now everytime i time i try to ifdown either eth2 or eth3 devices i get an error "ifdown: interface eth2 not configured" if ifup this error: "RTNETLINK answers: File exists# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
#allow-hotplug eth0
#iface eth1 inet dhcp
auto eth1
iface eth1 inet static
address 192.168.1.180
netmask 255.255.255.0
gateway 192.168.1.1
broadcast 192.168.1.255
auto eth2
iface eth2 inet static
address 192.168.1.181
netmask 255.255.255.0
gateway 192.168.1.1
broadcast 192.168.1.255
auto eth3
iface eth3 inet static
address 192.168.1.182
netmask 255.255.255.0
gateway 192.168.1.1
broadcast 192.168.1.255
Failed to bring up eth2." and if i restart networking i get this error:
to help here is a list of my NIC's:Running /etc/init.d/networking restart is deprecated because it may not re-enable some interfaces ..[ (warning).
[....] Reconfiguring network interfaces...RTNETLINK answers: File exists
Failed to bring up eth2.
RTNETLINK answers: File exists
Failed to bring up eth3.
so what am i doing wrong? so that i can use the traditional method on configuring my Ethernet devices and not network-managersudo lspci |grep Ethernet
07:05.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM5706 Gigabit Ethernet (rev 02)
08:04.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM5706 Gigabit Ethernet (rev 02)
09:01.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8110SC/8169SC Gigabit Ethernet (rev 10)