【急】网络到底怎么了,高手解决下

公司网络属于局域网通过硬件防火墙上网,该防火墙和A公司、B公司都建立了硬件VPN设置。每天上午的时候访问B公司总是有丢包现象,但是访问A公司就没有问题,本公司访问别的外网也没有问题。但是别的地方的人访问B公司也没有问题,奇怪的是每天到下午就正常了。


Reply from 10.10.10.88: bytes=32 time=5ms TTL=126
Reply from 10.10.10.88: bytes=32 time=5ms TTL=126
Reply from 10.10.10.88: bytes=32 time=18ms TTL=126
Reply from 10.10.10.88: bytes=32 time=5ms TTL=126
Reply from 10.10.10.88: bytes=32 time=5ms TTL=126
Request timed out.
Request timed out.
Reply from 10.10.10.88: bytes=32 time=4ms TTL=126
Reply from 10.10.10.88: bytes=32 time=5ms TTL=126
Reply from 10.10.10.88: bytes=32 time=3ms TTL=126
Reply from 10.10.10.88: bytes=32 time=5ms TTL=126
Reply from 10.10.10.88: bytes=32 time=3ms TTL=126
Reply from 10.10.10.88: bytes=32 time=4ms TTL=126
Reply from 10.10.10.88: bytes=32 time=5ms TTL=126
Reply from 10.10.10.88: bytes=32 time=4ms TTL=126
Reply from 10.10.10.88: bytes=32 time=5ms TTL=126
Reply from 10.10.10.88: bytes=32 time=4ms TTL=126
Reply from 10.10.10.88: bytes=32 time=7ms TTL=126
Reply from 10.10.10.88: bytes=32 time=6ms TTL=126
Reply from 10.10.10.88: bytes=32 time=6ms TTL=126
Reply from 10.10.10.88: bytes=32 time=5ms TTL=126
Reply from 10.10.10.88: bytes=32 time=5ms TTL=126
Reply from 10.10.10.88: bytes=32 time=7ms TTL=126
Reply from 10.10.10.88: bytes=32 time=4ms TTL=126
Reply from 10.10.10.88: bytes=32 time=4ms TTL=126
Reply from 10.10.10.88: bytes=32 time=5ms TTL=126
Reply from 10.10.10.88: bytes=32 time=5ms TTL=126
Reply from 10.10.10.88: bytes=32 time=3ms TTL=126
Reply from 10.10.10.88: bytes=32 time=3ms TTL=126
Reply from 10.10.10.88: bytes=32 time=4ms TTL=126
Reply from 10.10.10.88: bytes=32 time=6ms TTL=126
Reply from 10.10.10.88: bytes=32 time=3ms TTL=126
Reply from 10.10.10.88: bytes=32 time=5ms TTL=126
Reply from 10.10.10.88: bytes=32 time=4ms TTL=126
Reply from 10.10.10.88: bytes=32 time=5ms TTL=126
Reply from 10.10.10.88: bytes=32 time=4ms TTL=126
Request timed out.
Reply from 10.10.10.88: bytes=32 time=4ms TTL=126
Reply from 10.10.10.88: bytes=32 time=5ms TTL=126
Reply from 10.10.10.88: bytes=32 time=5ms TTL=126
Reply from 10.10.10.88: bytes=32 time=5ms TTL=126
Reply from 10.10.10.88: bytes=32 time=4ms TTL=126
Reply from 10.10.10.88: bytes=32 time=3ms TTL=126
Request timed out.
Request timed out.
Reply from 10.10.10.88: bytes=32 time=6ms TTL=126

Ping statistics for 10.10.10.88:
    Packets: Sent = 276, Received = 229, Lost = 47 (17% loss),
Approximate round trip times in milli-seconds:
    Minimum = 3ms, Maximum = 87ms, Average = 5ms

用户系统信息:Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)