Explain public and private IP addressingCompleted 100 XP 2 minutes Devices and hosts that connect directly to the Internet require a public IPv4 address. However, hosts and devices that do not connect directly to the Internet do not require a public IPv4 address....
与Public IP一样,Private IP称为私网IP或心跳IP,它也是网卡上的真实IP,每个节点在安装Oracle集群软件之前都需要事先配置Private IP。Private IP用于集群间多节点心跳同步和Cache Fusion等任务,在Oracle 12c中还需要担任Flex ASM的任务。当然,如果不设置Private IP而是由Public IP也可以去完成这些任务。但是,这样做只...
VIP和PUBLIC IP最主要的不同之处在于:VIP是浮动的,而PUBLIC IP是固定的。在所有节点都正常运行时,每个节点的VIP会被分配到public NIC上;在linux下ifconfig查看,public网卡上是2个IP地址;如果一个节点宕机,这个节点的VIP会被转移到还在运行的节点上。也就是幸存的节点的public NIC这个网卡上,会有3个IP地址。 VIP...
The private network IP ranges and public network VIPs in different regions are as follows: Regions Private IP Network Ranges (consistent across all regions) Public Network VIPs Scheduled Upgrade Time Post-upgrade Public Network VIPs Guangzhou 9.0.0.0/8,10.0.0.0/8,100.64.0.0/10,11.0.0.0/8,30.0....
若采用PuTTY工具登录CLI界面,此时请单击“Save private key”,将生成的私钥文件保存到本地,如图1-12所示。 图1-12 私钥生成界面 若采用其他工具登录CLI界面,此时请单击“Conversions > Export OpenSSH key”,将生成的私钥文件保存到本地,如图1-13所示。 图1-13 生成私钥文件 超级管理员修改本地用户的登录鉴权方...
若采用PuTTY工具登录CLI界面,此时请单击“Save private key”,将生成的私钥文件保存到本地,如图1-12所示。 图1-12 私钥生成界面 若采用其他工具登录CLI界面,此时请单击“Conversions > Export OpenSSH key”,将生成的私钥文件保存到本地,如图1-13所示。 图1-13 生成私钥文件 超级管理员修改本地用户的登录鉴权方...
You choose the private IP addresses that the Internet Assigned Numbers Authority (IANA) reserves based on your network requirements:10.0.0.0/8 172.16.0.0/12 192.168.0.0/16A subnet is a range of IP address within the virtual network. You can divide a virtual network into multiple subn...
记录使用以下的代码获取Azure VM中的IP地址 """Create and manage virtual machines. This script expects that the following environment vars are set: AZURE_TENANT_ID: your Azure Active Directory tenant id or domain AZURE_CLIENT_ID: your Azure Active Directory Application Client ID ...
IP addresses can be categorized as private and public addresses. Private IP addresses cannot be reached via the Internet, whereas public IP addresses can. For instance, most home networks have a router. This router will have a public IP address that is accessible through the Internet. Devices ...
Private IPv4 addresses The pool of IPv4 addresses is becoming smaller, so IANA is reluctant to allocate superfluous IPv4 addresses. Technologies such as network address translation (NAT) enable administrators to use a relatively small number of public IPv4 addresses, and at the same time, ...