The ramblings of a computer geek
I recently purchased a 2 Bay Synology 720+ NAS, however at the time of purchase I only had enough money to buy one drive and then wanted to add the second one at a later date. I also wanted to ensure that these were installed with a Mirror for 1 drive fault tolerance. The answer … Read more
I recently bought the Tado Smart Thermostats for my house to attach to my radiators. You’ll be familiar with such things as Hive and Nest which are Smart Thermostats, essentially these just make your Heating Thermostat you’ll typically have in your hall or landing into your home Internet enabled, so you can control it from … Read more
I had a bit of a read about that issue you were talking about with the fire suppression system causing system outages for Channel 4 recently (article). The reports all used seem to use the phrase “sucked the air out of the room”, this would imply a vacuum, which it wouldn’t have been. So in … Read more
The Synology NAS range can be used to run the Plex Media Server. However the Plex service needs to be configured with permissions to read your media files. In my example I have a Shared Folder on the NAS called “tv”, and I want Plex to be able to read, index and play these files. … Read more
The 5520-VIM-4YE, this has 4 x SFP28 ports 10/25. You can use 10Gbit or 25Gbit speeds on these ports. On an Extreme 5520 Universal hardware switch this will be ports 57-60 (on 48port model) or 33-36 (on a 24 port model) If you want to use 4 x SFP+ modules running at 10Gbit, you need … Read more
Emails crossing the internet use secure connections encrypted using Transport Layer Security (TLS). However, there remain vulnerabilities in this method of protecting the confidentiality of emails, whereby a person-in-the-middle can trick incoming connections to send to another server and/or send information in the clear. MTA-STS is a standard designed to address these vulnerabilities and is … Read more
The Kemp Load Master allows for the configuration of authentication offloading to itself (from the Microsoft Exchange server supporting Kerberos) to allow for the Kemp Load Master to act as a sP (Service Provider) against an IdP (Identity Provider) for example OKTA. The use of SAML via OKTA allows for any SAML (and Kerberos KCD … Read more
The Extreme Networks X695 switches have a special port configuration arrangement that you need to be aware of when configuring the switch for use. Verified on: ExtremeXOS version 30.6.1.11 30.6.1.11-patch1-4 by release-manager on Tue Jul 7 10:36:05 EDT 2020 The switch supports the following: 48 x SFP28 1Gb/10Gb/25Gb Ports 8 x QSFP28 40Gb/100Gb Ports Up … Read more
It is pretty standard practice to disable the default VLAN and renumber its tag ID for security reasons, from version 22.4 and above we often go this issue when performing these basic commands: We’d get the error as below. In our case we don’t want to run STP (Spanning Tree Protocol) because we’re using either … Read more
It is helpful to monitor the RxErrors and TxErrors on ports on Extreme Networks switches to get a heads up on any issues before they begin to impact service. The Extreme Networks MIB can be downloaded from the Extreme Networks support portal to assist you in finding the relevant SNMP OIDs, the below is an … Read more