2022年HC路由学习笔记-静态路由复习进程 .pdf

《2022年HC路由学习笔记-静态路由复习进程 .pdf》由会员分享，可在线阅读，更多相关《2022年HC路由学习笔记-静态路由复习进程 .pdf（14页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、此文档来源于网络，如有侵权请联系网站删除只供学习交流用H3C 路由（MSR26-30）1、进入系统视图Startup configuration file does not exist.Performing automatic configuration.Press CTRL_D to break.-按 Ctrl+D 键终止设备查找自动配置Automatic configuration attempt:1.Not ready for automatic configuration:no interface available.Waiting for the next.Automatic con

2、figuration is aborted.-按 Ctrl+D 键后放弃自动配置的尝试Line aux0 is available.Press ENTER to get started.-到这里系统启动完毕，按回车键%Aug 22 09:19:53:318 2014 H3C SHELL/5/SHELL_LOGIN:TTY logged in from aux0.-再按一次回车键 system-view H3C 2、修改路由器名称sys H3Csysname 名称如将默认的路由器名称改为RoNetwork_Dept，Ro 表示设备类型为路由器，Network_Dept表示部门名称，以后看到这个名

3、称就知道这是什么设备、在什么位置。建议以后都采用这种方式来给设备命名，以方便管理。H3Csysname RoNetwork_Dept RoNetwork_Dept 如果要恢复默认名称，使用undo sysname 命令：RoNetwork_Deptundo sysname H3C 3、显示路由表（1）IPv4 显示路由表概要信息：RoNetwork_Deptdisplay ip routing-table 显示路由表详细信息：RoNetwork_Deptdisplay ip routing-table verbose 显示某种路由协议的信息：RoNetwork_Deptdisplay ip r

4、outing-table protocol bgp|direct|guard|isis|ospf|rip|static 还有其他信息，可使用？显示帮助以便选择：RoNetwork_Deptdisplay ip routing-table?（2）IPv6 只需将 IPv4 的命令中 ip 替换成 ipv6 即可。4、配置接口sys system-view H3Cint 接口名称名师资料总结-精品资料欢迎下载-名师精心整理-第 1 页，共 14 页 -此文档来源于网络，如有侵权请联系网站删除只供学习交流用如配置 G0/0 接口：RoNetwork_Deptint g0/0 RoNetwork_De

5、pt-GigabitEthernet0/0-进入接口配置视图配置 IP地址：RoNetwork_Dept-GigabitEthernet0/0ip add 12.0.0.1?-后面跟掩码长度也行，跟掩码也行INTEGER IP mask length X.X.X.X IP mask RoNetwork_Dept-GigabitEthernet0/0ip add 12.0.0.1 24-24表示掩码长度为24 位，和 255.255.255.0 等效RoNetwork_Dept-GigabitEthernet0/0undo shutdown-激活接口RoNetwork_Dept-GigabitE

6、thernet0/0dis int g0/0-查看接口信息5、信息回显及tracert 为了防止命令被系统输出的消息打断，可以配置信息回显：RoNetwork_Deptinfo-center synchronous 为防止 tracert 超时，链路两端的设备都要开启以下功能：RoNetwork_Dept ip redirects enable 开启设备的ICMP 重定向报文的发送功能RoNetwork_Dept ip ttl-expires enable 开启设备的ICMP 超时报文的发送功能RoNetwork_Dept ip unreachable enable 开启设备的ICMP 目的不

7、可达报文的发送功能6、配置静态路由拓扑图：RoNetwork_Dept 端：sys System View:return to User View with Ctrl+Z.H3Csys RoNetwork_Dept RoNetwork_Deptinfo sync Info-center synchronous output is on.RoNetwork_Deptint lo0 RoNetwork_Dept-LoopBack0ip add 192.168.1.1 24 RoNetwork_Dept-LoopBack0int g0/0 RoNetwork_Dept-GigabitEthernet

8、0/0ip add 12.0.0.1 24 RoNetwork_Dept-GigabitEthernet0/0undo sh RoNetwork_Dept-GigabitEthernet0/0ip route 192.168.2.2 255.255.255.255 12.0.0.2 RoNetwork_Dept%Aug 22 11:45:32:415 2014 RoNetwork_Dept IFNET/3/PHY_UPDOWN:Physical state on the interface GigabitEthernet0/0 changed to up.%Aug 22 11:45:32:41

