The Tunnel Wasn't Down in Both Directions
Two iBGP links failed together, but their packet counters described two different underlay failures.
Continue reading// THE BLOG
Networking
Moving the KNET Queue Onto the Router
A traffic policy cannot protect latency if the real queue has already formed in a modem or provider network.
Continue reading
Making KNET Behave Under Load
KNET has several links which are fast right up until they aren’t. The obvious version is the mobile backup at Leipzig. Its available capacity changes with the radio network, time of day and probably the phase of the …
Continue reading
Monitoring KNET and HubN
After moving the KNET and HubN configurations into Ansible, I had a much better record of what the network was supposed to look like. I still had to log into a router if I wanted to know what it was actually doing. That …
Continue reading
Importing the Network That Already Existed
The HubN Registry now has a proper workflow for requesting, configuring and tracking a peering session. The actual network is older than that workflow. Several BGP sessions were already running. They had working …
Continue reading
Moving KNET and HubN to Ansible
Over the last few days I’ve been moving the KNET and HubN router configurations into Ansible. This has been on the list for a while. The network had grown across several sites, upstreams, WireGuard links, BGP policies …
Continue readingNo posts on this page match that filter.