ping外网网关，time值很不稳定，上网打开很慢

问题描述：

C:\Documents and Settings\Administrator>ping 222.46.19.193 -t

Pinging 222.46.19.193 with 32 bytes of data:

Reply from 222.46.19.193: bytes=32 time=2ms TTL=254
Reply from 222.46.19.193: bytes=32 time=2ms TTL=254
Reply from 222.46.19.193: bytes=32 time=2ms TTL=254
Reply from 222.46.19.193: bytes=32 time=2ms TTL=254
Reply from 222.46.19.193: bytes=32 time=2ms TTL=254
Reply from 222.46.19.193: bytes=32 time=2ms TTL=254
Reply from 222.46.19.193: bytes=32 time=8ms TTL=254
Reply from 222.46.19.193: bytes=32 time=2ms TTL=254
Reply from 222.46.19.193: bytes=32 time=2ms TTL=254
Reply from 222.46.19.193: bytes=32 time=2ms TTL=254
Reply from 222.46.19.193: bytes=32 time=3ms TTL=254
Reply from 222.46.19.193: bytes=32 time=2ms TTL=254
Reply from 222.46.19.193: bytes=32 time=2ms TTL=254
Reply from 222.46.19.193: bytes=32 time=3ms TTL=254
Reply from 222.46.19.193: bytes=32 time=12ms TTL=254
Reply from 222.46.19.193: bytes=32 time=2ms TTL=254
Reply from 222.46.19.193: bytes=32 time=2ms TTL=254
Reply from 222.46.19.193: bytes=32 time=2ms TTL=254
Reply from 222.46.19.193: bytes=32 time=2ms TTL=254

Ping statistics for 222.46.19.193:
Packets: Sent = 19, Received = 19, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 2ms, Maximum = 12ms, Average = 2ms
ping 的是铁通给我们公司的网关，延时有时候很大，不知道是什么原因？有时候部分网页打不开？ping内网都是time<1

问题解答：

没有掉包就问题不大