9、6 2014 RoNetwork_Dept IFNET/5/LINK_UPDOWN:Line protocol state on the interface GigabitEthernet0/0 changed to up.-系统发出的消息，g0/0 接口已经up 了名师资料总结-精品资料欢迎下载-名师精心整理-第 2 页，共 14 页 -此文档来源于网络，如有侵权请联系网站删除只供学习交流用RoNetwork_Deptdis ip ro Destinations:17 Routes:17 Destination/Mask Proto Pre Cost NextHop Interface 0.

10、0.0.0/32 Direct 0 0 127.0.0.1 InLoop0 12.0.0.0/24 Direct 0 0 12.0.0.1 GE0/0 12.0.0.0/32 Direct 0 0 12.0.0.1 GE0/0 12.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0 12.0.0.255/32 Direct 0 0 12.0.0.1 GE0/0 127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0 127.0.0.0/32 Direct 0 0 127.0.0.1 InLoop0 127.0.0.1/32 Direct 0

11、0 127.0.0.1 InLoop0 127.255.255.255/32 Direct 0 0 127.0.0.1 InLoop0 192.168.1.0/24 Direct 0 0 192.168.1.1 Loop0 192.168.1.0/32 Direct 0 0 192.168.1.1 Loop0 192.168.1.1/32 Direct 0 0 127.0.0.1 InLoop0 192.168.1.255/32 Direct 0 0 192.168.1.1 Loop0 192.168.2.2/32 Static 60 0 12.0.0.2 GE0/0 224.0.0.0/4

12、Direct 0 0 0.0.0.0 NULL0 224.0.0.0/24 Direct 0 0 0.0.0.0 NULL0 255.255.255.255/32 Direct 0 0 127.0.0.1 InLoop0 RoNetwork_Deptping 192.168.2.2-使用 ping 命令测试路由是否配置正确Ping 192.168.2.2(192.168.2.2):56 data bytes,press CTRL_C to break 56 bytes from 192.168.2.2:icmp_seq=0 ttl=255 time=1.457 ms 56 bytes from

13、 192.168.2.2:icmp_seq=1 ttl=255 time=1.113 ms 56 bytes from 192.168.2.2:icmp_seq=2 ttl=255 time=1.168 ms 56 bytes from 192.168.2.2:icmp_seq=3 ttl=255 time=1.189 ms 56 bytes from 192.168.2.2:icmp_seq=4 ttl=255 time=1.049 ms-Ping statistics for 192.168.2.2-5 packets transmitted,5 packets received,0.0%

14、packet loss round-trip min/avg/max/std-dev=1.049/1.195/1.457/0.140 ms RoNetwork_Dept%Aug 22 11:49:29:304 2014 RoNetwork_Dept PING/6/PING_STATISTICS:Ping statistics for 192.168.2.2:5 packets transmitted,5 packets received,0.0%packet loss,round-trip min/avg/max/std-dev=1.049/1.195/1.457/0.140 ms.RoNet

15、work_Dept RoNetCenter端：sys System View:return to User View with Ctrl+Z.H3Csys RoNetCenter RoNetCenterinfo sync Info-center synchronous output is on.RoNetCenterint lo0 RoNetCenter-LoopBack0ip add 192.168.2.2 32 名师资料总结-精品资料欢迎下载-名师精心整理-第 3 页，共 14 页 -此文档来源于网络，如有侵权请联系网站删除只供学习交流用RoNetCenter-LoopBack0int g

16、0/0 RoNetCenter-GigabitEthernet0/0ip add 12.0.0.2 24 RoNetCenter-GigabitEthernet0/0undo sh RoNetCenter-GigabitEthernet0/0quit RoNetCenterip ro 192.168.1.1 255.255.255.255 12.0.0.1 RoNetCenterdis ip ro Destinations:14 Routes:14 Destination/Mask Proto Pre Cost NextHop Interface 0.0.0.0/32 Direct 0 0 1

