We’ve gigabit networks, and large maximum transmission units (MTU) sizes (JumboFrames) can provide better network performance for our HPC environment. How do I change MTU size under Linux?
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FAQ tagged as:
/etc/sysconfig/network-scripts/ifcfg-eth0
Q. How do I add multiple IPv6 address to eth0 under Red Hat / Fedora / RHEL / CentOS Linux for virtual hosting?
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Q. My Ethernet aliases are randomly switched and they are bound to the wrong interface. My eth0 became eth1 and eth1 become eth0. This is causing all sort of trouble for services and firewall configurations. How do I swap back and make sure Ethernet aliases works correctly under CentOS Linux server?
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Q. How do I setup my Red Hat / CentOS / Fedora Linux system to get IP address and other information via a DHCP server for eth0 interface?
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Q. My DHCP server configured to assign static IPs to few Debian / Ubuntu Linux boxes using hostnames. My Windows 2000 and XP client computer sends hostname automatically. How do I send my hostname under Linux using dhcp client?
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Q. How do I set the routing metric on my network device under Fedora / RHEL / Red Hat / CentOS Linux server / workstation operating system?
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