41554 blogs · [ { "id": "01a0874b-e04d-73dd-a5be-09eda60f4dd9", "title": "OSPF ECMP with Unnumbered IPv4 Interfaces", "url": "https://blog.ipspace.net/2023/09/ecmp-ospf-unnumbered/?utm_source=atom_feed", "published_at": "2023-09-11T06:13:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09eda6ba9b5a", "title": "Reliable ECMP with Static Routing", "url": "https://blog.ipspace.net/2023/09/ecmp-static-routing/?utm_source=atom_feed", "published_at": "2023-09-08T07:00:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09eda7072a20", "title": "Case Study: BGP Routing Policy", "url": "https://blog.ipspace.net/2023/09/worth-reading-case-study-bgp-routing-policy/?utm_source=atom_feed", "published_at": "2023-09-07T06:31:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09eda7567120", "title": "Layer-3 WAN Handoff (L3Out) in VXLAN/EVPN Fabrics", "url": "https://blog.ipspace.net/2023/09/evpn-wan-handoff-l3out/?utm_source=atom_feed", "published_at": "2023-09-06T15:02:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09eda80161ce", "title": "Random Thoughts on Zero-Trust Architecture", "url": "https://blog.ipspace.net/2023/09/ztna-random-thoughts/?utm_source=atom_feed", "published_at": "2023-09-05T06:05:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09eda80cd802", "title": "BGP Labs: Simple Routing Policy Tools", "url": "https://blog.ipspace.net/2023/09/bgp-labs-simple-policy-tools/?utm_source=atom_feed", "published_at": "2023-09-04T06:26:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09eda812637c", "title": "Lifetime ipSpace.net Subscription", "url": "https://blog.ipspace.net/2023/09/lifetime-ipspace-subscription/?utm_source=atom_feed", "published_at": "2023-09-01T05:56:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09eda8fbc378", "title": "OSPF and ARP on Unnumbered IPv4 Interfaces", "url": "https://blog.ipspace.net/2023/08/unnumbered-ospf-arp/?utm_source=atom_feed", "published_at": "2023-08-31T06:20:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09eda92c4841", "title": "ARP and Static Routes", "url": "https://blog.ipspace.net/2023/08/arp-static-routes/?utm_source=atom_feed", "published_at": "2023-08-30T06:30:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09eda94c41a1", "title": "Worth Reading: Looking Inside Large Language Models", "url": "https://blog.ipspace.net/2023/08/worth-reading-large-language-models/?utm_source=atom_feed", "published_at": "2023-08-29T07:07:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edaa2cb46a", "title": "ARP Details Behind the Scenes", "url": "https://blog.ipspace.net/2023/08/arp-details/?utm_source=atom_feed", "published_at": "2023-08-28T06:25:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edaa5e0f2b", "title": "BGP Labs: The Basics", "url": "https://blog.ipspace.net/2023/08/bgp-labs-basic-setup/?utm_source=atom_feed", "published_at": "2023-08-24T06:40:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edab38548f", "title": "How GitHub Learned How Hard Distributed Systems Are", "url": "https://blog.ipspace.net/2023/08/distributed-systems-are-hard/?utm_source=atom_feed", "published_at": "2023-08-23T05:55:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edac02dbe8", "title": "Engagement Farming", "url": "https://blog.ipspace.net/2023/08/engagement-farming/?utm_source=atom_feed", "published_at": "2023-08-22T07:17:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edacc88a7a", "title": "netlab 1.6.1: BGP Reports, Markdown Support", "url": "https://blog.ipspace.net/2023/08/netlab-1-6-1-bgp-markdown-reports/?utm_source=atom_feed", "published_at": "2023-08-21T06:08:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edace00c82", "title": "Getting Comfortable with the Command Line", "url": "https://blog.ipspace.net/2023/08/comfortable-with-cli/?utm_source=atom_feed", "published_at": "2023-08-18T07:45:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edad7c2796", "title": "Free Subscription No Longer Needed to Watch the ipSpace.net Videos", "url": "https://blog.ipspace.net/2023/08/videos-free-subscription/?utm_source=atom_feed", "published_at": "2023-08-16T05:41:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edad93657d", "title": "Worth