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网络访问很慢,ping google 一千个包丢包大概在4%左右
isp提供10M独立带宽。从isp提供的流量监控看基本上稳定在3M左右。但是内网访问公网很慢
结构大概是 ISP <----> netscreen 25 <-----> 局域网 大概300个人
netscreen做网关
ping网关很正常,很少有丢包,时间在1m左右
但是ping公网很不稳定,此时带宽也在3M左右。
Reply from 203.208.33.160: bytes=32 time=3ms TTL=243
Reply from 203.208.33.160: bytes=32 time=3ms TTL=243
Reply from 203.208.33.160: bytes=32 time=8ms TTL=243
Reply from 203.208.33.160: bytes=32 time=4ms TTL=243
Reply from 203.208.33.160: bytes=32 time=27ms TTL=243
Reply from 203.208.33.160: bytes=32 time=47ms TTL=243
Reply from 203.208.33.160: bytes=32 time=2ms TTL=243
Reply from 203.208.33.160: bytes=32 time=9ms TTL=243
Reply from 203.208.33.160: bytes=32 time=74ms TTL=243
Reply from 203.208.33.160: bytes=32 time=44ms TTL=243
Reply from 203.208.33.160: bytes=32 time=4ms TTL=243
Reply from 203.208.33.160: bytes=32 time=10ms TTL=243
Reply from 203.208.33.160: bytes=32 time=17ms TTL=243
Reply from 203.208.33.160: bytes=32 time=3ms TTL=243
Reply from 203.208.33.160: bytes=32 time=28ms TTL=243
Reply from 203.208.33.160: bytes=32 time=4ms TTL=243
Reply from 203.208.33.160: bytes=32 time=2ms TTL=243
Reply from 203.208.33.160: bytes=32 time=2ms TTL=243
Reply from 203.208.33.160: bytes=32 time=4ms TTL=243
Reply from 203.208.33.160: bytes=32 time=4ms TTL=243
Reply from 203.208.33.160: bytes=32 time=4ms TTL=243
Reply from 203.208.33.160: bytes=32 time=12ms TTL=243
Reply from 203.208.33.160: bytes=32 time=23ms TTL=243
Ping statistics for 203.208.33.160:
Packets: Sent = 37, Received = 37, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 2ms, Maximum = 74ms, Average = 10ms
这都已经算是比较好的啦
怀疑是防火墙处理能力不够,熟悉netscreen 25的朋友帮忙看看是不是防火墙的问题?
防火墙的其他信息没法获得。没有权限。
[ 本帖最后由 yuio654 于 2009-8-20 16:42 编辑 ] |
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哈哈,我也吃过这个亏的。标的参数都很假的。不过我目前也没好的方法给你替代。你还是要找个搞netscreen的看看CPU和内存占用率,以及NAT SESSION的会话数目,还有出口的流量。有这些参数大致就可以判断谁的问题了。
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