Packets DownRange
What are Border Gateway Attributes, what are they, how do they work, and their significance in shaping internet routing. What Are BGP Attributes? In the context of BGP, attributes are pieces of information associated with each route in the BGP routing table. These attributes provide BGP routers with crucial details about network paths and help … Read more
At the core of this interconnected web of networks is the Border Gateway Protocol (BGP), a fundamental routing protocol that plays a pivotal role in directing internet traffic. In this post, I will explore the significance of BGP and why it is often referred to as the backbone of the internet. I talk about BGP … Read more
In this blog post, we’ll demystify the concept of next-hop-self in BGP, why it’s crucial, and how it affects routing decisions. What Is Next-Hop-Self in BGP? In BGP, the “next hop” is the IP address used to reach a particular network or destination. The “next-hop” IP address is vital for making routing decisions and forwarding … Read more
For years, we have heard of the depletion of IPv4 address space on the Internet. At the same time, more and more networks are coming online. Out of these new networks, we have an ever-increasing number wanting to participate in BGP routing. This can be for several reasons. The first is for what BGP was … Read more
Patreon Edition is available here Data Center News •Databank starts construction on ATL4. . The colocation facility will feature 200,000 square feet of raised floor space and four megawatts of power. •Don’t let a tree cause an outage for your Data Center. •DartPoints acquires Louisiana provider Venyu. Data center provider DartPoints has acquired Louisiana-based Venyu … Read more
Border Gateway Protocol (BGP) is the Internet’s dominant inter-domain routing protocol, and as such, it is a critical component of the Internet’s infrastructure. However, BGP, like any other technology, has flaws. The following are some of the most common BGP issues: Some of the above issues are being addressed with RPKI, Routing Registries, and MANRS, … Read more
One of the most incredible things this week is the updates to the cloud flare speed test. Lots of things were analyzed, with a lot of questions on why. I will have a blog post separately about this. Sponsor ISP News•WANRACK to acquire KwikCom. WANRack, LLC (“WANRack”), a national leader of custom fiber optic network … Read more
Ever wonder why BGP seems to be such a complicated protocol to administer? It seems pretty straightforward to set up. Some commands, and you have a BGP session. Easy huh? BGP is one of those things where the more BGP feeds you bring in, the more complex traffic management becomes. Why? Take a look at … Read more
From now until the end of the year, I am running the following consulting package, including the following ARIN services. -Helping you set up your organization within ARIN-Helping you set up your Point of Contact (POC) records-Getting your own ASN-Getting an IPV6 allocation-Generating RPKI and ROA for up to 10 IP blocks (V4 and V6)-Creating … Read more
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 content, you must be a member of Justin’s Patreon Unlock with PatreonAlready a qualifying Patreon … Read more
APNIC has a bog article on detecting “bgp lies”. https://blog.apnic.net/2021/05/24/a-tool-to-detect-bgp-lies/Do you ever wonder whether you can really trust other networks, such as your provider(s) and peers? More precisely, wouldn’t you like to be able to tell if the traffic you send always flows through the paths received in the Border Gateway Protocol (BGP)? Could it be that, … Read more
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 content, you must be a member of Justin’s Patreon Unlock with PatreonAlready a qualifying Patreon … Read more