CCNA网络系列实验（1）之GNS3安装配置指南
㈠ 安装GNS3如果安装过程有提示WINPACP已经安装过了，选择“取消”
㈡ 配置GNS3基本参数
选择 step1
一般：
配置两个地方
① 拓扑图存放路径
② 存放临时文件
Dynamips：
① 这个是IOS模拟的重要组件，必须关联上，在GNS3安装目录里有
② 临时文件的存放目录
③ 然后进行测试：
Capture：
存放抓包文件的临时目录
Qemu：
存放PIX临时文件
然后测试
选择 step2
这里我使用3640的IOS
IDLE PC的值默认是没有的，要计算后才有
接下来计算IDLE的值
R1>en
R1#conf t
Enter configuration commands, one per line.End with CNTL/Z.
R1(config)#int f0/0
R1(config-if)#ip add 12.12.12.1 255.255.255.0
R1(config-if)#no sh
R1(config-if)#end
R1#
IDLE只要计算一次，以后就可以直接用
㈢ 测试：
R1>en
R1#conf t
Enter configuration commands, one per line.End with CNTL/Z.
R1(config)#int f0/0
R1(config-if)#ip add 192.168.1.110 255.255.255.0
R1(config-if)#no sh
R1(config-if)#end
R1#
*Mar1 00:10:07.191: %SYS-5-CONFIG_I: Configured from console by console
R1#
*Mar1 00:10:07.859: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
*Mar1 00:10:08.859: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
R1#ping 192.168.1.111
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.1.111, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 16/65/124 ms
R2>en
R2#conf t
Enter configuration commands, one per line.End with CNTL/Z.
R2(config)#int f0/0
R2(config-if)#ip add 192.168.1.111 255.255.255.0
R2(config-if)#no sh
R2(config-if)#end
R2#
*Mar1 00:10:48.759: %SYS-5-CONFIG_I: Configured from console by console
R2#
*Mar1 00:10:48.979: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
*Mar1 00:10:49.979: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
R2#
R2#ping 192.168.1.110
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.1.110, timeout is 2 seconds:
.!!!!
Success rate is 80 percent (4/5), round-trip min/avg/max = 20/53/88 ms
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