[置顶] Deploy TRex in Centos7.4 [标签]
[置顶] OpenR on NCS5500 [标签] ,
[置顶] Linux/Unix tips [标签]
[置顶] Multicast – mVPN [标签]
[置顶] SecureCRT 技巧总结 [标签]

Install EVE-NG by KVM in CentOS

安装KVM组件

此步骤略,具体信息可以自行查阅

通过Virsh管理KVM

[root@host] $ virsh list
 Id    Name                           State
----------------------------------------------------

[root@host] $ virsh list --all
 Id    Name                           State
----------------------------------------------------
 -     centos-test                    shut off

[root@host] $
[root@host] $ brctl show
bridge name     bridge id               STP enabled     interfaces
br0             8000.b8599f1ef79e       no              eth2
virbr0          8000.5254004de69f       yes             virbr0-nic
[root@host] $
[root@host] $ route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
0.0.0.0         172.16.211.1    0.0.0.0         UG    0      0        0 br0
169.254.0.0     0.0.0.0         255.255.0.0     U     1007   0        0 br0
172.16.211.0    0.0.0.0         255.255.255.0   U     0      0        0 br0
192.168.122.0   0.0.0.0         255.255.255.0   U     0      0        0 virbr0
完整阅读

Enable Wireguard in Synology 918+

Some applications only working in same broadcast, so vpn feature is must have when access personal resource (e.g: NAS) from Internet. The artical only cover Wireguard, but not include theory.

Install APP

Follow up by the Github for synology-wireguard, not summarized again. Just put the spk:

完整阅读

EVPN ELAN over SRTE

在此篇文章里,简单总结下通过SRTE调度EVPN ELAN的流量,然后通过show信息,来查看引流及相关内容,并熟悉EVPN,EVPN基础部分,可以参考之前的文章,里面包含Route Type的信息:EVPN Summary

另外对于ELAN的引流,有很多种选择,常见的是通过对RT1打Color,调用单播流量;对RT3打Color,调用多播流量;对于RT1我们可以看成L3VPN中的“VRF”,也就是基于“VRF”颗粒度进行引流,这么理解可能更好理解

物理拓扑

完整阅读

How To Deploy STC VM by QEMU?

Introduction

Virtual STC inclulde 3 components:

  • License Server VM
  • Application: Spirent TestCenter
  • Virtual TestCenter: STC port VM

Different platoform have diff version, e.g Virtual TestCenter have ESXi platform or QEMU platform, different platform have diff License, if use incorrect platform or License, will have alarm, e.g:

So I summarized hwo to deploy STC VM by QEMU in the article.

完整阅读

Segment Routing Hands-on

I summaried the hands-on at 2019.7, public on my blog now. So you will find the version is old (652/661), new version(721/731) include more inovation features in SR solution.

Introduction

I summarized SR/SRTE hands-on-deck that includes our highlight features and show information in the same topology, content includes the following topic, now revised version is v3:

  • Hands-on Brief
  • Segment Routing Basic
  • L3VPN in Segment Routing
  • Interworking between LDP and SR
  • TI-LFA in Segment Routing
  • SRTE Solution in MPLS SR
  • SR IGP Flexible Algorithms
  • Egress Peer Engineering(EPE)
  • SRv6 Solution
完整阅读
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