virtualbox centos 여러개 사용 네트워크 설정 오류

IT/Linux 2020. 12. 8. 10:59 Posted by Imtraveller

virtualbox centos 여러개 사용 네트워크 설정 오류

아래의 메세지가 발생하는 경우

Device eth0 does not seem to be present, delaying initialization

1. ifconfig 시 아래만 보이고 eth0가 보이지 않음

lo Link encap:Local Loopback

inet addr:127.0.0.1 Mask:255.0.0.0

inet6 addr: ::1/128 Scope:Host

UP LOOPBACK RUNNING MTU:65536 Metric:1

RX packets:0 errors:0 dropped:0 overruns:0 frame:0

TX packets:0 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:0

RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)

2. vi /etc/sysconfig/network-scripts/ifcfg-eth0 실행

DEVICE=eth0

HWADDR=08:00:27:98:85:73

TYPE=Ethernet

UUID=fc47d656-0548-46aa-b325-64e32bacd29c

ONBOOT=no => yes로 변경

NM_CONTROLLED=yes

BOOTPROTO=dhcp

3. vi /etc/udev/rules.d/70-persistent-net.rules

# PCI device 0x8086:0x100e (e1000)

SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="08:00:27:2b:ab:57", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0" => "eth11"

# PCI device 0x8086:0x100e (e1000)

SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="08:00:27:98:85:73", ATTR{type}=="1", KERNEL=="eth*", NAME="eth1" => "eth0"

4. vi etc/sysconfig/network-scripts/ifcfg-eth0

DEVICE=eth0

HWADDR=08:00:27:98:85:73 => 08:00:27:98:85:73로 변경(/etc/udev/rules.d/70-persistent-net.rules에서 신규로 eth0로 선택한놈의 address를 그대로 입력)

TYPE=Ethernet

UUID=fc47d656-0548-46aa-b325-64e32bacd29c

ONBOOT=yes

NM_CONTROLLED=yes

BOOTPROTO=dhcp

5. centos 종료

6. 설정에서 네트워크를 선택하여 아래와 같이 설정

7. 재시작

ifconfig 하면 eth0가 살아남을 확인

eth0 Link encap:Ethernet HWaddr 08:00:27:98:85:73

inet addr:10.0.4.15 Bcast:10.0.4.255 Mask:255.255.255.0

inet6 addr: fe80::a00:27ff:fe98:8573/64 Scope:Link

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

RX packets:447 errors:0 dropped:0 overruns:0 frame:0

TX packets:259 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:1000

RX bytes:44086 (43.0 KiB) TX bytes:41278 (40.3 KiB)