17、27.0.0.1 InLoop0 12.0.0.0/24 Direct 0 0 12.0.0.2 GE0/0 12.0.0.0/32 Direct 0 0 12.0.0.2 GE0/0 12.0.0.2/32 Direct 0 0 127.0.0.1 InLoop0 12.0.0.255/32 Direct 0 0 12.0.0.2 GE0/0 127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0 127.0.0.0/32 Direct 0 0 127.0.0.1 InLoop0 127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0 1

18、27.255.255.255/32 Direct 0 0 127.0.0.1 InLoop0 192.168.1.1/32 Static 60 0 12.0.0.1 GE0/0 192.168.2.2/32 Direct 0 0 127.0.0.1 InLoop0 224.0.0.0/4 Direct 0 0 0.0.0.0 NULL0 224.0.0.0/24 Direct 0 0 0.0.0.0 NULL0 255.255.255.255/32 Direct 0 0 127.0.0.1 InLoop0 RoNetCenter 配置等价静态路由RoNetwork_Dept 端：RoNetwo

19、rk_Deptint g0/1 RoNetwork_Dept-GigabitEthernet0/1ip add 21.0.0.1 24 RoNetwork_Dept-GigabitEthernet0/1undo sh RoNetwork_Dept-GigabitEthernet0/1quit RoNetwork_Deptip ro 192.168.2.2 255.255.255.255 21.0.0.2 RoNetwork_Deptdis ip ro Destinations:21 Routes:22 名师资料总结-精品资料欢迎下载-名师精心整理-第 4 页，共 14 页 -此文档来源于网络，

20、如有侵权请联系网站删除只供学习交流用Destination/Mask Proto Pre Cost NextHop Interface 0.0.0.0/32 Direct 0 0 127.0.0.1 InLoop0 12.0.0.0/24 Direct 0 0 12.0.0.1 GE0/0 12.0.0.0/32 Direct 0 0 12.0.0.1 GE0/0 12.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0 12.0.0.255/32 Direct 0 0 12.0.0.1 GE0/0 21.0.0.0/24 Direct 0 0 21.0.0.1 GE0

21、/1 21.0.0.0/32 Direct 0 0 21.0.0.1 GE0/1 21.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0 21.0.0.255/32 Direct 0 0 21.0.0.1 GE0/1 127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0 127.0.0.0/32 Direct 0 0 127.0.0.1 InLoop0 127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0 127.255.255.255/32 Direct 0 0 127.0.0.1 InLoop0 192.1

22、68.1.0/24 Direct 0 0 192.168.1.1 Loop0 192.168.1.0/32 Direct 0 0 192.168.1.1 Loop0 192.168.1.1/32 Direct 0 0 127.0.0.1 InLoop0 192.168.1.255/32 Direct 0 0 192.168.1.1 Loop0 192.168.2.2/32 Static 60 0 12.0.0.2 GE0/0 21.0.0.2 GE0/1 224.0.0.0/4 Direct 0 0 0.0.0.0 NULL0 224.0.0.0/24 Direct 0 0 0.0.0.0 N

23、ULL0 255.255.255.255/32 Direct 0 0 127.0.0.1 InLoop0 RoNetCenter端：RoNetCenterint g0/1 RoNetCenter-GigabitEthernet0/1ip add 21.0.0.2 24 RoNetCenter-GigabitEthernet0/1undo sh RoNetCenter-GigabitEthernet0/1quit RoNetCenterip ro 192.168.1.1 255.255.255.255 21.0.0.1 RoNetCenterdis ip ro Destinations:18 R

24、outes:19 Destination/Mask Proto Pre Cost NextHop Interface 0.0.0.0/32 Direct 0 0 127.0.0.1 InLoop0 12.0.0.0/24 Direct 0 0 12.0.0.2 GE0/0 12.0.0.0/32 Direct 0 0 12.0.0.2 GE0/0 12.0.0.2/32 Direct 0 0 127.0.0.1 InLoop0 12.0.0.255/32 Direct 0 0 12.0.0.2 GE0/0 21.0.0.0/24 Direct 0 0 21.0.0.2 GE0/1 21.0.0

25、.0/32 Direct 0 0 21.0.0.2 GE0/1 21.0.0.2/32 Direct 0 0 127.0.0.1 InLoop0 21.0.0.255/32 Direct 0 0 21.0.0.2 GE0/1 127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0 127.0.0.0/32 Direct 0 0 127.0.0.1 InLoop0 127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0 名师资料总结-精品资料欢迎下载-名师精心整理-第 5 页，共 14 页 -此文档来源于网络，如有侵权请联系网站删除只供学习交

