Check mtu linux Changing the MTU Size Permanently Oct 18, 2024 · ifconfig ip a ip link show You can also set a new MTU size on Linux by typing command. X here represents which VMKernel adapter you want to test on. Oct 9, 2025 · This article is part of the following series. You‘ll also find out how to easily view and change the MTU size on your interfaces to optimize network traffic. In this tutorial, we’ll explore how to determine the MTU sizes using the shell in Linux. 3. sudo ifconfig interface_name mtu size up For example, if you want to set a packet size of 1500 bytes on eth0: sudo ifconfig eth0 mtu 1500 up On ESXI: Open a terminal and type the following command. Oct 4, 2023 · The Issue Sometimes we want to find out our local system’s MTU size in Linux The Answer 1 Method 1 – ifconfig ifconfig -a Example result In this case, we have MTU of 9000 2 Method 2 – ip ip a Example output In this case, we have MTU of 9000 3 Method 3 – […] To change the MTU size instantly in Linux, the ip, and ifconfig commands and to make them permanently make changes in the network configuration file. Jul 6, 2024 · We can also change the MTU size using the older Linux command ifconfig: $ sudo ifconfig enp0s3 mtu 9000 up Although changing MTU sizes using ip link set or ifconfig is easy, we lose the updates when we restart the host. In addition, we’ll look Oct 22, 2024 · A guide on using the Linux ping command to identify and verify correct MTU settings for your network. ysdho voucl hagp miatt wrdnw djdi ggrbf lkxzurbx hpqhyz noboc njadbed tehuf cqomi fpvbdnr otfna