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Buy or Renew
Yong Zhao
Cisco Employee
Cisco Employee
Member since ‎02-09-2011
‎10-21-2020
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  • 14 Posts
  • 1 Solutions
  • 64 Helpful votes Given
  • 130 Helpful votes Received
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30 Helpful Vote
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75 Helpful Vote
15 Helpful Vote
125 Helpful Vote
First Comment
First Article
100 Helpful Vote
1 Reply
100 Helpful Vote
30 Helpful Vote
10 Helpful Vote
1 Accepted Solution
5 Replies
1 Helpful Vote
Certifications
DevNet Class of 2020
Cisco Certified DevNet Specialist - Service Provider Automation and Programmability
Cisco Certified DevNet Professional
Cisco Certified DevNet Specialist - Service Provider Automation and Programmability
Cisco Certified DevNet Specialist - Core
Cisco Certified DevNet Professional
Cisco Certified DevNet Associate
Cisco Certified DevNet Associate
Cisco Certified DevNet Associate
Cisco Certified Internetwork Expert Service Provider (CCIE Service Provider) - Emeritus
Cisco Certified Internetwork Expert Enterprise Infrastructure (CCIE Enterprise Infrastructure) - Emeritus
Cisco Certified Internetwork Expert Service Provider (CCIE Service Provider) - Emeritus
Cisco Certified Internetwork Expert Service Provider (CCIE Service Provider)
Cisco Certified Internetwork Expert Routing & Switching (CCIE Routing & Switching) - Emeritus
Cisco Certified Internetwork Expert Service Provider (CCIE Service Provider)
Cisco Certified Specialist - Enterprise Core
Cisco Certified Internetwork Expert Enterprise Infrastructure (CCIE Enterprise Infrastructure)
Cisco Certified Specialist - Enterprise Core
Cisco Certified Internetwork Expert Enterprise Infrastructure (CCIE Enterprise Infrastructure)
Cisco Certified Specialist - Service Provider Core
Cisco Certified Internetwork Expert Service Provider (CCIE Service Provider)
Cisco Certified Specialist - Service Provider Core
Cisco Certified Internetwork Expert Service Provider (CCIE Service Provider)
Cisco Certified Internetwork Expert Service Provider (CCIE Service Provider)
Cisco Certified Internetwork Expert Service Provider (CCIE Service Provider)
Cisco Certified Network Associate Routing and Switching (CCNA Routing and Switching)

User Activity

netconf ned for xr662

08-04-2019
I tried to build xr662 netconf ned by nso5.2.x native netconf ned builder tools, as follow: admin@ncs# netconf-ned-builder project xr 6.6 fetch-module-list admin@ncs# netconf-ned-builder project xr 6.6 module Cisco-IOS-XR-* * select admin@ncs# netco...

【原创】Wireshark使用技巧: 利用“IO Graphs”分析数据并出图

04-26-2018
平时在处理故障时，会经常遇到抓包分析的情况。 有时会需要我们把问题分析出来并呈现给客户。 而且这种形式不仅仅体现在口头上或原始数据上。 如果能把原始数据过滤并把数据以图表的形式展现给客户，那么更能体现工作的质量与水平。这时我们就会用到Wireshark的一个非常好用的工具“IO Graphs”1. 用wireshark的summary可以分析数据的总体信息：2. 用wireshark IO Graphs分析数据注意调节X轴和Y轴的参数X轴是时间，Y轴是Bits，在此例中，时间单位是0.1s；图例...

【原创】How to sniffer Dummy VLAN on L2VPN ?

04-25-2018
什么是dummy vlan？由于EVC平台在入端口可以通过rewrite命令剥离VLAN tag，这样导致在PW中没有任何tag，在Type 4时会有问题，两边VLAN的QOS无法传递给对端，所以就有了这个所谓的dummy vlan，它不是一个真正的VLAN，他只是传递一些QOS字段并且占一个位。那么dummy VLAN长什么样？其实大鹏之前的文章里已经详细介绍了EVC的各种行为，我这里只是介绍抓dummy VLAN的“心路历程”以及dummy VLAN的“样子”~测试Topology:起始测试...

【原创】EoMPLS between ASR9k and ME3750

02-26-2018
前几天跟同事讨论了下关于ASR9k与ME3750通过Eompls互通的问题，发现ASR9k在实现上跟IOS有许多不同的地方，另外根据同事的总结，发现收益颇多，故把其中一部分整理出来(有一部分信息直接从同事的summary中拿过来的)，以备日后复习。Topology:(access 1148)(non-ESport)ME3750(ESport)—–PW—–A9K(dot1q.1148)3750 Config:interface Vlan1148no ip addressxconnect 2.2.2...

How to use NSO in a network which is not completely configured via NSO

07-31-2017
IntroductionIn our project, NSO interactive with devices by CLI NED, whatever is Cisco IOX or HuaWei VRP. Customer have a concern that is "out-of-sync" issue in their network. Because they couldn't avoid other management tools and only control device...
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Community Statistics
Member Since ‎02-09-2011 02:53 AM
Date Last Visited ‎10-21-2020 12:11 AM
Posts 14
Total Helpful Votes Received 130