no browser response. Tried a few different browsers and also externally (using a port forward).
    Next I need to find another network to plug into to see if that is the issue (e.g with my EdgeRouter x)

    Time Packet
    19:44:05.329263 IP 192.168.1.1.67 > 192.168.1.105.68: BOOTP/DHCP, Reply, length 300
    19:44:05.334620 IP 192.168.1.1.67 > 192.168.1.105.68: BOOTP/DHCP, Reply, length 300
    19:44:05.337690 ARP, Request who-has 192.168.1.1 tell 192.168.1.105, length 46
    19:44:05.337762 ARP, Reply 192.168.1.1 is-at f0:9f:c2:0c:ad:a2, length 28
    19:44:05.339640 IP 192.168.1.105.57345 > 8.8.8.8.53: 6657+ A? data.uradmonitor.com. (38)
    19:44:05.554022 IP 8.8.8.8.53 > 192.168.1.105.57345: 6657 1/0/0 A 45.79.179.145 (54)
    19:44:10.559757 ARP, Request who-has 192.168.1.105 tell 192.168.1.1, length 28
    19:44:10.561907 ARP, Reply 192.168.1.105 is-at 02:00:11:00:00:07, length 46
    19:44:57.047705 IP 118.149.186.92.4947 > 192.168.1.105.80: Flags [S], seq 3167851305, win 4380, options [mss 1460,nop,wscale 3,nop,nop,TS val 2748266183 ecr 0,sackOK,eol], length 0
    19:44:57.047846 IP 118.149.186.92.4946 > 192.168.1.105.80: Flags [S], seq 275012374, win 4380, options [mss 1460,nop,wscale 3,nop,nop,TS val 2748266183 ecr 0,sackOK,eol], length 0
    19:44:57.049142 IP 192.168.1.105.80 > 118.149.186.92.4947: Flags [S.], seq 4096, ack 3167851306, win 2560, options [mss 1280], length 0
    19:44:57.050218 IP 192.168.1.105.80 > 118.149.186.92.4946: Flags [S.], seq 4864, ack 275012375, win 2560, options [mss 1280], length 0
    19:44:57.076489 IP 118.149.186.92.4946 > 192.168.1.105.80: Flags [.], ack 1, win 4380, length 0
    19:44:57.076544 IP 118.149.186.92.4947 > 192.168.1.105.80: Flags [.], ack 1, win 4380, length 0
    19:44:57.076595 IP 118.149.186.92.4946 > 192.168.1.105.80: Flags [P.], seq 1:429, ack 1, win 4380, length 428: HTTP: GET / HTTP/1.1
    19:44:57.175559 IP 192.168.1.105.2850 > 45.79.179.145.80: Flags [S], seq 5632, win 768, options [mss 750], length 0
    19:44:57.415060 IP 45.79.179.145.80 > 192.168.1.105.2850: Flags [S.], seq 3003330188, ack 5633, win 29200, options [mss 1460], length 0
    19:44:57.418295 IP 192.168.1.105.2850 > 45.79.179.145.80: Flags [.], ack 1, win 1024, length 0
    19:44:57.420358 IP 192.168.1.105.2850 > 45.79.179.145.80: Flags [P.], seq 1:172, ack 1, win 1024, length 171: HTTP: GET http://data.uradmonitor.com/upload/0.1/upload.php?id=11000007&p=82&ts=60&inv=379&ind=441&s1t=21.69&cpm=15 HTTP/1.1
    19:44:57.644423 IP 45.79.179.145.80 > 192.168.1.105.2850: Flags [.], ack 172, win 30208, length 0
    19:44:57.645180 IP 45.79.179.145.80 > 192.168.1.105.2850: Flags [P.], seq 1:399, ack 172, win 30208, length 398: HTTP: HTTP/1.1 400 Bad Request
    19:44:57.645243 IP 45.79.179.145.80 > 192.168.1.105.2850: Flags [F.], seq 399, ack 172, win 30208, length 0
    19:44:57.649476 IP 192.168.1.105.2850 > 45.79.179.145.80: Flags [.], ack 399, win 1024, length 0
    19:44:57.650474 IP 192.168.1.105.2850 > 45.79.179.145.80: Flags [F.], seq 172, ack 400, win 1024, length 0
    19:44:57.877332 IP 45.79.179.145.80 > 192.168.1.105.2850: Flags [.], ack 173, win 30208, length 0
    19:44:58.076354 IP 118.149.186.92.4946 > 192.168.1.105.80: Flags [P.], seq 1:429, ack 1, win 4380, length 428: HTTP: GET / HTTP/1.1
    19:45:00.076644 IP 118.149.186.92.4946 > 192.168.1.105.80: Flags [P.], seq 1:429, ack 1, win 4380, length 428: HTTP: GET / HTTP/1.1
    19:45:02.047757 ARP, Request who-has 192.168.1.105 tell 192.168.1.1, length 28
    19:45:02.050287 ARP, Reply 192.168.1.105 is-at 02:00:11:00:00:07, length 46
    19:45:04.076352 IP 118.149.186.92.4946 > 192.168.1.105.80: Flags [P.], seq 1:429, ack 1, win 4380, length 428: HTTP: GET / HTTP/1.1
    19:45:12.076159 IP 118.149.186.92.4946 > 192.168.1.105.80: Flags [P.], seq 1:429, ack 1, win 4380, length 428: HTTP: GET / HTTP/1.1

