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  • Categories Cisco Equipment Gear

Cisco switching

  • Post author j2sw
  • Post date April 21, 2020
  • Categories Cisco Gear Networking news

Learning, Certifications and the WISP

  • Post author j2sw
  • Post date April 3, 2020

One of the most asked questions which come up in the xISP world is “How do I learn this stuff?”.   Depending on who you ask this could be a lengthy answer or a simple one-sentence answer.  Before we answer …

  • Categories Cisco Gear Networking

Cisco and Verizon demonstrate multi-haul

  • Post author j2sw
  • Post date January 16, 2020

As Internet traffic grows and becomes more dynamic, optical transport networks for sub-sea, terrestrial long haul and metro need more capacity.

  • Categories Cisco Networking

Cisco 2960X I/O usage

  • Post author j2sw
  • Post date January 15, 2020

While double checking some stats on a network I came across this in Librenms in regards to a Cisco 2960X 

  • Categories Cisco Networking

Some Basic Cisco router terminology

  • Post author j2sw
  • Post date January 15, 2020

This content is for Patreon subscribers of the j2 blog. Please consider becoming a Patreon subscriber for as little as $1 a month. This helps to provide higher quality content, more podcasts, and other goodies on this blog.To view this …

  • Categories BGP Cisco Networking peering

Cisco ORF (Outbound route filtering)

  • Post author j2sw
  • Post date January 8, 2020

Outbound Route Filtering (ORF) is a Cisco proprietary feature that prevents the unnecessary exchanging of routes that are subject to inbound filtering.

  • Categories Cisco

What you need to know for the new CCNA 201-301

  • Post author j2sw
  • Post date January 6, 2020

What you need to know for the new CCNA 200-301 exam by Cisco coming out this year in 2020

  • Categories Cisco equipment news

IOS Self-Signed Certificate Expiration on Jan. 1, 2020

  • Post author j2sw
  • Post date December 20, 2019

At 00:00 on 1 Jan 2020 UTC, all Self-Signed Certificates (SSC) that were generated on IOS/IOS-XE systems will expire, unless the system was running a fixed version of IOS/IOS-XE when the SSC was generated.  After that time, unfixed IOS systems …

  • Categories BGP Data Center Networking xISP

EVPNs: The answer to your MPLS issues

  • Post author j2sw
  • Post date November 22, 2019

So as we dive into What is EVPN I want you to know I am approaching this from a service provider standpoint.

  • Categories IPV6 Networking

IPV6 NAT-PT to communicate to an ipv4 only device

  • Post author j2sw
  • Post date November 17, 2019

You have a device that only does IPV4 and you want to communicate with it via IPV6. 

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