3.网络设备配置_路由器配置实践.ppt

* 1. The outside interface’s IP address can now be used as the PAT address. The interface IP address used for PAT is the address associated with the interface when the xlate (translation slot) is created. This is important for configuring DHCP, allowing for the DHCP retrieved address to be used for PAT. When PAT is enabled on an interface, there should be no loss of TCP, UDP, and ICMP services. These services allow for termination at the PIX Firewall units outside interface. * nat (inside) 1 nat (inside) 2 Permit all inside users to start outbound connections using the translated IP addresses from the global pool. global (outside) 1 - netmask 24 global (outside) 2 25-54 netmask 24 Create pools of global addresses to let the nat command statements use the address pools for translating internal IP addresses to external addresses. Each pool is designated by the number from the nat command statement, in this case, 1 and 2. * * CHANGES Change the IP address in the example. Use the route command to enter static routes for an interface to the next hop address. The command is very similar to Cisco router static routes. Multiple routes can be specified. Briefly discuss the rip commands. * This section covers configurati