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About weijun.duan
10-13-2021
weijun.duan
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Member since
08-27-2013
7
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5
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回复: 4507要做冗余是用vss还是用hsrp
Created by
weijun.duan
in
交换技术
09-12-2021
09-12-2021
能用VSS,绝不用HSRP/vrrp,这两个技术差别挺大的,VSS实现数据层面统一转发,管理层面统一管理,而HSRP/VRRP则不是。
回复: 庆祝思科社区注册用户突破100万
Created by
weijun.duan
in
社区管理博客
09-09-2021
09-09-2021
我应该经历了3次思科社区的改版合并
Re: why cdp neighbor looks like abnormal?
Created by
weijun.duan
in
Data Center Switches
04-26-2021
04-26-2021
show cdp nei
记一次N7K running-config无法保存到startup-config故障恢复
Created by
weijun.duan
in
数据中心文档
01-27-2021
01-27-2021
hakxu 发表于 2018-1-18 09:46感谢分享,CSCus22805 这个bug算是6.2(16)之前NX-OS版本中触发次数最多的了我昨天93180YC-EX是NX-OS版本是7.0(3...
记一次N7K running-config无法保存到startup-config故障恢复
Created by
weijun.duan
in
数据中心文档
01-27-2021
01-27-2021
昨天我93180YC-EX遇到一样的问题。配置更新终止。也没修复,直接重新刷配置,重新保存,又好了。
扫盲贴-无线控制器带宽限速配置【原创】
Created by
weijun.duan
in
无线文档
01-07-2021
01-07-2021
没有设置QOS之前,都是0表示无限制速率?
两台核心做了VSS后不支持SSH吗?
Created by
weijun.duan
in
交换技术
12-25-2020
12-25-2020
IOS的区别,和VSS没有关系。支持SSH的得是高级企业版/高级安全版。show version 对比一下IOS。
【原创】思科N5K交换机硬件替换之VPC注意点
Created by
weijun.duan
in
网络文档
12-25-2020
12-25-2020
本帖最后由 weijun.duan 于 2020-12-25 18:28 编辑 真实经验
在vPC环境中,更新n5k的 nx-os,fex的nx-os会自动更新吗?
Created by
weijun.duan
in
数据中心
12-06-2020
12-06-2020
本帖最后由 weijun.duan 于 2020-12-7 15:27 编辑 在vPC环境中,更新n5k的 nx-os,fex的nx-os会自动更新吗?并且我的server是单网卡联在N2K-1上,n...
Nexus9504聚合口的成员口不停闪断
Created by
weijun.duan
in
数据中心
11-03-2020
11-03-2020
4个端口连续性先down后UP,这不应该是物理级别的故障,物理级的故障一般端口是同时的;建议从vPC查找,peer-link的port-channel先down掉2组端口,把down掉的2组端口恢复后...
【原创】Cisco Nexus 5K系列交换机NX-OS升/降级手册
Created by
weijun.duan
in
数据中心文档
11-02-2020
11-02-2020
感谢分享。
【原创】Cisco Nexus 7000系列交换机NX-OS升/降级手册
Created by
weijun.duan
in
数据中心文档
11-02-2020
11-02-2020
感谢分享。
9月TAC专家&版主&代理商配置、故障案例精彩分享
Created by
weijun.duan
in
社区管理文档
11-02-2020
11-02-2020
集中精华。
【原创】Cisco Nexus Virtual port channel (vPC)-2
Created by
weijun.duan
in
数据中心文档
11-02-2020
11-02-2020
vPC技术中心还有个peer-gateway,面试中尝尝提到。如NAS存储设备、load-balance负载均衡设备,它执行ARP请求的时候不遵守公共的协议,他们不接受HSRP/VRRP中的虚拟MAC...
【原创】Cisco Nexus Virtual port channel (vPC)-1
Created by
weijun.duan
in
数据中心文档
11-02-2020
11-02-2020
提2个建议:1、CFS – Cisco Fabric Services protocol,用于vPC peer间同步状态和配置确认的协议;配置一致性确认2、提到Opreational Role时,要具...
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Public Statistics
Date Registered
08-27-2013
08:36 PM
Date Last Visited
10-13-2021
12:10 AM
Total Messages Posted
7
Total Helpful Votes Received
5
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Helpful Count
Sergiu.Daniluk
5
ccrank
5
vpn.nagy.sb
5
david_st
5
shane.wilkerson
1
5
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freddie0519
5
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