Reading: Networking for AI Workloads", "url": "https://blog.ipspace.net/2023/08/worth-reading-networking-for-ai-workloads/?utm_source=atom_feed", "published_at": "2023-08-14T07:10:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edadcb5dfc", "title": "New Project: BGP Hands-On Labs", "url": "https://blog.ipspace.net/2023/08/bgp-hands-on-labs/?utm_source=atom_feed", "published_at": "2023-08-03T09:04:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edae614bb5", "title": "netlab 1.6.0: New Commands, Reports, and External Connectivity", "url": "https://blog.ipspace.net/2023/08/netlab-1-6-commands-reports-connectivity/?utm_source=atom_feed", "published_at": "2023-08-01T15:08:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edaf164a3c", "title": "Worth Reading: MP-TCP in Hybrid Access Networks", "url": "https://blog.ipspace.net/2023/07/worth-reading-mptcp-hybrid-access-networks/?utm_source=atom_feed", "published_at": "2023-07-24T09:02:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edaf248f3b", "title": "Worth Reading: Eyes Like Saucers", "url": "https://blog.ipspace.net/2023/07/worth-reading-eyes-like-saucers/?utm_source=atom_feed", "published_at": "2023-07-20T07:36:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edb008f3c4", "title": "Multipath TCP (MPTCP) Resources", "url": "https://blog.ipspace.net/2023/07/mptcp-resources/?utm_source=atom_feed", "published_at": "2023-07-18T07:27:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edb0bfda98", "title": "Configuring Linux Traffic Control in a Sane Way", "url": "https://blog.ipspace.net/2023/07/worth-reading-linux-wan-link-impairment/?utm_source=atom_feed", "published_at": "2023-07-11T09:42:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edb1bccf51", "title": "Fun Reading: History of the Early Internet", "url": "https://blog.ipspace.net/2023/07/worth-reading-history-early-internet/?utm_source=atom_feed", "published_at": "2023-07-09T06:46:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edb233779f", "title": "Worth Watching: Ethernet Thick Yellow Cable", "url": "https://blog.ipspace.net/2023/07/worth-reading-ethernet-yellow-cable/?utm_source=atom_feed", "published_at": "2023-07-08T07:18:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edb2f51cbe", "title": "Worth Reading: Another BGP Session Reset Bug", "url": "https://blog.ipspace.net/2023/07/worth-reading-another-bgp-session-reset-bug/?utm_source=atom_feed", "published_at": "2023-07-02T06:24:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edb3e36fa8", "title": "Worth Reading: AI Does Not Help Programmers", "url": "https://blog.ipspace.net/2023/07/worth-reading-ai-not-helping-programmers/?utm_source=atom_feed", "published_at": "2023-07-01T06:16:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edb44f35f9", "title": "Worth Reading: What Is Going on With BGP?", "url": "https://blog.ipspace.net/2023/06/worth-reading-bgp-news/?utm_source=atom_feed", "published_at": "2023-06-25T06:08:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edb46fbbcf", "title": "Worth Reading: Always the Same Warning Signs", "url": "https://blog.ipspace.net/2023/06/worth-reading-always-same-warning-signs/?utm_source=atom_feed", "published_at": "2023-06-24T06:03:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edb490aa0c", "title": "Summer Break 2023", "url": "https://blog.ipspace.net/2023/06/summer-break/?utm_source=atom_feed", "published_at": "2023-06-22T06:08:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edb549c8d5", "title": "Use FRR Containers to Learn Routing Protocol Fundamentals", "url": "https://blog.ipspace.net/2023/06/learn-routing-protocols-frr/?utm_source=atom_feed", "published_at": "2023-06-21T06:42:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edb6364c2f", "title": "When a Device Without an IP Address Wants to Play the IP Game", "url": "https://blog.ipspace.net/2023/06/missing-ip-source-address/?utm_source=atom_feed", "published_at": "2023-06-20T06:41:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edb6809d49", "title": "Exercise: