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Ok..here is what happened; since I was stomped and had NO clue as to what caused this problem (but alas; thought the Zyxel and vlans was to blame) I decided to plug the Linux-IoT directly into the LocB-XGFW (P6) and "hardcoded" the port 6 to 192.168.4.70 and thereby bypassing the Zyxel alltogether. ....and it worked (or so…
@Mijzelf and @Zyxel_Chris - please do not use any more time trying to figure this out. It is now working! I will be posting back with my findings, what I can say is that there was NO problem with the Zyxel-switch. Ie; its now working without me doing any changes to it. More details soon.
@Zyxel_Chris and @Mijzelf - thanks for your replies. The "LocB-LinuxIoT" has been tried in MANY ports, it is right now in P33 (I just used a "cable-toner-finder" just to make sure I am using the right cable and got this confirmed). The "LocB-XGFW" is in P1. The uplink to WAN is located in the "LocB-XGFW". Edit: Other…
The main problem is that 172.16.0.6 (LocA-WinSrv) is unable to communicate with 192.168.4.70 (LocB-LinuxIoT). As you can see the LocA-WinSrv is unable to ping any device in VID 1 except the SophosAP (192.168.4.101) - but I suspect that the SophosFW routes it directly somehow (since I know theres "special communication"…
Wow...thank you for the detailed reply. The "LocB-LinuxIoT" should NOT be vlan'ed. It is programmed to use 192.168.4.70. I've been trying to put the device into many of the ports that seems to be setup to be VID=1 ports, but none of them seems to be working. Could it be that there is some sort of "mismatch" in the setup…
Yes that would explain the problems we're seeing, but the thing is that the *only* way to change the IP-settings on this device is to use a RS232 and manually set it with some special hardware & software. This was done summer 2020 and it has been working fine up until spring/summer 2021 when someone changed the Zyxel…
Thank you for your reply and sorry for the confusion. The ones marked green = ping OK, the ones marked red = timeout, the ones marked grey = it is not possible to do a ping *from* this device (ie the LinuxIoT thing has no interface or telnet...or any other way to control it) Edit: So all devices can ping "LocB-LinuxIoT"…