26、流用127.255.255.255/32 Direct 0 0 127.0.0.1 InLoop0 192.168.1.1/32 Static 60 0 12.0.0.1 GE0/0 21.0.0.1 GE0/1 192.168.2.2/32 Direct 0 0 127.0.0.1 InLoop0 224.0.0.0/4 Direct 0 0 0.0.0.0 NULL0 224.0.0.0/24 Direct 0 0 0.0.0.0 NULL0 255.255.255.255/32 Direct 0 0 127.0.0.1 InLoop0 测试：RoNetwork_Deptping 192.

27、168.2.2 Ping 192.168.2.2(192.168.2.2):56 data bytes,press CTRL_C to break 56 bytes from 192.168.2.2:icmp_seq=0 ttl=255 time=0.935 ms 56 bytes from 192.168.2.2:icmp_seq=1 ttl=255 time=1.156 ms 56 bytes from 192.168.2.2:icmp_seq=2 ttl=255 time=0.732 ms 56 bytes from 192.168.2.2:icmp_seq=3 ttl=255 time

28、=1.301 ms 56 bytes from 192.168.2.2:icmp_seq=4 ttl=255 time=0.733 ms-Ping statistics for 192.168.2.2-5 packets transmitted,5 packets received,0.0%packet loss round-trip min/avg/max/std-dev=0.732/0.971/1.301/0.227 ms RoNetCenterping-r 192.168.1.1-“-r”表示“Record route”，记录路由Ping 192.168.1.1(192.168.1.1)

29、:56 data bytes,press CTRL_C to break 56 bytes from 192.168.1.1:icmp_seq=0 ttl=255 time=0.827 ms RR:21.0.0.1 12.0.0.2 56 bytes from 192.168.1.1:icmp_seq=1 ttl=255 time=0.964 ms RR:12.0.0.1 12.0.0.2 56 bytes from 192.168.1.1:icmp_seq=2 ttl=255 time=1.895 ms RR:21.0.0.1 12.0.0.2 56 bytes from 192.168.1

30、.1:icmp_seq=3 ttl=255 time=0.673 ms RR:12.0.0.1 12.0.0.2 56 bytes from 192.168.1.1:icmp_seq=4 ttl=255 time=0.905 ms RR:21.0.0.1 12.0.0.2-Ping statistics for 192.168.1.1-5 packets transmitted,5 packets received,0.0%packet loss round-trip min/avg/max/std-dev=0.673/1.053/1.895/0.432 ms-数据包被轮流在两条链路上发送，但

31、是奇怪的是，只从一条链路返回，这与GNS3的 Cisco路由器不一样，Cisco的是从哪条链路出去就从哪条链路返回：参考：R1#ping Protocol ip:Target IP address:192.168.2.2 Repeat count 5:名师资料总结-精品资料欢迎下载-名师精心整理-第 6 页，共 14 页 -此文档来源于网络，如有侵权请联系网站删除只供学习交流用Datagram size 100:Timeout in seconds 2:Extended commands n:y Source address or interface:Type of service 0:Set

32、 DF bit in IP header?no:Validate reply data?no:Data pattern 0 xABCD:Loose,Strict,Record,Timestamp,Verbosenone:r Number of hops 9:Loose,Strict,Record,Timestamp,VerboseRV:r%No room for that option Loose,Strict,Record,Timestamp,VerboseRV:Record%No room for that option Loose,Strict,Record,Timestamp,Verb

33、oseRV:Sweep range of sizes n:Type escape sequence to abort.Sending 5,100-byte ICMP Echos to 192.168.2.2,timeout is 2 seconds:Packet has IP options:Total option bytes=39,padded length=40 Record route:(0.0.0.0)(0.0.0.0)(0.0.0.0)(0.0.0.0)(0.0.0.0)(0.0.0.0)(0.0.0.0)(0.0.0.0)(0.0.0.0)Request 0 timed out