Fix BGP Route Leaks", "url": "https://blog.ipspace.net/2023/06/bgp-leak-lab/?utm_source=atom_feed", "published_at": "2023-06-19T06:33:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edb7321068", "title": "Worth Reading: Some Blogging Myths", "url": "https://blog.ipspace.net/2023/06/worth-reading-blogging-myths/?utm_source=atom_feed", "published_at": "2023-06-18T06:14:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edb7852a36", "title": "Worth Reading: A Primer on Communication Fundamentals", "url": "https://blog.ipspace.net/2023/06/worth-reading-primer-communication-fundamentals/?utm_source=atom_feed", "published_at": "2023-06-17T06:08:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edb86e144a", "title": "Please Respond: MANRS Customer Survey", "url": "https://blog.ipspace.net/2023/06/manrs-survey/?utm_source=atom_feed", "published_at": "2023-06-15T05:49:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edb87cdbe2", "title": "EIGRP Stub Routers", "url": "https://blog.ipspace.net/2023/06/eigrp-stub-routers/?utm_source=atom_feed", "published_at": "2023-06-14T06:05:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edb959015f", "title": "Classification of BGP Route Leaks (RFC 7908)", "url": "https://blog.ipspace.net/2023/06/bgp-route-leak-classification/?utm_source=atom_feed", "published_at": "2023-06-13T06:13:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edba47f9c6", "title": "netlab Release 1.5.4: New Junos Platforms", "url": "https://blog.ipspace.net/2023/06/netlab-release-1.5.4-vjunos/?utm_source=atom_feed", "published_at": "2023-06-12T06:14:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edbafacb3f", "title": "Worth Reading: Building Stuff with Large Language Models Is Hard", "url": "https://blog.ipspace.net/2023/06/worth-reading-building-with-llm-is-hard/?utm_source=atom_feed", "published_at": "2023-06-11T06:21:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edbbc87f13", "title": "Spoofing ICMP Redirects for Fun and Profit", "url": "https://blog.ipspace.net/2023/06/worth-reading-spoofing-icmp-redirects/?utm_source=atom_feed", "published_at": "2023-06-10T06:18:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edbbca97b0", "title": "Video: SD-WAN Security", "url": "https://blog.ipspace.net/2023/06/video-sdwan-security/?utm_source=atom_feed", "published_at": "2023-06-09T06:32:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edbcc9dc04", "title": "Are LACP Fast Timers Any Good?", "url": "https://blog.ipspace.net/2023/06/lacp-fast-timers/?utm_source=atom_feed", "published_at": "2023-06-08T06:19:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edbd71d42f", "title": "Distributed Systems Resources", "url": "https://blog.ipspace.net/2023/06/distributed-systems-resources/?utm_source=atom_feed", "published_at": "2023-06-07T06:19:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edbe6fbbb2", "title": "EIGRP Third-Party Next Hops", "url": "https://blog.ipspace.net/2023/06/eigrp-third-party-next-hop/?utm_source=atom_feed", "published_at": "2023-06-06T06:39:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edbf21decc", "title": "Default EBGP Policy (RFC 8212)", "url": "https://blog.ipspace.net/2023/06/default-ebgp-policy-rfc-8212/?utm_source=atom_feed", "published_at": "2023-06-05T07:09:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edbf31b65e", "title": "Worth Reading: Internet WAN Edge Design", "url": "https://blog.ipspace.net/2023/06/worth-reading-network-edge-dmz-design/?utm_source=atom_feed", "published_at": "2023-06-04T07:34:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edbfcd96d9", "title": "Worth Reading: Unbounded TCP Memory Usage", "url": "https://blog.ipspace.net/2023/06/worth-reading-unbounded-tcp-memory-usage/?utm_source=atom_feed", "published_at": "2023-06-03T06:23:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edc05d2c87", "title": "Video: Link State Routing Protocol Implementations", "url": "https://blog.ipspace.net/2023/06/video-link-state-routing-implementation/?utm_source=atom_feed", "published_at": "2023-06-02T06:19:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edc142f8a6", "title": "Source