启用NAT控制后(通常NAT控制都处于启用状态)，内部主机的地址必须经过NAT，方可与其他接口所连接的网络进行通信。在实践中 ...

网络地址转换(NAT, Network Address Translation)属接入广域网(WAN)技术，是一种将私有(保留)地址转化为合法IP地址的转换技术，它被广泛应用于各种类型Internet接入方式和各种类型的网络中。防火墙都运行NAT，主要原因是：公网地址不够使用；隐藏内部IP地址，增加安全 ...

Hey all. I'm doing a semi-educational exercise for myself, kind of as a proof of concept. I understand how to do what I'm trying to do in an overly elaborate 2 router setup, and I'm trying to condense ...

So I'm working on this 2811 trying to get it ready to go for install at a remote site. I'm pretty confident in this config, but it never hurts to get a second opinion. It needs to provide ADSL ...

There are thousands of commands and subcommands available to configure a Cisco Adaptive Security Appliance, and as you gain knowledge of the appliance, you will find yourself using more and more of ...

There are thousands of commands and subcommands available to configure a Cisco Adaptive Security Appliance, and as you gain knowledge of the appliance, you will find yourself using more and more of ...