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‘Programmer’ 分类存档

New install NSO and Connect with XR by CLI/Netconf NED

Not update any NSO article to my blog, I will put more NSO info to here, wish that will help more guys. The article will include more hands-on experiences, help beginner fast connect xr devices with nso by cli or netconf ned. For netcong NED, build by Pioneer at former, that need to manual exclude the Yang file that no support. In the article, will build netconf ned by native tool of NSO 5.2.0.

Platform Info

[root@nso opt]# ncs --version
5.2.0.1
[root@nso opt]# cat /etc/redhat-release 
CentOS Linux release 7.6.1810 (Core) 
RP/0/RP0/CPU0:frank#show ins ac sum
Wed Aug  7 01:53:03.286 UTC
    Active Packages: 1
        xrv9k-xr-6.6.3.14I version=6.6.3.14I [Boot image]

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Deploy TRex in Centos7.4

TRex based on DPDK, have high performance for traffics generator scenario. TRex has two deployment scenarios, one is Stateless mode, another is Server/client mode. How different for them? As follow pic. Btw, TRex has a GUI tool that can easy config traffic pattern, but that only support in Stateless mode. For Server/Client mode, only CLI (you can reference “Linux SRv6实战 (第三篇) 多云环境下Overlay(VPP) 和Underlay整合测试 ” that use Server/Client mode). For the article, only focus on stateless mode and GUI tool. 

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OpenR on NCS5500

For detail info, please refer to following  Akshat’s article, for my article only simply summary step to build openr on ncs5500. Thanks Akshat’s help for the openr set up 🙂

https://xrdocs.io/cisco-service-layer/blogs/2018-02-16-xr-s-journey-to-the-we-b-st-open-r-integration-with-ios-xr/

1. Set up the private insecure registry on your server

Refer as follow:

https://docs.docker.com/registry/deploying/ 

https://xrdocs.io/application-hosting/tutorials/2017-02-26-running-docker-containers-on-ios-xr-6-1-2/#private-insecure-registry

[root@nso ~]# nano /etc/yum.repos.d/docker.repo
[root@nso ~]# yum install docker-engine 
[root@nso ~]# systemctl start docker
[root@nso ~]# docker run -d -p 5000:5000 --restart=always --name registry registry:2
[root@nso ~]# docker pull akshshar/openr-xr
[root@nso ~]# docker ps -a
CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                    NAMES
c4636568f48a        registry:2          "/entrypoint.sh /e..."   6 minutes ago       Up 6 minutes        0.0.0.0:5000->5000/tcp   registry

[root@nso ~]# docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
registry            2                   f32a97de94e1        13 days ago         25.8MB
akshshar/openr-xr   latest              b51c260b060e        2 months ago        1.76GB

[root@nso ~]# docker tag akshshar/openr-xr 10.75.58.72:5000/openr-xr
[root@nso ~]# docker images
REPOSITORY                  TAG                 IMAGE ID            CREATED             SIZE
registry                    2                   f32a97de94e1        13 days ago         25.8MB
akshshar/openr-xr           latest              b51c260b060e        2 months ago        1.76GB
10.75.58.72:5000/openr-xr   latest              b51c260b060e        2 months ago        1.76GB
[root@nso ~]# docker push 10.75.58.72:5000/openr-xr
The push refers to a repository [10.75.58.72:5000/openr-xr]
Get https://10.75.58.72:5000/v1/_ping: http: server gave HTTP response to HTTPS client
[root@nso ~]# 

2. Add follow at “/etc/sysconfig/docker”

After changing the docker opts, please wait some seconds, docker will auto restart.

DOCKER_OPTS=" --insecure-registry 10.75.58.72:5000"

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Install/Use Yangsuite by Docker

Install

docker pull dockerhub.cisco.com/yang-tools-release-docker/yangsuite:latest
docker run -it -p 8480:8480 \
      --mount type=bind,source=/xxx/Documents/Yangsuite_data,target=/home/docker/data \
      dockerhub.cisco.com/yang-tools-release-docker/yangsuite:latest

Detail info:

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在MacOS中部署Python虚拟开发环境

部署虚拟开发环境

虽然自己不是软件工程师,但有时候为了测试会写一些小程序,所以常常需要在自己电脑上设置开发环境。由于MacOS原生支持Python,所以我们可以不用那么麻烦的设置开发环境。但为了系统的稳定性,还是不要随便增加或变更自带的python,所以开发环境直接用虚拟环境就可以了,大概构架如下:


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