IP Address in Multicast Packets", "url": "https://blog.ipspace.net/2023/06/multicast-source-address/?utm_source=atom_feed", "published_at": "2023-06-01T07:22:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edc153b599", "title": "NTP in a Nutshell", "url": "https://blog.ipspace.net/2023/05/ntp-in-a-nutshell/?utm_source=atom_feed", "published_at": "2023-05-31T05:53:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edc18d19fb", "title": "Path Failure Detection on Multi-Homed Servers", "url": "https://blog.ipspace.net/2023/05/failure-detection-server-dual-homing/?utm_source=atom_feed", "published_at": "2023-05-30T06:32:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edc276be3a", "title": "Goodbye Twitter. It Was Fun While It Lasted", "url": "https://blog.ipspace.net/2023/05/goodbye-twitter/?utm_source=atom_feed", "published_at": "2023-05-29T06:34:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edc32397e6", "title": "Worth Reading: Cargo Cult AI", "url": "https://blog.ipspace.net/2023/05/worth-reading-cargo-cult-ai/?utm_source=atom_feed", "published_at": "2023-05-28T06:45:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edc3d11bdc", "title": "Worth Reading: Building Trustworthy AI", "url": "https://blog.ipspace.net/2023/05/worth-reading-trustworthy-ai/?utm_source=atom_feed", "published_at": "2023-05-27T07:52:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edc3d7db3b", "title": "Network Security Vulnerabilities: the Root Causes", "url": "https://blog.ipspace.net/2023/05/network-insecurity-root-causes/?utm_source=atom_feed", "published_at": "2023-05-26T06:31:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edc4169db5", "title": "Inter-VRF DHCP Relaying with Redundant DHCP Servers", "url": "https://blog.ipspace.net/2023/05/dhcp-redundant-vrf-relay/?utm_source=atom_feed", "published_at": "2023-05-25T06:43:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edc42649ca", "title": "Dealing with Cisco ACI Quirks", "url": "https://blog.ipspace.net/2023/05/cisco-aci-quirks/?utm_source=atom_feed", "published_at": "2023-05-23T06:36:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edc50f3439", "title": "Simplify netlab Topologies with Link Groups", "url": "https://blog.ipspace.net/2023/05/netlab-link-groups/?utm_source=atom_feed", "published_at": "2023-05-22T06:45:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edc55e62e8", "title": "Worth Reading: Trapped by Technology Fallacies", "url": "https://blog.ipspace.net/2023/05/worth-reading-trapped-technology-fallacies/?utm_source=atom_feed", "published_at": "2023-05-21T07:35:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edc5aca857", "title": "Why Is Source Address Validation Still a Problem?", "url": "https://blog.ipspace.net/2023/05/worth-reading-source-address-validation-still-a-problem/?utm_source=atom_feed", "published_at": "2023-05-20T07:13:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edc5dedff2", "title": "Video: Types of Switching ASICs", "url": "https://blog.ipspace.net/2023/05/video-types-asics/?utm_source=atom_feed", "published_at": "2023-05-19T07:21:00+00:00" }, { "id": "01a0874b-e04d-73dd-a5be-09edc60c5b7c", "title": "Find the Optimal Level of Automation Abstraction", "url": "https://blog.ipspace.net/2023/05/automation-abstraction-level/?utm_source=atom_feed", "published_at": "2023-05-18T07:03:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a5708d0cf783", "title": "New: Disaster Recovery Resources", "url": "https://blog.ipspace.net/2023/05/dr-resources/?utm_source=atom_feed", "published_at": "2023-05-17T06:10:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a5708d641cb2", "title": "ITNOG 7 Wrap-up", "url": "https://blog.ipspace.net/2023/05/itnog-wrapup/?utm_source=atom_feed", "published_at": "2023-05-16T06:25:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a5708dffbe85", "title": "netlab Release 1.5.3: libvirt Public Networks", "url": "https://blog.ipspace.net/2023/05/netlab-release-1.5.3-libvirt-public-networks/?utm_source=atom_feed", "published_at": "2023-05-15T07:56:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a5708eb916bf", "title": "Worth