C:\Documents and Settings\xiaofei>ping 10.1.1.2
Pinging 10.1.1.2 with 32 bytes of data:
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Ping statistics for 10.1.1.2:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),
C:\Documents and Settings\xiaofei>ping 192.168.3.2
Pinging 192.168.3.2 with 32 bytes of data:
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Ping statistics for 192.168.3.2:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),
C:\Documents and Settings\xiaofei>
PCA处于单独一个网段，想要访问PCB，通过路由转发数据跨网段需要做路由，此时可以使用静态路由来实现。
[RTA]ip route-static 192.168.3.0 255.255.255.0 10.1.1.2 指定目标网段以及下一跳出口
[RTB]ip route-static 192.168.2.0 255.255.255.0 10.1.1.1
此时RTA,B上都有对端网段的路由：
[h3c1]disp ip routing-table
Routing Tables: Public
Destinations : 8 Routes : 8
Destination/Mask Proto Pre Cost NextHop Interface
10.1.1.0/24 Direct 0 0 10.1.1.1 S0/0/0
10.1.1.1/32 Direct 0 0 127.0.0.1 InLoop0
10.1.1.2/32 Direct 0 0 10.1.1.2 S0/0/0
127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0
127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0
192.168.2.0/24 Direct 0 0 192.168.2.1 Eth0/1/0
192.168.2.1/32 Direct 0 0 127.0.0.1 InLoop0
192.168.3.0/24 Static 60 0 10.1.1.2 S0/0/0
[h3c2]disp ip routing-table
Routing Tables: Public
Destinations : 7 Routes : 7
Destination/Mask Proto Pre Cost NextHop Interface
10.1.1.0/24 Direct 0 0 10.1.1.2 S0/0/0
10.1.1.1/32 Direct 0 0 10.1.1.1 S0/0/0
10.1.1.2/32 Direct 0 0 127.0.0.1 InLoop0
127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0
127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0
192.168.2.0/24 Static 60 0 10.1.1.1 S0/0/0
192.168.3.2/32 Direct 0 0 127.0.0.1 InLoop0
此时PCAPCB可以相互访问；
C:\Documents and Settings\xiaofei>ping 192.168.3.2
Pinging 192.168.3.2 with 32 bytes of data:
Reply from 192.168.3.2: bytes=32 time=1ms TTL=254
Reply from 192.168.3.2: bytes=32 time=1ms TTL=254
Reply from 192.168.3.2: bytes=32 time=3ms TTL=254
Reply from 192.168.3.2: bytes=32 time=1ms TTL=254
Ping statistics for 192.168.3.2:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 1ms, Maximum = 3ms, Average = 1ms
RTA试用扩展PING从源地址ping目标成功。
[h3c1]ping -a 192.168.2.1 192.168.3.2
PING 192.168.3.2: 56 data bytes, press CTRL_C to break
Reply from 192.168.3.2: bytes=56 Sequence=1 ttl=255 time=5 ms
Reply from 192.168.3.2: bytes=56 Sequence=2 ttl=255 time=20 ms
Reply from 192.168.3.2: bytes=56 Sequence=3 ttl=255 time=1 ms
Reply from 192.168.3.2: bytes=56 Sequence=4 ttl=255 time=1 ms
Reply from 192.168.3.2: bytes=56 Sequence=5 ttl=255 time=10 ms
--- 192.168.3.2 ping statistics ---
5 packet(s) transmitted
5 packet(s) received
0.00% packet loss
round-trip min/avg/max = 1/7/20 ms
用路由追踪发现经过的路由到达目的网络。
C:\Documents and Settings\xiaofei>tracert 192.168.3.2
Tracing route to 192.168.3.2 over a maximum of 30 hops
1 <1 ms <1 ms <1 ms 192.168.2.1
2 1 ms <1 ms <1 ms 192.168.3.2
Trace complete.
