R1,R2,R3 直连!都只是配好了IP,掩码都是30位,但是都不能ping通直连的对端IP!求大神解答!
下面是配置:
R1:
#show ip interface brief
Interface IP-Address OK? Method Status Protocol
Ethernet0/0 12.1.1.1 YES manual up up
Ethernet0/1 13.1.1.1 YES manual up up
R2:
r2#SHOW IP INT BRI
Interface IP-Address OK? Method Status Protocol
Ethernet0/0 12.1.1.2 YES manual up up
Ethernet0/1 24.1.1.1 YES manual up up
R3:
r3#show ip int brief
Interface IP-Address OK? Method Status Protocol
Ethernet0/0 34.1.1.1 YES manual up up
Ethernet0/1 13.1.1.2 YES manual up up
\
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R1 ping R2:
r1#ping 12.1.1.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 12.1.1.2, timeout is 2 seconds:
*Aug 12 08:19:52.679: ether_vencap1975)
.
*Aug 12 08:19:54.680: ether_vencap1975)
.
*Aug 12 08:19:56.685: ether_vencap1975)
.
*Aug 12 08:19:58.684: ether_vencap1975)
.
*Aug 12 08:20:00.686: ether_vencap1975)
.
Success rate is 0 percent (0/5)
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R1 ping R3:
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 13.1.1.2, timeout is 2 seconds:
.
*Aug 12 08:21:19.406: ether_vencap1975)
*Aug 12 08:21:21.410: ether_vencap1975)
.
*Aug 12 08:21:23.410: ether_vencap1975)
.
*Aug 12 08:21:25.410: ether_vencap1975)
.
*Aug 12 08:21:27.410: ether_vencap1975)
.
Success rate is 0 percent (0/5)