問個SA/network的問題, 麵試中問到的:

If hostA can not talk to HostB, but can talk to any hosts in its own subnet, how do you troubleshoot which goes wrong?

ping hostB (say google, yahoo) not working.
tracerout failed too.

ping hostC (a server in its own network) works.

所有跟帖： 

• 這個太簡單了 default gateway 的問題，嗬嗬 -?ttу- ♂ (0 bytes) () 12/02/2010 postreply 11:59:40

• 還有可能是netmask不對，但是這種問題考官可能都不一定搞得清楚 -?ttу- ♂ (0 bytes) () 12/02/2010 postreply 12:00:47

• default gateway什麽問題? -haonverhaoxifu- ♀ (0 bytes) () 12/02/2010 postreply 12:49:15

• 一般是沒有設置default gateway - 這個問題你隻要回答check/ping default gateway就行了 -?ttу- ♂ (0 bytes) () 12/02/2010 postreply 13:39:47

• 你要跟人牛逼就再加上設置的方法 route add default ip_of_gateway... -?ttу- ♂ (104 bytes) () 12/02/2010 postreply 13:42:59