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About Lei Zhang
08-29-2018
Lei Zhang
Cisco Employee
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09-05-2013
78
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436
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29
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【原创】N9K (Tahoe 芯片) ELAM
Created by
Lei Zhang
in
数据中心文档
03-19-2018
03-19-2018
本帖最后由 leiz2 于 2018-3-19 16:28 编辑 一、简介在排查网络丢包的故障时,我们可以用ELAM工具在数据包沿途设备抓包来定位被丢弃的数据包是被哪台设备所丢弃,也就是确定故障源。之...
请教关于WS-C4506-E的问题(VFE?NFE?)
Created by
Lei Zhang
in
交换技术
03-14-2017
03-14-2017
CSCO11030694 发表于 2017-3-14 19:33多谢回复!我还是想继续追加一下提问,设备当前CPU利用率不到5%,一台4506就一块板卡也只用了6个口,每 ...你好!VFE和NFE芯...
请教关于WS-C4506-E的问题(VFE?NFE?)
Created by
Lei Zhang
in
交换技术
03-14-2017
03-14-2017
你好!VFE和NFE是引擎上的两个芯片。VFE=very fast engineNFE=netflow enginelog和输出显示,是这两个芯片温度过高了。谢谢!
请教关于WS-C4506-E的问题(VFE?NFE?)
Created by
Lei Zhang
in
交换技术
03-14-2017
03-14-2017
你好!VFE和NFE是引擎上的两个芯片。VFE=very fast engineNFE=netflow enginelog和输出显示,是这两个芯片温度过高了。谢谢!
Cisco 4507报Mac地址全为0 log
Created by
Lei Zhang
in
交换技术
03-05-2017
03-05-2017
你好!这个log其实表述的比较清楚了,大意就是说某接口某vlan收到了一个原mac为全0的数据包。思科设备对于原mac为全0或者组播mac是不进行学习的,直接drop。弹出该log进行提示。首先说,原...
POE端口报错
Created by
Lei Zhang
in
交换技术
03-03-2017
03-03-2017
你好!根据你的描述,更换过交换机,也换过端口。可见该问题指向到了你所提到的IP电话,建议换个IP电话或者其他PoE设备进行测试。如果更换了IP电话或者其他PoE设备后,该故障消失,则证明故障由初始IP...
nexus 7000 c7010-fab1的相关问题
Created by
Lei Zhang
in
数据中心
01-02-2017
01-02-2017
您好!最多可以插五个Fabric module。如果有三块FAB-1同时插在上面 ,是46*3=138G 。Up to five simultaneously active fabric module...
N7K show module引擎问题
Created by
Lei Zhang
in
交换技术
12-27-2016
12-27-2016
a_pan 发表于 2016-12-30 09:58show module设备能够识别主备引擎,主备引擎的指示灯都是正常的,设备也没有报什么异常日志信息,而且15 ...您好!根据描述以及diagno...
浏览器登陆C3750X-24T-S 显示页面不全
Created by
Lei Zhang
in
交换技术
11-20-2016
11-20-2016
您好!你的image是不是用的xxxx.bin文件?你试试xxxx.tar文件吧。".bin"的image不带任何管理文件,而".tar"会带。关于如何安装.tar image,请见以下文档:http...
4507交换机entservices的license问题
Created by
Lei Zhang
in
交换技术
10-30-2016
10-30-2016
a_pan 发表于 2016-10-24 20:02 非常感谢您的回复,真的帮了我一个大忙。不过,我还是有点不明白,就是entservices和ipbase的功能有什么区 ...您好,关于不同lice...
4507交换机entservices的license问题
Created by
Lei Zhang
in
交换技术
10-24-2016
10-24-2016
您好!设备上的license类型,有很多,比如:ipbase,ipservicek9,entservices等等。你show出来的这个license就是entservices类型。根据输出,这个lic...
4507交换机entservices的license问题
Created by
Lei Zhang
in
交换技术
10-24-2016
10-24-2016
您好!设备上的license类型,有很多,比如:ipbase,ipservicek9,entservices等等。你show出来的这个license就是entservices类型。根据输出,这个lic...
咨询VPC问题:VPC对等体(备)故障被移除,后想再上线,这时候keelive和peer哪个先接
Created by
Lei Zhang
in
数据中心
10-16-2016
10-16-2016
vpc建立时,必须先配keepalive,然后是peer-link。换言之,keepalive down,peer-link不能up。另外,vpc role (primary,secondary) 是...
[Sw3850]想看STP端口状态,简单!但是硬件的呢?是否和软件同步?
Created by
Lei Zhang
in
网络文档
09-22-2016
09-22-2016
赞!干货好帖!!
[工具分享]手把手教你-使用ELAM进行抓包
Created by
Lei Zhang
in
网络文档
09-22-2016
09-22-2016
赞!干货好帖!
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Public Statistics
Date Registered
09-05-2013
01:02 AM
Date Last Visited
08-29-2018
12:01 AM
Total Messages Posted
78
Total Helpful Votes Received
436
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yinba
10
xupeng
10
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10
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Yanli Sun
150
byl_qware_com
10
shuangbao wang
12
Fusen Huang
30
wjxiaobu555
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