V2EX dhcp

DHCP

释义 Definition

DHCPDynamic Host Configuration Protocol(动态主机配置协议) 的缩写,用于在局域网中自动为设备分配网络参数(如 IP 地址、子网掩码、默认网关、DNS 服务器 等),并以“租约(lease)”形式在一定时间内有效。常见于家庭/企业路由器与公司网络的自动联网配置。

发音 Pronunciation (IPA)

/di et si pi/

例句 Examples

The router uses DHCP to assign an IP address to your phone.
路由器使用 DHCP 给你的手机分配一个 IP 地址。

If DHCP fails, you may need to set a static IP address and check the DNS settings manually.
如果 DHCP 失败,你可能需要设置静态 IP 地址,并手动检查 DNS 设置。

词源 Etymology

DHCP 是技术领域常见的首字母缩略词:由 Dynamic(动态的)+ Host(主机)+ Configuration(配置)+ Protocol(协议)构成。它在 1990 年代作为对更早的 BOOTP(Bootstrap Protocol) 的扩展与替代而普及,使网络配置从“手动填写”转向“自动下发”。

相关词 Related Words

文献与作品 Literary / Notable Works

  • RFC 2131 Dynamic Host Configuration Protocol(DHCP 的核心规范文档)
  • RFC 2132 DHCP Options and BOOTP Vendor Extensions(DHCP 选项字段与扩展)
  • Computer Networking: A Top-Down Approach(常见网络教材,讲解 DHCP 在应用层/网络配置中的作用)
  • TCP/IP Illustrated, Volume 1(经典 TCP/IP 书籍,涉及 DHCP 与相关协议栈行为)
  • Network Warrior(网络工程实践类书籍,常提及 DHCP 配置与排障)
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