OpenStack Essex Scripted Installation on Ubuntu 12.04 (Part 2)
Update: My latest installation document for Folsom can be found here. It’s too tough to try and keep up with debugging installers myself so I am just using DevStack in that tutorial. Thanks! Well, we have OpenStack running on a couple of nodes now what? Let’s install WordPress on two nodes with web server running Apache on one node and MySql on …
OpenStack Essex Scripted Installation on Ubuntu 12.04 (Part 1)
Update: My latest installation document for Folsom can be found here. It’s too tough to try and keep up with debugging installers myself so I am just using DevStack in that tutorial. Thanks! Here is a two-parter on how to bring up an OpenStack build on VirtualBox. A screencast is accompanying the two sections. I live in networks, so if …
NOX OpenFlow Controller Installation Screencast Ubuntu 11.10
This post is on the NOX OpenFlow Controller Installation Screencast Ubuntu 11.10. When compiling NOX If you get the error “configure: error: openssl/md5.h not found. NOX requires OpenSSL” You just need to switch to the ‘destiny’ branch from the default ‘zaku’ branch. Setup dependency repo: cd /etc/apt/sources.list.d wget http://openflowswitch.org/downloads/debian/nox.list apt-get update cd ~/<wherever you want to put the src files> Install …
POX Openflow Controller Installation Screencast
POX Openflow Controller Installation: POX is a lightweight OpenFlow controller that is written completely in Python that is targeted for developers to spin up their own controllers. The nice thing about POX is if you want an OF controller spun up in as fast as you can type git clone etc, you got it. It supports the same tools that NOX …
Open vSwitch GRE Tunnel Configuration
We continue to destroy our nice clean data centers to facilitate poor application architectures that do not scale in a layer 3 fashion. We continue to come up with new technologies using old architectures to turn our networks into flat data centers under the guise of “cloud mobility”. Ok sorry, I got that out of my system. Open vSwitch is …
Installing and Configuring OpenvSwitch on Ubuntu 12.04 (Precise Pangolin)
Quick install how to for Installing and Configuring OpenvSwitch on Ubuntu 12.04 (Precise Pangolin) with the nightly OVS build. Before I start, I must point out the great progress the dev team has done in such a short time. All of the old gotchas in earlier releases on implementation are long gone. I am going to revisit the KVM integration …
Basic MPLS/VPN with Cisco IOS
This is a quick tutorial for basic MPLS/VPN with Cisco IOS configuration. The tutorial exemplifies basic PE to P to PE configuration on three Cisco 7200s running in GNS3 with IOS. R2 is configured as a route reflector P node and R4, R6 and R3 are PE node route reflector clients. The IGP is OSPF with R2 as the ABR. Loopback1 …
OTV configuration notes
Quick notes on OTV. I have not put this on lab gear yet so there may be typos. It does require licensing so make sure you have that budgeted, if not its a 20kish surprise which sucks.
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#enable the feature</br> feature otv</br> #create site Vlan</br> vlan 200</br> name otv-overlay-vlan |
#The Overlay interface ID (int overlay1) must match at both sites. A Vlan can only be assigned to one overlay.
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otv site-identifier 250 |
#Join-interface. From …
