谁给解释一下?什么问题啊?
Tracing route to www.163.com [202.108.36.172]
over a maximum of 30 hops:
1 * * * Request timed out.
2 * * * Request timed out.
3 * * * Request timed out.
4 * * * Request timed out.
5 * * * Request timed out.
后面的都一样
谁能解释一下怎么变成REQUEST TIMED OUT了啊?正常吗?