Reading: Official Ansible Collection for SR Linux", "url": "https://blog.ipspace.net/2023/05/worth-reading-sr-linux-ansible-collection/?utm_source=atom_feed", "published_at": "2023-05-14T07:22:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a5708f8d317e", "title": "Service Insertion with BGP FlowSpec", "url": "https://blog.ipspace.net/2023/05/worth-reading-bgp-flowspec-service-insertion/?utm_source=atom_feed", "published_at": "2023-05-13T07:23:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a570905a4c4e", "title": "Video: Kubernetes Container Networking Interface (CNI)", "url": "https://blog.ipspace.net/2023/05/video-kubernetes-cni/?utm_source=atom_feed", "published_at": "2023-05-12T06:30:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a57090aa5979", "title": "MLAG Clusters without a Physical Peer Link", "url": "https://blog.ipspace.net/2023/05/mlag-without-peer-link/?utm_source=atom_feed", "published_at": "2023-05-11T07:54:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a570919a141d", "title": "Is ChatGPT an Efficiency Multiplier?", "url": "https://blog.ipspace.net/2023/05/chat-gpt-efficiency-multiplier/?utm_source=atom_feed", "published_at": "2023-05-10T06:29:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a57092724050", "title": "Modifying BGP Behavior with xBGP API", "url": "https://blog.ipspace.net/2023/05/xbgp-modify-bgp-behavior/?utm_source=atom_feed", "published_at": "2023-05-09T06:49:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a570934b6232", "title": "Building a DMVPN Test Lab with netlab", "url": "https://blog.ipspace.net/2023/05/netlab-dmvpn/?utm_source=atom_feed", "published_at": "2023-05-08T06:40:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a57093509f4e", "title": "MUST READ: End-to-End Arguments in System Design", "url": "https://blog.ipspace.net/2023/05/worth-reading-end-to-end-system-design/?utm_source=atom_feed", "published_at": "2023-05-07T07:46:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a570936d6ad5", "title": "Worth Reading: IPv6 Deployment Status", "url": "https://blog.ipspace.net/2023/05/worth-reading-ipv6-deployment-status/?utm_source=atom_feed", "published_at": "2023-05-06T08:34:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a57093bd225a", "title": "Video: 400GbE Optics", "url": "https://blog.ipspace.net/2023/05/video-400ge-optics/?utm_source=atom_feed", "published_at": "2023-05-05T06:17:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a57094359ffc", "title": "Silent Hosts in EVPN Fabrics", "url": "https://blog.ipspace.net/2023/05/silent-hosts-evpn/?utm_source=atom_feed", "published_at": "2023-05-04T06:46:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a57094f3b875", "title": "Small Site EBGP-Only Design", "url": "https://blog.ipspace.net/2023/05/small-site-ebgp-only-design/?utm_source=atom_feed", "published_at": "2023-05-03T07:03:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a57095bc793f", "title": "netlab Release 1.5.2: Aruba CX, External Tools, Tunnel Interfaces", "url": "https://blog.ipspace.net/2023/05/netlab-release-1.5.2-aruba-tools-components/?utm_source=atom_feed", "published_at": "2023-05-02T06:43:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a570961bb891", "title": "Interesting: BGP Zombie Outbreak on Juniper Routers", "url": "https://blog.ipspace.net/2023/04/worth-reading-zombie-outbreak-juniper-routers/?utm_source=atom_feed", "published_at": "2023-04-30T06:54:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a5709634bfe8", "title": "CloudFlare: From IP packets to HTTP", "url": "https://blog.ipspace.net/2023/04/worth-reading-cloudflare-ip-packets-http/?utm_source=atom_feed", "published_at": "2023-04-29T09:02:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a57096f499dd", "title": "Advantages and Drawbacks of EVPN-based Multihoming", "url": "https://blog.ipspace.net/2023/04/video-evpn-mlag-comparison/?utm_source=atom_feed", "published_at": "2023-04-28T06:16:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a57097115f31", "title": "Why Is OSPF (and