
P寻址 IP Address Cisco.com 深圳职业技术学院计算机系网络专业 006,Shenzhen Polytechnic.All rights reserved
© 2006, Shenzhen Polytechnic. All rights reserved. 1 IP寻址 IP Address 深圳职业技术学院计算机系网络专业

教学目标(Objectives ) Cisco.com 1.IP地址概念(Concept of IP Address) 2.IP地址分类(Class of IP Address) 3.保留和私有地址(Reserved and Private IP Address) 4.网络掩码和子网划分(Network Mask and Subnetting 5.可变长度子网掩码(VLSM) 6.汇总和ClDR(Summarization and CIDR) 0.ShenzhenPolytechnic.Allrightsreserved
© 2006, Shenzhen Polytechnic. All rights reserved. . 2 教学目标( Objectives ) 1. IP地址概念( Concept of IP Address ) 2. IP地址分类 (Class of IP Address) 3. 保留和私有地址( Reserved and Private IP Address) 4. 网络掩码和子网划分(Network Mask and Subnetting ) 5. 可变长度子网掩码( VLSM ) 6. 汇总和CIDR( Summarization and CIDR)

IP地址(IP Address) wwcmm Cisco.com P地址唯一的标识网络上计算机,P地址就是由0 和1组成的32位字符串。 Each computer in a TCP/IP network must be given a unique identifier,or IP address. An IP address is a 32-bit sequence of 1s and 0s. 2006,Shenzhen Polytechnic.Allrights reserved
© 2006, Shenzhen Polytechnic. All rights reserved. . 3 IP地址(IP Address) IP地址唯一的标识网络上计算机,IP地址就是由0 和1组成的32位字符串。 Each computer in a TCP/IP network must be given a unique identifier, or IP address. An IP address is a 32-bit sequence of 1s and 0s

IP地址表示(Representation of IP Address) mm Cisco.com 1100000 192 168 123 为了容易使用,采用点分十进制格式来表示P地址 To make the IP address easier to use,the address is usually written as four decimal numbers separated by periods
© 2006, Shenzhen Polytechnic. All rights reserved. . 4 IP地址表示(Representation of IP Address) 为了容易使用,采用点分十进制格式来表示IP地址 To make the IP address easier to use, the address is usually written as four decimal numbers separated by periods 192 . 168 . 123 . 2

IP地址结构(Structure of IP Address) 厦 Cisco.com 网络地址 主机地址 1001011 01001010 11oo11o1 01101111 Network Address Host Address 06.ShenzhenPolytechnic.Allrightsreserved
© 2006, Shenzhen Polytechnic. All rights reserved. . 5 IP地址结构(Structure of IP Address)

IP地址的类别(Class of IP Address.) d Cisco.com 01234 16 24 Class A 0 网络地址 主机地址 Class B 10 网络地址 主机地址 Class C 网络地址 主机地址 Class D 主机地址 Class E 阿 主机地址 2006,Shenzhen Polytechnic.Allrights reserved
© 2006, Shenzhen Polytechnic. All rights reserved. . 6 IP地址的类别(Class of IP Address)

A类地址(Class A) AIIIIIIEE Cisco.com 网络地址 主机地址 0 前导位(High Order Bits) 地址范围:1~126(127保留) Address Range:1-126(127 Reserved) 006,ShenzhonPolytechnic.All rights reservod
© 2006, Shenzhen Polytechnic. All rights reserved. . 7 A类地址(Class A) 地址范围:1~126(127保留) Address Range:1-126(127 Reserved)

B类地址(Class B) d Cisco.com 网络地址 主机地址 0 前导位(i融 Order Bits) 地址范围:128~191 Address Range:128-191 0.Shenzhen Polytechnic.Allrightsreserved
© 2006, Shenzhen Polytechnic. All rights reserved. . 8 B类地址(Class B) 地址范围: 128~191 Address Range:128-191

C类地址(C1assC) wwwww Cisco.com 网络地址 主机地址 10 前导位(High Order Bits) 地址范围:192~223 Address Range:192-223 2006,Shenzhen Polytechnic.Allrights reserved
© 2006, Shenzhen Polytechnic. All rights reserved. . 9 C类地址(Class C) 地址范围: 192~223 Address Range:192-223

地址分配(Address A1 locating). Cisco.com 分配A类IP:国际网络信息中心NIC 分配B类IP:InterNIC、APNIC、ENIC 分配C类IP:国家或地区的NIC
© 2006, Shenzhen Polytechnic. All rights reserved. . 10 地址分配(Address Allocating) 分配A类IP:国际网络信息中心NIC 分配B类IP:InterNIC、APNIC、ENIC 分配C类IP:国家或地区的NIC