![]() Iâve inspected the default MTU values: ip link on the Linux client showed 1500 (pretty standard to my experience) ip link on the NanoStation showed 1500 for LAN and 2268 for WiFi (that is okay for 802. Setting the MTU to 1200 by chance removed the symptoms. Link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00Ä¢: enp3s0: mtu 1500 qdisc mq state UP group default qlen 1000 After some poking around in the dark I found this is probably MTU related. My network setting while using the switch: ip aÄ¡: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 ce0: flags1100843 mtu 1500.Pc's and HMI's IP can be set automatically or manually. Hi, I am struggling setting up a NIM master to serve hosts on a network that is. PLC doesn't receive an IP from the DHCP server on Ubuntu it needs to be 10.0.0.9. Retry the PING command using larger values for the l parameter until you either reach 1500 bytes or the command fails with the error: Packet needs to be fragmented but DF set. My question is, can we neglect the router and use these 2 Ethernet ports to connect to plc from HMI and PC? I tried bridging but this solution doesn't seem to solve my problem. But when we want to connect to our PLC, we need a router to handle all internet communication. ![]() Adjusting the routerâs MTU is the best solution because it avoids the need to adjust individual devices. This way you can adjust your router to the same settings. The HMI program we created with Java communicates with a PLC via using one of these Ethernet ports. Correcting a MTU issue: The First step in correcting a possible MTU issue is to contact your ISP (Internet service provider). This computer has 2 Ethernet ports.Ä«ecause of licensing problems, we need to use Ubuntu. I am working on a project that uses a computer with a touch screen. Slow Web browsing and/or the inability to see some Web pages may be caused by the Maximum Transfer Unit (MTU) setting of RASPPPoE.
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