无法 ping Oracle 虚拟机主机到来宾

Question

我在主机 (nn1) 上的 Oracle Vbox 中安装了 3 个来宾服务器。（来宾服务器 Dn1、Dn2 和 Dn3）主机是 nn1。

我可以从这些来宾 ping nn1，但无法从主机 nn1 ping 来宾。当我尝试对来自 Host.Please 的来宾发出低于错误的 ping 请求时，让我知道提前与来自 host.Thanks 的来宾建立联系的解决方案。

 [root@nn1 ~]# ping Dn1
    PING Dn1 (10.88.12.5) 56(84) bytes of data.
    From 10.88.12.0 icmp_seq=1 Destination Host Unreachable  
    From 10.88.12.0 icmp_seq=2 Destination Host Unreachable
    From 10.88.12.0 icmp_seq=3 Destination Host Unreachable
    From 10.88.12.0 icmp_seq=5 Destination Host Unreachable
    From 10.88.12.0 icmp_seq=6 Destination Host Unreachable
    From 10.88.12.0 icmp_seq=7 Destination Host Unreachable
    From 10.88.12.0 icmp_seq=9 Destination Host Unreachable
    From 10.88.12.0 icmp_seq=10 Destination Host Unreachable
    From 10.88.12.0 icmp_seq=11 Destination Host Unreachable
    From 10.88.12.0 icmp_seq=13 Destination Host Unreachable
    From 10.88.12.0 icmp_seq=14 Destination Host Unreachable


    [root@nn1 ~]# ping Dn2
    PING Dn2 (10.88.13.5) 56(84) bytes of data.
    From 10.88.12.0 icmp_seq=1 Destination Host Unreachable
    From 10.88.12.0 icmp_seq=2 Destination Host Unreachable
    From 10.88.12.0 icmp_seq=3 Destination Host Unreachable
    From 10.88.12.0 icmp_seq=5 Destination Host Unreachable
    From 10.88.12.0 icmp_seq=6 Destination Host Unreachable
    From 10.88.12.0 icmp_seq=7 Destination Host Unreachable
    From 10.88.12.0 icmp_seq=10 Destination Host Unreachable
    From 10.88.12.0 icmp_seq=11 Destination Host Unreachable
    From 10.88.12.0 icmp_seq=13 Destination Host Unreachable
    From 10.88.12.0 icmp_seq=14 Destination Host Unreachable
    From 10.88.12.0 icmp_seq=15 Destination Host Unreachable

   [root@nn1 ~]# ping Dn3
    PING Dn3 (10.88.14.5) 56(84) bytes of data.
    From 10.88.12.0 icmp_seq=2 Destination Host Unreachable
    From 10.88.12.0 icmp_seq=3 Destination Host Unreachable
    From 10.88.12.0 icmp_seq=4 Destination Host Unreachable
    From 10.88.12.0 icmp_seq=5 Destination Host Unreachable
    From 10.88.12.0 icmp_seq=6 Destination Host Unreachable
    From 10.88.12.0 icmp_seq=7 Destination Host Unreachable
    From 10.88.12.0 icmp_seq=9 Destination Host Unreachable
    From 10.88.12.0 icmp_seq=10 Destination Host Unreachable
    From 10.88.12.0 icmp_seq=11 Destination Host Unreachable

Answer 1

问题是路由定义重复。

删除 vboxnet0 以删除路由和 NIC，这样数据包就不会 "trapped"。

无法 ping Oracle 虚拟机主机到来宾

Unable to ping Oracle virtual box Host to Guest

vmware

virtualbox

virtual-machine

vmware-workstation