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GNS安装与配置
2022-06-12 21:03:00 【CyberESec】
README
GNS安装注意事项
取消不需要的下载项
wireshark可以提前下载或者稍后下载,安装时下载速度非常慢
当弹出这个提示框时
可以选择否
安装完成之后
选择No,免费使用,选择Yes是收费
打开GNS3,“Finsh”
当弹出这个框时一定要选择"Cancel"取消!!!,否则后面会出现很多麻烦。
配置GNS

在IOS routers中新建一个ISO
添加文件之后选择默认选项就可以了
默认RAM选256MiB,内存选择太大会消耗物理内存
一般接口选择2个以太网口"C7200-IO-2FE"和4个串口"PA-4T+"就可以,可以根据自己实际情况选择
下面这个不用填
点击"Finsh"
能看到路由器就说明配置成功了
调制CPU内存消耗
新建项目可以在默认文件夹下,以免出现各种非预期情况
点击路由器,右键,选择Idle-PC
查看GNS内存消耗
优先选择有"*“的值,如果发现一直降不了CPU消耗重复尝试,也可以尝试不带”*"的值
一般CPU消耗在10%一下就可以了
GNS连接SecureCRT

Edit
查看SecureCRT.exe文件的位置

"D:\Install\SecureCRT\SecureCRT.exe" /ARG "%d" /T /TELNET %h %p
打开路由器
双击路由器
出现这个就配置成功了
保存文件
在保存前一定要关闭所有设备
然后退出就可以了。
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