#network Articles

  • 2024-01-29
  • it

Raspberry Pi 4 network disconnects

What was going on? The wired network connection lost connection every now and then. Most of the time this didn't bother because buffering but sometimes it did annoy. This was visible in dmesg -T output: [Mon Jan 22 20:48:23 2024] bcmgenet fd580000.ethernet eth0: Link is Down [Mon …

  • 2024-01-29
  • it

Raspberry Pi 4 verkkoyhteyden katkeaminen

Mitä tapahtui Langalla verkkoyhteys kotona katkkeili usein. Yleensä ei ollut ongelmä mutta pikkuhiljaa puskurointi ei auttanut enää. Tämä oli näkyvissä dmesg -T: [Mon Jan 22 20:48:23 2024] bcmgenet fd580000.ethernet eth0: Link is Down [Mon Jan 22 20:48:34 2024] bcmgenet fd580000.ethernet eth0: Link is Up …

Brocade CF Replacement Hints

This post is based on a submission from a reader of this blog Eberhard, maybe primarily of the popular Brocade SAN upgrades post. Many thanks for this, hoping it will help someone out there! The topic here is how to replace the embedded Compact Flash card if that breaks. You …

  • 2020-07-05
  • it

New Home Network Plan!

Changing apartment again so a pretty decent time to change the network at home. Doing it a bit on the cheap this time around. We'll get a docsis cable connection. Fortunately I have a modem used to connect to the same ISP from a previous apartment. Unfortunately the modem was …

  • 2020-02-19
  • it

AIR-LAP1142N-E-K9 to autonomous Mode Adventure

Wifi and PoE injector](images/DSC_1469-scaled.jpg) Some initial needful information Reset is done by holding MODE and then powering off and on the device Default enable password is Cisco Serial ttyUSB0 worked with one usb to rs232 and then a serial to RJ45 adapter, my cheapo ebay USB to …

  • 2019-05-30
  • it

VLAN in the home network!

https://www.guldmyr.com/some-updates-to-the-home-network/ Above is a previous post in this series about some improvements to my home network. With two modems from two ISPs. So! On Alibaba I found two Hasivo 8x1GbE managed fanless switches with VLAN support. Delivery time to Finland was really quick. It didn't say …

  • 2019-05-15
  • it

Some updates to the home network 1/2

Current layout: The corner: Cable MODEM NAT&WiFi ISP A One server One desktop who should be on both networks, default gw on one Phones and tablets wifi TV Area: DSL Modem NAT&WiFi ISP B One raspberry pi connected to the server Phones and tablets wifi One chromecast, would …

  • 2014-04-02
  • it

Brocade Certified Professional Data Center Track - Check!

coverImage: "bro_edu4_cert_pro_data_center_rgb.png" After ~49 posts on this blog on the topic Brocade the first larger block is finally complete: the Brocade Certified Professional Data Center Track (BCPDC)! What's that? So Brocade has several (4) tracks which consist of certifications/accrediations, some are shared between the tracks and some are …

  • 2014-03-30
  • it

BANAS - Brocade Certification - Studying

I'm going to focus on the below things when studying for BANAS: They are based on the current objectives listed on Brocade's page. Brocade Accredited Network Advisor Specialist Exam Topics The Brocade Accredited Network Advisor Specialist exam has these objectives: Product Features Demonstrate knowledge of Brocade Network Advisor product features …

  • 2014-02-27
  • it

BANAS - Brocade Accredited Network Advisor Specialist

Finally got around to start preparing the last certificate/accreditation - BANAS to complete the Brocade Data Center Track (ok, not last. There are plenty more!). It looks like it's an accreditation showing that the taker can do some basic tasks in Brocade Network Advisor (BNA). This used to be a …