2025年ip地址测试用例（ipv4地址测试用例）

大家好，我是讯享网，很高兴认识大家。

FIB（fowarding information base）转发信息库

通过display fib命令显示信息为

表2-1 display fib命令显示信息表

 <strong>内容简介：</strong>IPv6

讯享网

讯享网 <div> </div> <p style="MARGIN: 0cm 0cm 0pt;"><font color="#000000"><span lang="EN-US"><font face="Times New Roman">NE80E</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">通过命令</span><span lang="EN-US"><font face="Times New Roman">display ip routing-table verbose</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">能看到</span><span lang="EN-US"><font face="Times New Roman">NextHop</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">、</span><span lang="EN-US"><font face="Times New Roman">RelyNextHop</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">，他们的区别是什么？</span><span lang="EN-US"><font face="Times New Roman">display ip routing-table verbose</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">命令显示如下：</span></font></p> <p style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><font color="#000000" face="Times New Roman">&nbsp;</font></span></p> <p style="MARGIN: 0cm 0cm 0pt; mso-outline-level: 1;"><span lang="EN-US"><font color="#000000" face="Times New Roman">Destination: 0.0.0.0/0</font></span></p> <p style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><font face="Times New Roman"><font color="#000000"><span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp; </span>Protocol: BGP<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>Process ID: 0</font></font></span></p> <p style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><font face="Times New Roman"><font color="#000000"><span style="mso-spacerun: yes;">&nbsp;&nbsp; </span>Preference: 100<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>Cost: 0</font></font></span></p> <p style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><font face="Times New Roman"><font color="#000000"><span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>NextHop: 202.97.32.243<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp; </span>Interface: Pos2/0/0</font></font></span></p> <p style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><font face="Times New Roman"><font color="#000000"><span style="mso-spacerun: yes;">&nbsp; </span>RelyNextHop: 222.83.17.5<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>Neighbour: 202.97.32.243</font></font></span></p> <p style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><font face="Times New Roman"><font color="#000000"><span style="mso-spacerun: yes;">&nbsp;</span><span style="mso-spacerun: yes;">&nbsp;&nbsp; </span>Tunnel ID: 0x0<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>Label: NULL<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></font></font></span></p> <p style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><font face="Times New Roman"><font color="#000000"><span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>State: Active Adv Derived<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp; </span>Age: 00h44m09s</font></font></span></p> <p style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><font face="Times New Roman"><font color="#000000"><span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>Tag: 0<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></font></font></span></p> <p style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><font color="#000000" face="Times New Roman">&nbsp;</font></span></p> <p style="MARGIN: 0cm 0cm 0pt;"><font color="#000000"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">其中</span><span lang="EN-US"><font face="Times New Roman">NextHop</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">表示路由表项的下一跳，</span><span lang="EN-US"><font face="Times New Roman">RelyNextHop</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">表示</span><span lang="EN-US"><font face="Times New Roman">fib</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">表实际转发的下一跳！</span></font></p> <p style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><font color="#000000" face="Times New Roman">&nbsp;</font></span></p> <p style="margin: 0cm 0cm 0pt;"><font color="#000000"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">首先路由表和</span><span lang="EN-US"><font face="Times New Roman">FIB</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">是不同实体，作用也不一样。路由是上层协议来用的，</span><span lang="EN-US"><font face="Times New Roman">Display ip routing</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">显示的是协议添加路由时设置的下一跳，在路由表中称之为原始下一跳，这个下一跳不一定直接可达。而</span><span lang="EN-US"><font face="Times New Roman">FIB</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">是用于指导转发的，它的下一跳必须是直接可达。路由管理模块通过对路由的原始下一跳进行迭代找到这个直接下一跳，并将其设置到</span><span lang="EN-US"><font face="Times New Roman">FIB</font></span><span style="font-family: 宋体;">当中来指导转发。</span></font></p>

2025年ip地址测试用例（ipv4地址测试用例）

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