我有一台安装了Vagrant的Mac OS。在虚拟机上，我安装了Ubuntu 12。因此，我想做的是从主机ping虚拟机。
虚拟机连接了NAT（根据VirtualBox设置）
我只在虚拟机上找到了一个接口（除了lo）。
事实是主机上的10.0.2.*网络中没有IP地址。主机有几个vboxnet接口，但它们都没有任何IP地址。
虚拟机连接了NAT（根据VirtualBox设置）
我只在虚拟机上找到了一个接口（除了lo）。
eth0 Link encap:Ethernet HWaddr 08:00:27:88:0c:a6
inet addr:10.0.2.15 Bcast:10.0.2.255 Mask:255.255.255.0
inet6 addr: fe80::a00:27ff:fe88:ca6/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:581 errors:0 dropped:0 overruns:0 frame:0
TX packets:410 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:61376 (61.3 KB) TX bytes:51599 (51.5 KB)
事实是主机上的10.0.2.*网络中没有IP地址。主机有几个vboxnet接口，但它们都没有任何IP地址。
vboxnet0: flags=8842<BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
ether 0a:00:27:00:00:00
vboxnet1: flags=8842<BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
ether 0a:00:27:00:00:01
vboxnet2: flags=8842<BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
ether 0a:00:27:00:00:02
vboxnet3: flags=8842<BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
ether 0a:00:27:00:00:03
您有没有想过为什么VirtualBox没有将IP地址分配给主机？我该怎么做才能ping通虚拟机？
这是我的vagrant文件（我删除了一些不需要的注释行）：
# -*- mode: ruby -*-
# vi: set ft=ruby :
# Vagrantfile API/syntax version. Don't touch unless you know what you're doing!
VAGRANTFILE_API_VERSION = "2"
Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
# All Vagrant configuration is done here. The most common configuration
# options are documented and commented below. For a complete reference,
# please see the online documentation at vagrantup.com.
# Every Vagrant virtual environment requires a box to build off of.
config.vm.box = "hashicorp/precise64"
# The url from where the 'config.vm.box' box will be fetched if it
# doesn't already exist on the user's system.
# config.vm.box_url = "http://domain.com/path/to/above.box"
# Create a forwarded port mapping which allows access to a specific port
# within the machine from a port on the host machine. In the example below,
# accessing "localhost:8080" will access port 80 on the guest machine.
config.vm.network "forwarded_port", guest: 80, host: 8080
config.vm.network "forwarded_port", guest: 3306, host: 8086
config.vm.network "forwarded_port", guest: 27017, host: 27017
config.vm.synced_folder "/Users/KoulSlou/Documents/Cloudware12.10", "/vagrant", owner: "www-data", group: "www-data"
config.vm.synced_folder "/Users/KoulSlou/Documents/Cloudware/public","/cloudware", owner: "www-data", group: "www-data"
# Create a private network, which allows host-only access to the machine
# using a specific IP.
#config.vm.network "private_network", ip: "192.168.1.2"
# Create a public network, which generally matched to bridged network.
# Bridged networks make the machine appear as another physical device on
# your network.
# config.vm.network "public_network"
# If true, then any SSH connections made will enable agent forwarding.
# Default value: false
# config.ssh.forward_agent = true
...
end