34、Request 1 timed out Reply to request 2(32 ms).Received packet has options Total option bytes=40,padded length=40 Record route:(12.0.0.1)出去(192.168.2.2)(12.0.0.2)(12.0.0.1)回来(0.0.0.0)(0.0.0.0)(0.0.0.0)(0.0.0.0)(0.0.0.0)End of list 名师资料总结-精品资料欢迎下载-名师精心整理-第 7 页，共 14 页 -此文档来源于网络，如有侵权请联系网站删除只供学习交流用Reply

35、to request 3(48 ms).Received packet has options Total option bytes=40,padded length=40 Record route:(21.0.0.1)(192.168.2.2)(21.0.0.2)(21.0.0.1)(0.0.0.0)(0.0.0.0)(0.0.0.0)(0.0.0.0)(0.0.0.0)End of list Reply to request 4(24 ms).Received packet has options Total option bytes=40,padded length=40 Record

36、route:(12.0.0.1)(192.168.2.2)(12.0.0.2)(12.0.0.1)(0.0.0.0)(0.0.0.0)(0.0.0.0)(0.0.0.0)(0.0.0.0)End of list Success rate is 60 percent(3/5),round-trip min/avg/max=24/34/48 ms RoNetwork_Deptint g0/0 RoNetwork_Dept-GigabitEthernet0/0sh-关闭 G0/0 接口，看看还能不能ping 通RoNetwork_Dept-GigabitEthernet0/0%Aug 22 12:1

37、1:22:912 2014 RoNetwork_Dept IFNET/3/PHY_UPDOWN:Physical state on the interface GigabitEthernet0/0 changed to down.%Aug 22 12:11:22:913 2014 RoNetwork_Dept IFNET/5/LINK_UPDOWN:Line protocol state on the interface GigabitEthernet0/0 changed to down.quit RoNetwork_Deptping 192.168.2.2 Ping 192.168.2.2

38、(192.168.2.2):56 data bytes,press CTRL_C to break 56 bytes from 192.168.2.2:icmp_seq=0 ttl=255 time=0.676 ms 56 bytes from 192.168.2.2:icmp_seq=1 ttl=255 time=0.626 ms 56 bytes from 192.168.2.2:icmp_seq=2 ttl=255 time=0.756 ms 56 bytes from 192.168.2.2:icmp_seq=3 ttl=255 time=0.952 ms 56 bytes from

39、192.168.2.2:icmp_seq=4 ttl=255 time=0.740 ms-Ping statistics for 192.168.2.2-名师资料总结-精品资料欢迎下载-名师精心整理-第 8 页，共 14 页 -此文档来源于网络，如有侵权请联系网站删除只供学习交流用5 packets transmitted,5 packets received,0.0%packet loss round-trip min/avg/max/std-dev=0.626/0.750/0.952/0.111 ms RoNetwork_Dept%Aug 22 12:11:33:357 2014 RoNe

40、twork_Dept PING/6/PING_STATISTICS:Ping statistics for 192.168.2.2:5 packets transmitted,5 packets received,0.0%packet loss,round-trip min/avg/max/std-dev=0.626/0.750/0.952/0.111 ms.可见，当其中一条链路down 了之后，数据包可以通过另一条链路发往目的地。配置非等价静态路由：RoNetwork_Deptint g0/0 RoNetwork_Dept-GigabitEthernet0/0undo sh-重新激活 G0/

41、0 接口RoNetwork_Dept-GigabitEthernet0/0quit RoNetwork_Deptundo ip ro 192.168.2.2 255.255.255.255 12.0.0.2-删除前面配置的路由RoNetwork_Deptundo ip ro 192.168.2.2 255.255.255.255 21.0.0.2-删除前面配置的路由RoNetwork_Deptip ro 192.168.2.2 255.255.255.255 12.0.0.2 preference 1 配置非等价静态路由，指定优先级为1 RoNetwork_Deptip ro 192.168.

