Year: 2025
Quantum Fiber is a residential ISP that providers fiber-to-the-home services via Calix GPON (Florida). They are a part of CenturyLink/Lumen (though, an acquisition of Quantum…
A quick reference guide for IPv4 CIDR notation. RIPE’s printable sheet linked at the bottom. IP Addresses Host bits CIDR Prefix Subnet Mask 1 0…
In many standard MPLS networks, it is understood that Multicast does not utilize MPLS LSP’s and by default, natively transits the network. For most applications,…
It’s notoriously difficult to obtain packet captures in large networks. Was shown this trick by Juniper’s JTAC when monitor traffic just does not cut it.…
Recently ran into an issue on an ACX evo platform that caused random routing protocols to intermittently drop. We found that the DDoS (quick side…
