试验22 配置路由器基本连接

Ｒ１配置

Router(config)#ho r1
r1(config)#int lo0
r1(config-if)#ip add 1.1.1.1 255.255.255.0
r1(config-if)#int e0/0
r1(config-if)#ip ad 61.134.1.1 255.255.255.0
r1(config-if)#no sh

r1(config-if)#int s1/2
r1(config-if)#ip ad 192.168.0.1 255.255.255.0
r1(config-if)#no sh
r1(config-if)#int s1/3

r1(config-if)#ip ad 172.16.0.1 255.255.255.0
r1(config-if)#no sh

r1#sh ip int bri

Interface              IP-Address      OK? Method Status                Protocol
Ethernet0/0            61.134.1.1      YES manual up                    up
Ethernet0/1            unassigned      YES unset  administratively down down
Ethernet0/2            unassigned      YES unset  administratively down down
Ethernet0/3            unassigned      YES unset  administratively down down
Serial1/0              unassigned      YES unset  administratively down down
Serial1/1              unassigned      YES unset  administratively down down
Serial1/2              192.168.0.1     YES manual up                    up
Serial1/3              172.16.0.1      YES manual up                    up
Serial3/0              unassigned      YES unset  administratively down down
Serial3/1              unassigned      YES unset  administratively down down
Serial3/2              unassigned      YES unset  administratively down down
Serial3/3              unassigned      YES unset  administratively down down
Loopback0              1.1.1.1         YES manual up                    up

r1#

Ｒ２配置

r2(config)#int lo0
r2(config-if)#ip ad 2.2.2.2 255.255.255.0
r2(config-if)#int e0/0
r2(config-if)#ip add 61.134.1.2 255.255.255.0
r2(config-if)#no sh

r2(config-if)#int s2/1
r2(config-if)#ip add 192.168.0.2 255.255.255.0
r2(config-if)#no sh

r2(config-if)#int s2/3
r2(config-if)#ip add 10.0.0.2 255.255.255.0
r2(config-if)#no sh
r2(config-if)#^Z

r2#sh ip int bri
Interface              IP-Address      OK? Method Status                Protocol
Ethernet0/0            61.134.1.2      YES manual up                    up
Ethernet0/1            unassigned      YES unset  administratively down down
Ethernet0/2            unassigned      YES unset  administratively down down
Ethernet0/3            unassigned      YES unset  administratively down down
Serial2/0              unassigned      YES unset  administratively down down
Serial2/1              192.168.0.2     YES manual up                    up
Serial2/2              unassigned      YES unset  administratively down down
Serial2/3              10.0.0.2        YES manual up                    up
Serial3/0              unassigned      YES unset  administratively down down
Serial3/1              unassigned      YES unset  administratively down down
Serial3/2              unassigned      YES unset  administratively down down
Serial3/3              unassigned      YES unset  administratively down down
Loopback0              2.2.2.2         YES manual up                    up

r2#

Ｒ３配置

r3(config)#int lo0
r3(config-if)#ip add 3.3.3.3 255.255.255.0
r3(config-if)#int e0/0
r3(config-if)#ip add 61.134.1.3 255.255.255.0
r3(config-if)#no sh

r3(config-if)#int s3/2
r3(config-if)#ip add 10.0.0.3 255.255.255.0
r3(config-if)#int s3/1
r3(config-if)#ip add 172.16.0.3 255.255.255.0
r3(config-if)#no sh
r3(config-if)#int
r3(config-if)#int s3/2
r3(config-if)#no sh
r3(config-if)#^Z

r3#sh ip int bri
Interface              IP-Address      OK? Method Status                Protocol
Ethernet0/0            61.134.1.3      YES manual up                    up
Ethernet0/1            unassigned      YES unset  administratively down down
Ethernet0/2            unassigned      YES unset  administratively down down
Ethernet0/3            unassigned      YES unset  administratively down down
Serial3/0              unassigned      YES unset  administratively down down
Serial3/1              172.16.0.3      YES manual up                    up
Serial3/2              10.0.0.3        YES manual up                    up
Serial3/3              unassigned      YES unset  administratively down down
Loopback0              3.3.3.3         YES manual up                    up

测试连通性

r1#ping 192.168.0.2

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.0.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 32/42/64 ms

打开ｄｅｂｕｇ看更为详细的ｐｉｎｇ的过程

r1#debug ip icmp
ICMP packet debugging is on
r1#ping 192.168.0.2

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.0.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 16/29/48 ms

r1#
00:11:13: ICMP: echo reply rcvd, src 192.168.0.2, dst 192.168.0.1
00:11:13: ICMP: echo reply rcvd, src 192.168.0.2, dst 192.168.0.1
00:11:13: ICMP: echo reply rcvd, src 192.168.0.2, dst 192.168.0.1
00:11:13: ICMP: echo reply rcvd, src 192.168.0.2, dst 192.168.0.1
00:11:13: ICMP: echo reply rcvd, src 192.168.0.2, dst 192.168.0.1

关闭ｄｅｂｕｇ信息

r1#u all
All possible debugging has been turned off