42、2.2 255.255.255.255 21.0.0.2-采用默认的优先级60，比上一条的优先级低RoNetwork_Deptdis ip ro Destinations:21 Routes:21 Destination/Mask Proto Pre Cost NextHop Interface 0.0.0.0/32 Direct 0 0 127.0.0.1 InLoop0 12.0.0.0/24 Direct 0 0 12.0.0.1 GE0/0 12.0.0.0/32 Direct 0 0 12.0.0.1 GE0/0 12.0.0.1/32 Direct 0 0 127.0.0.1 In

43、Loop0 12.0.0.255/32 Direct 0 0 12.0.0.1 GE0/0 21.0.0.0/24 Direct 0 0 21.0.0.1 GE0/1 21.0.0.0/32 Direct 0 0 21.0.0.1 GE0/1 21.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0 21.0.0.255/32 Direct 0 0 21.0.0.1 GE0/1 127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0 127.0.0.0/32 Direct 0 0 127.0.0.1 InLoop0 127.0.0.1/32 D

44、irect 0 0 127.0.0.1 InLoop0 127.255.255.255/32 Direct 0 0 127.0.0.1 InLoop0 192.168.1.0/24 Direct 0 0 192.168.1.1 Loop0 192.168.1.0/32 Direct 0 0 192.168.1.1 Loop0 192.168.1.1/32 Direct 0 0 127.0.0.1 InLoop0 192.168.1.255/32 Direct 0 0 192.168.1.1 Loop0 192.168.2.2/32 Static 1 0 12.0.0.2 GE0/0-只显示高优

45、先级的路由，出口G0/0 224.0.0.0/4 Direct 0 0 0.0.0.0 NULL0 224.0.0.0/24 Direct 0 0 0.0.0.0 NULL0 255.255.255.255/32 Direct 0 0 127.0.0.1 InLoop0 RoNetwork_Deptdis ip ro 192.168.2.2 Summary Count:1 Destination/Mask Proto Pre Cost NextHop Interface 192.168.2.2/32 Static 1 0 12.0.0.2 GE0/0 名师资料总结-精品资料欢迎下载-名师精心整

46、理-第 9 页，共 14 页 -此文档来源于网络，如有侵权请联系网站删除只供学习交流用RoNetwork_Deptint g0/0 RoNetwork_Dept-GigabitEthernet0/0sh 再次关闭 G0/0 接口，看看路由表的变化RoNetwork_Dept-GigabitEthernet0/0%Aug 22 12:24:56:174 2014 RoNetwork_Dept IFNET/3/PHY_UPDOWN:Physical state on the interface GigabitEthernet0/0 changed to down.%Aug 22 12:24:56:

47、177 2014 RoNetwork_Dept IFNET/5/LINK_UPDOWN:Line protocol state on the interface GigabitEthernet0/0 changed to down.RoNetwork_Dept-GigabitEthernet0/0dis ip ro Destinations:17 Routes:17 Destination/Mask Proto Pre Cost NextHop Interface 0.0.0.0/32 Direct 0 0 127.0.0.1 InLoop0 21.0.0.0/24 Direct 0 0 21

48、.0.0.1 GE0/1 21.0.0.0/32 Direct 0 0 21.0.0.1 GE0/1 21.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0 21.0.0.255/32 Direct 0 0 21.0.0.1 GE0/1 127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0 127.0.0.0/32 Direct 0 0 127.0.0.1 InLoop0 127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0 127.255.255.255/32 Direct 0 0 127.0.0.1 InL

49、oop0 192.168.1.0/24 Direct 0 0 192.168.1.1 Loop0 192.168.1.0/32 Direct 0 0 192.168.1.1 Loop0 192.168.1.1/32 Direct 0 0 127.0.0.1 InLoop0 192.168.1.255/32 Direct 0 0 192.168.1.1 Loop0 192.168.2.2/32 Static 60 0 21.0.0.2 GE0/1-高优先级的路由不可用后，自动使用低优先级的224.0.0.0/4 Direct 0 0 0.0.0.0 NULL0 224.0.0.0/24 Dire

50、ct 0 0 0.0.0.0 NULL0 255.255.255.255/32 Direct 0 0 127.0.0.1 InLoop0 RoNetwork_Dept-GigabitEthernet0/0dis ip ro 192.168.2.2 Summary Count:1 Destination/Mask Proto Pre Cost NextHop Interface 192.168.2.2/32 Static 60 0 21.0.0.2 GE0/1 小结：等价静态路由和非等价静态路由都能提供冗余，确保在一条链路出现故障后仍能保持网络的连通性，但是两者存在差别，等价静态路由除了提供冗余