Problem Description: Do a double NIC binding, found that only a network card function, only bond0 open mode, the ETH is not open, unplug the EHT3 network will be disconnected, the problem is due to colleagues to do a double NIC binding configuration error after restarting the machine.
Cause: After restarting the host bond0 information is logged to the following file, normally there will be no bond0 information, so review and comment after the restart, problem resolution.
[email protected] network-scripts]# cat/etc/udev/rules.d/70-persistent-net.rules
The correct one does not write to this file:
# PCI Device 0x14e4:0x1657 (TG3) (custom name provided by external tool) subsystem== "NET", action== "Add", drivers== "? *", attr{address}== "28:80:23:9b:0a:e7", attr{type}== "1", kernel== " eth* ", name=" Bond0 "
Comment to the line, and then restart it.
This article is from the "Guardian" blog, please be sure to keep this source http://shouhouzhe.blog.51cto.com/2351955/1705160
After the dual NIC is bonded, Bond is the ETH3 NIC information