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ping 8.8.8.8 connect：网络不可达？

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ping 8.8.8.8 connect：网络不可达？

当我ping 8.8.8.8说：connect: Network is unreachable

$vi /etc/resolv/.conf

nameserver 8.8.8.8
nameserver 192.168.0.5

$vi /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

source /etc/network/interfaces.d/*

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
allow-hotplug eth1
iface eth1 inet dhcp

auth eth1
iface eth1 inet static
address 192.168.56.101
netmask 255.255.255.o

$ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
    link/ether 08:00:27:ac:81:49 brd ff:ff:ff:ff:ff:ff
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 08:00:27:63:e1:93 brd ff:ff:ff:ff:ff:ff
    inet 192.168.56.101/24 brd 192.168.56.255 scope global eth1
       valid_lft forever preferred_lft forever
    inet6 fe80::a00:27ff:fe63:e193/64 scope link
       valid_lft forever preferred_lft forever

答案1

从您的地址来看192.168.56.*，您正在 VirtualBox 映像中运行，并且您想知道为什么当您的主机有连接时映像却没有连接。

您可能已将第一个 eth0 接口设置为“NAT”或“桥接”，并将其连接到主机的以太网接口。如果您通过 wifi 上网，但桥接/NAT 配置为使用以太网卡，则您将无法连接网络；反之亦然。

更改虚拟机的网络接口以使用正确的主机接口。

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