Example 326 Steps Performed on hosta While Capturing the Packets with Sniffer

Pinging 192.168.3.5 with 32 bytes of data:

Request timed out.

Reply from 192.168.3.5: bytes=32 time=20ms TTL

= 126

Reply from 192.168.3.5: bytes=32 time=10ms TTL:

= 126

Reply from 192.168.3.5: bytes=32 time=10ms TTL:

= 126

Ping statistics for 192.168.3.5:

Packets: Sent = 4, Received = 3, Lost = 1

(25% loss),

Approximate round trip times in milli-seconds:

Minimum = 10ms, Maximum = 2 0ms, Average =

10ms

C:\>ping 192.168.3.5

Pinging 192.168.3.5 with 32 bytes of data:

Reply from 192.168.3.5: bytes=32 time=10ms TTL:

= 126

Reply from 192.168.3.5: bytes=32 time=10ms TTL:

= 126

Reply from 192.168.3.5: bytes=32 time=10ms TTL:

= 126

Reply from 192.168.3.5: bytes=32 time=20ms TTL:

= 126

Ping statistics for 192.168.3.5:

Packets: Sent = 4, Received = 4, Lost = 0

0% loss),

Approximate round trip times in milli-seconds:

Minimum = 10ms, Maximum = 2 0ms, Average =

12ms

C:\>tracert 192.168.3.5

Tracing route to HOSTC [192.168.3.5]

over a maximum of 30 hops:

1 10 ms <10 ms <10 ms 192.168.1.1

2 20 ms 20 ms 20 ms 192.168.2.2

3 20 ms 30 ms 30 ms HOSTC [192.168

.3.5]

Trace complete.

C:\>pathping 192.168.3.5

Tracing route to HOSTC [192.168.3.5]

over a maximum of 30 hops:

0 HOSTA [192.168.1.11]

1 192.168.1.1

2 192.168.2.2

3 HOSTC [192.168.3.5]

Computing statistics for 75

seconds...

Source to Here

This Node/Link

Hop RTT Lost/Sent = Pct

Lost/Sent = Pct Address

0

HOSTA [192.168.1.11] 0/ 100 = 0% |

1 0ms 0/ 100 = 0%

0/ 100 = 0% 192.168.1.1 0/ 100 = 0% |

2 20ms 0/ 100 = 0%

0/ 100 = 0% 192 . 168 .2.2 0/ 100 = 0% |

3 20ms 0/ 100 = 0%

0/ 100 = 0% HOSTC [192.168.3.5]

Trace complete.

C:\>arp -a

Interface: 192.168.1.11 on

Interface 0x1000005 show, clear, debug, and other

Internet Address Physical Address Type

192.168.1.1 00-

00-0c-8d-67-05 dynamic output, and logging

C:\>

Table 3-3 lists phe fi elds ou the IP header (packet or datag ram), and F igure 33-5 s hows the first significant ping lines of the Sniffer packet capture of hosta pinging hostc. Refer to the file chapter 3 ping from hosta to hostc sniffer capture.

Figure 3-5. Horta ARPr the Router

["View full size imagel

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