BGP) More Complex than STP?", "url": "https://blog.ipspace.net/2023/04/stp-ospf-bgp-complexity/?utm_source=atom_feed", "published_at": "2023-04-27T06:26:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a570980078f7", "title": "Is Dynamic MAC Learning Better Than EVPN?", "url": "https://blog.ipspace.net/2023/04/evpn-dynamic-mac-learning/?utm_source=atom_feed", "published_at": "2023-04-26T06:51:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a57098f64092", "title": "IPv6 Security in Layer-2 Firewalls", "url": "https://blog.ipspace.net/2023/04/palo-alto-ipv6-firewalling/?utm_source=atom_feed", "published_at": "2023-04-25T07:06:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a5709955ab23", "title": "Use Existing (DMVPN) Device Configurations in netlab", "url": "https://blog.ipspace.net/2023/04/netlab-merge-config/?utm_source=atom_feed", "published_at": "2023-04-24T07:39:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a5709a55a3e8", "title": "Systems Design: What We Hope We Know", "url": "https://blog.ipspace.net/2023/04/worth-reading-apenwarr-magic-science-engineering/?utm_source=atom_feed", "published_at": "2023-04-23T07:58:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a5709a7174e1", "title": "180 Gbps Software-Only Linux Router", "url": "https://blog.ipspace.net/2023/04/worth-reading-linux-router-180gbps/?utm_source=atom_feed", "published_at": "2023-04-22T06:43:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a5709a983946", "title": "Video: SD-WAN CPE Architecture", "url": "https://blog.ipspace.net/2023/04/video-sdwan-cpe-architecture/?utm_source=atom_feed", "published_at": "2023-04-21T06:27:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a5709b846de3", "title": "Multi-Vendor EVPN Fabrics", "url": "https://blog.ipspace.net/2023/04/multi-vendor-evpn-fabric/?utm_source=atom_feed", "published_at": "2023-04-20T06:11:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a5709bf1bf7e", "title": "New: Network Infrastructure as Code Resources", "url": "https://blog.ipspace.net/2023/04/niac-resources/?utm_source=atom_feed", "published_at": "2023-04-19T06:15:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a5709c2699cf", "title": "IPv6 Addressing on Point-to-Point Links", "url": "https://blog.ipspace.net/2023/04/ipv6-p2p-addressing/?utm_source=atom_feed", "published_at": "2023-04-18T06:15:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a5709c6ed959", "title": "Using VLAN and VRF Links in netlab Topologies", "url": "https://blog.ipspace.net/2023/04/netlab-vrf-vlan-links/?utm_source=atom_feed", "published_at": "2023-04-17T06:55:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a5709cc37dbd", "title": "ChatGPT Explaining the Need for iSCSI CRC", "url": "https://blog.ipspace.net/2023/04/chatgpt-explaining-iscsi-crc/?utm_source=atom_feed", "published_at": "2023-04-16T07:19:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a5709cd4e86c", "title": "Worth Reading: Was MPLS TE Worth the Effort?", "url": "https://blog.ipspace.net/2023/04/worth-reading-mpls-te-worthwhile/?utm_source=atom_feed", "published_at": "2023-04-15T08:35:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a5709ce093f6", "title": "Video: netlab Topology File", "url": "https://blog.ipspace.net/2023/04/video-netlab-topology-file/?utm_source=atom_feed", "published_at": "2023-04-14T06:51:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a5709d6458e3", "title": "Building a Small Network with ChatGPT", "url": "https://blog.ipspace.net/2023/04/chatgpt-small-network-design/?utm_source=atom_feed", "published_at": "2023-04-13T07:25:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a5709def3881", "title": "Should I Care About RPKI and Internet Routing Security?", "url": "https://blog.ipspace.net/2023/04/rpki-routing-security/?utm_source=atom_feed", "published_at": "2023-04-12T06:46:00+00:00" }, { "id": "01a0874b-e04e-7003-b30b-a5709df06006", "title": "DHCP Relaying with Redundant DHCP Servers", "url": "https://blog.ipspace.net/2023/04/dhcp-redundant-relay/?utm_source=atom_feed", "published_at": "2023-04-11T06:17:00+00:00" } ] posts Claim your blog

