Being a Cisco Subject Matter Expert
A few weeks ago i was interviewed by Cisco about the work i do as a Cisco SME (Subject Matter Expert) for the last 1.5 years. Today the article appeared on the Cisco Learning Network:...
View ArticleInstalling Linux Mint on a mac mini
Typing this post from a freshly installed desktop running Linux Mint on a mac mini from late 2007. Yesterday i spent some time installing Linux Mint on a mac mini as it was not working well anymore...
View ArticleJuniper bridging, vlan mapping and irb
These are my notes for chapter two of the Juniper MX Series book. There are two styles of configuration when it comes to bridging and VLAN mappings: Enterprise style Service Provider style The...
View ArticleConfiguring Brocade VDX for FreeRADIUS authentication
This post will display the configuration for the FreeRADIUS server and the Brocade VDX 6740 configuration in distributed fabric-mode. FreeRADIUS configuration Add the Brocade VDX radius clients into...
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Getting started with the JNCIP-SP exam
Designed for experienced networking professionals with advanced knowledge of the Juniper Networks Junos OS, this written exam verifies the candidate’s understanding of advanced routing technologies and...
View ArticleCLI commands to check optical attenuation
This post outlines CLI commands to check the optical attenuation on Cisco and Brocade platforms. To check the attenuation, you need to have DOM (Digital Optical Monitoring) support in the optics. Cisco...
View ArticleDeny SSH on Brocade VDX
Yet another Brocade VDX post! This time on how to block SSH access on VE interfaces. Sounds pretty simple, but took some time to find out how to do it! After some Cisco Catalyst to Brocade VDX...
View ArticlePacketcapture in Nexus VDC
This post will outline how to make a packetcapture in a VDC using a Cisco Nexus device. The ethanalyzer tool is only available in the Admin VDC, in order to make a packetcapture in a regular VDC some...
View ArticleSynology NAS backup with rsync
This post will outline the configuration needed to backup a Synology NAS to a remote rsync server running Ubuntu server 16.04 rsyncd server configuration Configure rsync to run as daemon edit...
View ArticleBrocade VDX – Interconnecting Fabrics – line protocol down (ISL down)
While interconnecting two Brocade VDX VCS fabrics using normal ethernet trunks i stumbled on the following interface status during a migration:TenGigabitEthernet 2/0/17 is up, line protocol down (ISL...
View ArticlePython script for PIM SSM mappings
A small functional python script to generate a lot of static SSM mappings for IOS-XR. The entries of mcast-groups.txt is an excel file (not comma separated).#!/usr/bin/python with...
View ArticlePython script for PPPoE and PPPoA users
I wrote this python script to check for the amount of PPPoE and PPPoA users on a Cisco IOS-XE box. It’s also used by a provisioning system to check whether a PPPoX session came up or not. (Note: still...
View ArticleMPLS LDP label filtering
This post will outline MPLS LDP label filtering on IOS and IOS-XE. It contains LDP label filtering configuration and belonging output. Why? Recently we migrated two POPs to a MPLS based network coming...
View ArticleUnifi controller on Synology NAS
This post is about how to configure and run the Ubiquiti unifi controller on a Synology NAS using Docker. Quite recently I purchased UAP-AC-PRO access-point. Part of the Ubiquiti unifi solution is the...
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Configuring EVE-NG on VMware
After a successful install of EVE-NG (as a guest) on VMware Server 5.1, a couple of notes: EVE-NG as a virtual machine requires Intel VT enabled on the host you install it on this can be configured...
View ArticlePPPoE termination on a Juniper MX
This post is about terminating PPPoE sessions dynamicly on a Juniper MX. Recently i’ve setup dynamic PPPoE termination succesfully on a MX series, the goal was to migrate PPPoE termination...
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