----- 转发人 lijun/BJ/DigitalChina 时间 00-12-22 17:29 -----
lijun
收件人：
00-12-22 [EMAIL PROTECTED]
09:57 抄送：
主题： great everybody.
hello,today is very cool,keep me waking.yesterday i make a nat
lab.enviroment is here,simple:
pc-sw-r1(2511)-------(64kddn)----------r2(router at isp)----internet
PC: 10.10.10.1/24
R1 : LAN 10.10.10.2/24
WAN 202.99.37.34 /30
R2: WAN口 202.99.37.33/30
i want keep tracking the interface on r1 to r2 such as s0.i make a
mirror between r1 wan and lan,and may i ping virtual lan interface to know
exactly interface wan's state
r1 configuration:
lan:ip nat inside
wan:ip nat outside
wan nat is :ip nat source outside static 202.99.37.34 10.10.10.5
when interface wan in normal state i can ping 10.10.10.5 and 202.99.37.34
when i disconnect wan on r1,i can not ping 202.99.37.34 but can ping
10.10.10.5
i changed my r1 configuration:
lan:ip nat outside
wan:ip nat inside
wan nat is :ip nat source inside static 202.99.37.34 10.10.10.5
now in normal i can ping either,when i disconnect interface wan ,i could
not ping either,this is realy i needed.
why the first configuration can ping 10.10.10.5 but second can't
may i use first configuration to obtain my goal
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