Category: Cisco

  • Cisco-like IPSLA on JunOS

    One of the more common CPE type things we use is IPSLA, often used when you want to prefer a certain circuit but there are many use cases. On JunOS, this uses two processes for this, Real Time Performance Monitoring, and IP Monitoring, to provide an ICMP probe, and an action based on probe results.…

  • An ISP within an ISP – The Lab – Part 1

    An ISP within an ISP – The Lab – Part 1

    First in a series of posts about rebuilding an ISP within an ISP. Premise This is a lab based on a network I maintained and evolved over a number of years, but sadly no more – but this lab is the redesign I had in mind based on what they needed so is here for…