-案例1: inside 与 outside 互通并测试 互通配置: -R1 interface e0/0 no shutdown ip address 192.168.10.1 255.255.255.0 ip route 192.168.20.0 255.255.255.0 192.168.10.254 -ASA interface g 0 no shutdown nameif Inside # Inside 与 inside 是相同的; 安全级别默认是100 ip address 192.168.10.254 255.255.255.0 interface g 1 no shutdown nameif outside # Outside 与 outside 是相同的;安全级别默认是0 ip address 192.168.20.254 255.255.255.0 -R2 interface e0/1 no shutdown ip address 192.168.20.1 255.255.255.0 ip route 192.168.10.0 255.255.255.0 192.168.20.254

	 R2(config)# enable password ABC123
	 R2(config)# line vty 0 4
	 R2(config-line)# password ABCDEF

  -测试
     1.不可取
	     R1:
		   ping 192.168.20.1 ,结果是不通的,但,是正常的结果。
	 2.可以使用的测试方式
	     R1:  
		   telnet 192.168.20.1