Network interfaces

[nlarose]

Hi all

Why i can't start network if my first interface em1 is down? We install new card X710 10G but if the em1 interface is down, cannot restart network service.
# lspci |grep -i net
01:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5720 Gigabit Ethernet PCIe em1
01:00.1 Ethernet controller: Broadcom Corporation NetXtreme BCM5720 Gigabit Ethernet PCIe em2
02:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5720 Gigabit Ethernet PCIe em3
02:00.1 Ethernet controller: Broadcom Corporation NetXtreme BCM5720 Gigabit Ethernet PCIe em4
05:00.0 Ethernet controller: Intel Corporation Ethernet Controller X710 for 10GbE SFP+ (rev 01) p5p1
05:00.1 Ethernet controller: Intel Corporation Ethernet Controller X710 for 10GbE SFP+ (rev 01) p5p2

# systemctl status network
● network.service - LSB: Bring up/down networking
Loaded: loaded (/etc/rc.d/init.d/network)
Active: active (exited) since Thu 2016-09-15 14:34:28 EDT; 16min ago
Docs: man:systemd-sysv-generator(8)
Process: 3723 ExecStart=/etc/rc.d/init.d/network start (code=exited, status=0/SUCCESS)

# ifdown em1

# systemctl restart network

# systemctl status network
FAILED

# ifup em1

# systemctl status network
● network.service - LSB: Bring up/down networking
Loaded: loaded (/etc/rc.d/init.d/network)
Active: active (exited) since Fri 2016-09-16 08:49:41 EDT; 19min ago
Docs: man:systemd-sysv-generator(8)
Process: 3950 ExecStart=/etc/rc.d/init.d/network start (code=exited, status=0/SUCCESS)


Want p5p1 and p5p2 be first interface

help me please

[mashkoorqadir]

Here how I fixed this issue.

Start NetworkManager and select your card and first time configure it here. Now open the configuration file and place the line "NM_CONTROLLED=no" in configuration file save and exit now stop the NetworkManager and restart the network service all was good.