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2023

OSPF ECMP with Unnumbered IPv4 Interfaces original ↗

11 Sept 2023

Reliable ECMP with Static Routing original ↗

8 Sept 2023

Case Study: BGP Routing Policy original ↗

7 Sept 2023

Layer-3 WAN Handoff (L3Out) in VXLAN/EVPN Fabrics original ↗

6 Sept 2023

Random Thoughts on Zero-Trust Architecture original ↗

5 Sept 2023

BGP Labs: Simple Routing Policy Tools original ↗

4 Sept 2023

Lifetime ipSpace.net Subscription original ↗

1 Sept 2023

OSPF and ARP on Unnumbered IPv4 Interfaces original ↗

31 Aug 2023

ARP and Static Routes original ↗

30 Aug 2023

Worth Reading: Looking Inside Large Language Models original ↗

29 Aug 2023

ARP Details Behind the Scenes original ↗

28 Aug 2023

BGP Labs: The Basics original ↗

24 Aug 2023

How GitHub Learned How Hard Distributed Systems Are original ↗

23 Aug 2023

Engagement Farming original ↗

22 Aug 2023

netlab 1.6.1: BGP Reports, Markdown Support original ↗

21 Aug 2023

Getting Comfortable with the Command Line original ↗

18 Aug 2023

Free Subscription No Longer Needed to Watch the ipSpace.net Videos original ↗

16 Aug 2023

Worth Reading: Networking for AI Workloads original ↗

14 Aug 2023

New Project: BGP Hands-On Labs original ↗

3 Aug 2023

netlab 1.6.0: New Commands, Reports, and External Connectivity original ↗

1 Aug 2023

Worth Reading: MP-TCP in Hybrid Access Networks original ↗

24 Jul 2023

Worth Reading: Eyes Like Saucers original ↗

20 Jul 2023

Multipath TCP (MPTCP) Resources original ↗

18 Jul 2023

Configuring Linux Traffic Control in a Sane Way original ↗

11 Jul 2023

Fun Reading: History of the Early Internet original ↗

9 Jul 2023

Worth Watching: Ethernet Thick Yellow Cable original ↗

8 Jul 2023

Worth Reading: Another BGP Session Reset Bug original ↗

2 Jul 2023

Worth Reading: AI Does Not Help Programmers original ↗

1 Jul 2023

Worth Reading: What Is Going on With BGP?original ↗

25 Jun 2023

Worth Reading: Always the Same Warning Signs original ↗

24 Jun 2023

Summer Break 2023 original ↗

22 Jun 2023

Use FRR Containers to Learn Routing Protocol Fundamentals original ↗

21 Jun 2023

When a Device Without an IP Address Wants to Play the IP Game original ↗

20 Jun 2023

Exercise: Fix BGP Route Leaks original ↗

19 Jun 2023

Worth Reading: Some Blogging Myths original ↗

18 Jun 2023

Worth Reading: A Primer on Communication Fundamentals original ↗

17 Jun 2023

Please Respond: MANRS Customer Survey original ↗

15 Jun 2023

EIGRP Stub Routers original ↗

14 Jun 2023

Classification of BGP Route Leaks (RFC 7908)original ↗

13 Jun 2023

netlab Release 1.5.4: New Junos Platforms original ↗

12 Jun 2023

Worth Reading: Building Stuff with Large Language Models Is Hard original ↗

11 Jun 2023

Spoofing ICMP Redirects for Fun and Profit original ↗

10 Jun 2023

Video: SD-WAN Security original ↗

9 Jun 2023

Are LACP Fast Timers Any Good?original ↗

8 Jun 2023

Distributed Systems Resources original ↗

7 Jun 2023

EIGRP Third-Party Next Hops original ↗

6 Jun 2023

Default EBGP Policy (RFC 8212)original ↗

5 Jun 2023

Worth Reading: Internet WAN Edge Design original ↗

4 Jun 2023

Worth Reading: Unbounded TCP Memory Usage original ↗

3 Jun 2023

Video: Link State Routing Protocol Implementations original ↗

