Network troubleshooting tools
Recently, there was a thread on the NANOG list asking what were somne favorite network troubleshooting tools. I have taken many of these tools and created the following list. http://ping.pe/Simple pingport and dig commands https://mtr.sh/BGP Looking glass https://perfops.net/mtr-from-worldTraceroute from various …
Hurricane Electric now requires IRR and filters invalid RPKI
If you are a Hurricane Electric customer you may be receiving e-mails like the following: What does this mean for you as a service provider? If you use Hurricane Electric as transit or peer with them on an exchange you …
CCR1016 BGP route pull down
This morning I had a Mikrotik CCR1016 where I had to change the router ID, which caused all the sessions to reset. The following is a screenshot of the time it took to re-learn all of the peers. Obviously, the …
Mikrotik BGP firewall rules for security
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My Mum 2019 BGP presentation
In this presentation, I talk about BGP communities, filters, and other cool BGP stuff.
Looking Glass Links
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BGP Local Pref and how it can influence traffic
what does “bgp local-pref” do for me? The short answer is it allows you to prefer which direction a traffic will flow to a given destination
Need an ASN, IP space? I have a package for you.
Are you intimidated by getting an ASN to participate in BGP? Need help with routing registries?
Cisco ORF (Outbound route filtering)
Outbound Route Filtering (ORF) is a Cisco proprietary feature that prevents the unnecessary exchanging of routes that are subject to inbound filtering.
BGP Messages
There are four types of BGP messages. These areOpen, Update, Keepalive, and Notification.