Thursday, 25th April 2024
Comment posted How to configure bond0 bonding and network bridging for KVM Virtual machines on Redhat / CentOS / Fedora Linux by .
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Tags: boot time, BOOTPROTO, cat, configure, default gateway, DEFROUTE, Device, hosts, How to, IPADDRN, network interface, network scripts, none, ONBOOT, prefix, Redhat Linux, server, sysconfig, systemctl, UUID
This entry was posted on Thursday, April 25th, 2024 at 12:59 pm and is filed under Linux, Networking, System Administration, Virtual Machines. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.
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One useful command related is to have a list of all ethernet cards and dump them to a file for later use.
The simplest way to do it:
# list only ethernets and macs
ip link | awk '{print $2}'
Another important thing I forgot to mention in article it is good to define HWADDR to each and every eth{0,1,2,3} etc. configuration
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]# ethtool -m eth3
View CommentView CommentIdentifier : 0x03 (SFP)
Extended identifier : 0x04 (GBIC/SFP defined by 2-wire interface ID)
Connector : 0x00 (unknown or unspecified)
Transceiver codes : 0x00 0x00 0x00 0x08 0x00 0x00 0x00 0x00 0x00
Transceiver type : Ethernet: 1000BASE-T
Encoding : 0x01 (8B/10B)
BR, Nominal : 1200MBd
Rate identifier : 0x00 (unspecified)
Length (SMF,km) : 0km
Length (SMF) : 0m
Length (50um) : 0m
Length (62.5um) : 0m
Length (Copper) : 100m
Length (OM3) : 0m
Laser wavelength : 0nm
Vendor name : OEM
Vendor OUI : 00:90:65
Vendor PN : GLC-T10/100/1000
Vendor rev : A
Option values : 0x00 0x10
Option : TX_DISABLE implemented
BR margin, max : 0%
BR margin, min : 0%
Vendor SN : S2CODFTR0800047
Date code : 191029
Optical diagnostics support : No