2 Jun 2023

Source IP Address in Multicast Packets original ↗

1 Jun 2023

NTP in a Nutshell original ↗

31 May 2023

Path Failure Detection on Multi-Homed Servers original ↗

30 May 2023

Goodbye Twitter. It Was Fun While It Lasted original ↗

29 May 2023

Worth Reading: Cargo Cult AI original ↗

28 May 2023

Worth Reading: Building Trustworthy AI original ↗

27 May 2023

Network Security Vulnerabilities: the Root Causes original ↗

26 May 2023

Inter-VRF DHCP Relaying with Redundant DHCP Servers original ↗

25 May 2023

Dealing with Cisco ACI Quirks original ↗

23 May 2023

Simplify netlab Topologies with Link Groups original ↗

22 May 2023

Worth Reading: Trapped by Technology Fallacies original ↗

21 May 2023

Why Is Source Address Validation Still a Problem?original ↗

20 May 2023

Video: Types of Switching ASICs original ↗

19 May 2023

Find the Optimal Level of Automation Abstraction original ↗

18 May 2023

New: Disaster Recovery Resources original ↗

17 May 2023

ITNOG 7 Wrap-up original ↗

16 May 2023

netlab Release 1.5.3: libvirt Public Networks original ↗

15 May 2023

Worth Reading: Official Ansible Collection for SR Linux original ↗

14 May 2023

Service Insertion with BGP FlowSpec original ↗

13 May 2023

Video: Kubernetes Container Networking Interface (CNI)original ↗

12 May 2023

MLAG Clusters without a Physical Peer Link original ↗

11 May 2023

Is ChatGPT an Efficiency Multiplier?original ↗

10 May 2023

Modifying BGP Behavior with xBGP API original ↗

9 May 2023

Building a DMVPN Test Lab with netlab original ↗

8 May 2023

MUST READ: End-to-End Arguments in System Design original ↗

7 May 2023

Worth Reading: IPv6 Deployment Status original ↗

6 May 2023

Video: 400GbE Optics original ↗

5 May 2023

Silent Hosts in EVPN Fabrics original ↗

4 May 2023

Small Site EBGP-Only Design original ↗

3 May 2023

netlab Release 1.5.2: Aruba CX, External Tools, Tunnel Interfaces original ↗

2 May 2023

Interesting: BGP Zombie Outbreak on Juniper Routers original ↗

30 Apr 2023

CloudFlare: From IP packets to HTTP original ↗

29 Apr 2023

Advantages and Drawbacks of EVPN-based Multihoming original ↗

28 Apr 2023

Why Is OSPF (and BGP) More Complex than STP?original ↗

27 Apr 2023

Is Dynamic MAC Learning Better Than EVPN?original ↗

26 Apr 2023

IPv6 Security in Layer-2 Firewalls original ↗

25 Apr 2023

Use Existing (DMVPN) Device Configurations in netlab original ↗

24 Apr 2023

Systems Design: What We Hope We Know original ↗

23 Apr 2023

180 Gbps Software-Only Linux Router original ↗

22 Apr 2023

Video: SD-WAN CPE Architecture original ↗

21 Apr 2023

Multi-Vendor EVPN Fabrics original ↗

20 Apr 2023

New: Network Infrastructure as Code Resources original ↗

19 Apr 2023

IPv6 Addressing on Point-to-Point Links original ↗

18 Apr 2023

Using VLAN and VRF Links in netlab Topologies original ↗

17 Apr 2023

ChatGPT Explaining the Need for iSCSI CRC original ↗

16 Apr 2023

Worth Reading: Was MPLS TE Worth the Effort?original ↗

15 Apr 2023

Video: netlab Topology File original ↗

14 Apr 2023

Building a Small Network with ChatGPT original ↗

13 Apr 2023

Should I Care About RPKI and Internet Routing Security?original ↗

12 Apr 2023

DHCP Relaying with Redundant DHCP Servers original ↗

11 Apr 2023