    December 30, 2017 at 1:32 pm #5447
    Radu
    Keymaster

    Would you like to upgrade the firmware? This will probably improve things. It’s easy: https://www.uradmonitor.com/firmware-upgrade-guide/

    December 30, 2017 at 6:41 pm #5451
    Kiwirad
    Participant

    OK, I’ve ordered the board from eBay. Will show up in a few week and will confirm progress. Thank you, I hadn’t noticed this firmware upgrade page before

    December 31, 2017 at 4:35 pm #5458
    Radu
    Keymaster

    Sounds good, let me know when you get the usbAsp , I will assist you further.

    January 20, 2018 at 7:51 pm #5492
    Kiwirad
    Participant

    Hi there, the usbAsp arrived. If you could please help me with the latest firmware I could trying upgrading and see if the unit comes back online!

    January 20, 2018 at 8:09 pm #5493
    Radu
    Keymaster

    Hi, I just sent it via email. Please make sure your usbAsp is set to 3.3V! This is important, or you risk damaging the model A board.

    July 1, 2018 at 10:00 am #5893
    Kiwirad
    Participant

    Hi all

    I’m still having trouble with my unit. Hope you can help

    The unit looks offline form the URad site, with some intermittent data.

    If I arp -a the IP address doesn’t show
    However, if I web browser to 192.168.1.105 I get the internal webpage up (see below), after the webpage comes up arp -a starts showing the IP address.
    then after a few minutes arp -a stops showing the IP

    thoughts?

    uRADMonitor 11000007
    type:1 hw:107 sw:130 SBM20
    radiation:0CPM
    temperature:9.25C

    inverter:380V 71%
    uptime:22s wdt:21s/240s

    ip:192.168.1.105
    server:45.79.179.145
    interval:60 http:0 0/0

    July 1, 2018 at 2:46 pm #5894
    Bjorn Roesbeke
    Participant

    The device has an IP address and is able to resolve the IP of the server but it’s showing HTTP status code 0, which isn’t a valid one.
    Either a firewall is blocking the requests or there’s an IP conflict or a rogue DHCP that’s providing a bad gateway IP.
    You could try adding a static entry to the ARP table but then we’re getting ourselves in some other mess.
    Do you happen to be using a (misconfigured) powerline adapter? Multiple routers in the network?

    If the following returns more than one result, then you’ve most likely found your cause.
    nmap --script broadcast-dhcp-discover

    I may of course be wrong.

    July 1, 2018 at 5:23 pm #5895
    Radu
    Keymaster

    I agree with Bjorn, the http status code should be 200 . Without that, the watchdog will keep on rebooting your unit.
    The next two numbers show the successful packets sent per the total packets sent.

    July 4, 2018 at 9:01 am #5896
    Kiwirad
    Participant

    Thanks guys. I’ve confirmed the uRad can access 8.8.8.8 and there are no firewall rules on my router.

    Can I confirm what ports are used by the device?
    I’m wondering if there is a port forward I have for other devices that is getting in the way.

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