Packet Tracer 是 Cisco 公司針對 CCNA 認證開發的一個用來設計、配置和故障排除網絡的模拟軟件。Packer Tracer 模拟器軟件比 Boson 功能強大，比 Dynamips 操作簡單，非常适合網絡設備初學者使用。

學習任務

1、安裝 Packer Tracer；2、利用一台型号為 2960 的交換機将 2pc 機互連組建一個小型局域網；3、分别設置 pc 機的 ip 地址；4、驗證 pc 機間可以互通。

實驗設備

Switch_2960 1 台；PC 2 台；直連線

PC1 IP：192.168.1.2 Submask：255.255.255.0 Gateway：192.168.1.1

PC2 IP：192.168.1.3 Submask：255.255.255.0 Gateway：192.168.1.1 PC1 ping PC2 Reply PC2 ping PC1 Reply PC2 ping Gateway Timeout

實戰演練

PC1 ipconfig IP Address......................: 192.168.1.2 Subnet Mask.....................: 255.255.255.0 Default Gateway.................: 192.168.1.1 ping 192.168.1.3 Pinging 192.168.1.3 with 32 bytes of data: Reply from 192.168.1.3: bytes=32 time=50ms TTL=128 Reply from 192.168.1.3: bytes=32 time=8ms TTL=128 Reply from 192.168.1.3: bytes=32 time=10ms TTL=128 Reply from 192.168.1.3: bytes=32 time=11ms TTL=128 Ping statistics for 192.168.1.3: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 8ms, Maximum = 50ms, Average = 19ms PC2 ipconfig IP Address......................: 192.168.1.3 Subnet Mask.....................: 255.255.255.0 Default Gateway.................: 192.168.1.1 ping 192.168.1.2 Pinging 192.168.1.2 with 32 bytes of data: Reply from 192.168.1.2: bytes=32 time=11ms TTL=128 Reply from 192.168.1.2: bytes=32 time=10ms TTL=128 Reply from 192.168.1.2: bytes=32 time=11ms TTL=128 Reply from 192.168.1.2: bytes=32 time=11ms TTL=128 Ping statistics for 192.168.1.2: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 10ms, Maximum = 11ms, Average = 10ms ping 192.168.1.1 Pinging 192.168.1.1 with 32 bytes of data: Request timed out.