--- title: "Nitin | RouterIPGuide (@routeripguide) | Hashnode" description: "Documenting IPv4/IPv6 routing architecture, local gateway protocols, and subnet administration" url: "https://hashnode.com/@routeripguide" --- @routeripguide # Nitin | RouterIPGuide @routeripguide · Joined October 2026 [Website](https://routeripguide.com/) ### [Dual-NIC PoE Architecture & RTSP Stream Routing for Lorex Surveillance Networks](https://routeripguide.hashnode.dev/dual-nic-poe-architecture-rtsp-stream-routing-for-lorex-surveillance-networks?utm_source=hashnode&utm_medium=feed) Integrating high-resolution IP surveillance cameras into an existing local area network presents an architectural balancing act. Continuous 4K H.265 video feeds across multiple channels generate susta 5 min read · [routeripguide.hashnode.dev](https://routeripguide.hashnode.dev/dual-nic-poe-architecture-rtsp-stream-routing-for-lorex-surveillance-networks?utm_source=hashnode&utm_medium=feed) [2d ago](https://hashnode.com/posts/dual-nic-poe-architecture-rtsp-stream-routing-for-lorex-surveillance-networks/6af1fd54498e3af701330645) ### [Xfinity Bridge Mode vs AT&T IP Passthrough (Fix Double NAT)](https://routeripguide.hashnode.dev/xfinity-bridge-mode-vs-att-ip-passthrough-double-nat?utm_source=hashnode&utm_medium=feed) Fix double NAT behind an ISP gateway: how Xfinity Bridge Mode and AT&T IP Passthrough work, with step-by-step settings and a traceroute check. 4 min read · [routeripguide.hashnode.dev](https://routeripguide.hashnode.dev/xfinity-bridge-mode-vs-att-ip-passthrough-double-nat?utm_source=hashnode&utm_medium=feed) [5d ago](https://hashnode.com/posts/xfinity-bridge-mode-vs-att-ip-passthrough-double-nat/6aed7f67b76e03f6cdaceece) ### [Understanding Wi-Fi Extender Architecture and the 192.168.188.1 Gateway Timeout](https://routeripguide.hashnode.dev/understanding-wi-fi-extender-architecture-and-the-192-168-188-1-gateway-timeout?utm_source=hashnode&utm_medium=feed) TL;DR: When you finish setting up a Wi-Fi range extender, it turns off its internal DHCP server and joins your primary router's subnet as a bridge. Because your device receives a new IP address, reque 4 min read · [routeripguide.hashnode.dev](https://routeripguide.hashnode.dev/understanding-wi-fi-extender-architecture-and-the-192-168-188-1-gateway-timeout?utm_source=hashnode&utm_medium=feed) [Nov 3](https://hashnode.com/posts/understanding-wi-fi-extender-architecture-and-the-192-168-188-1-gateway-timeout/6aea0b0a7abba6050848d879) ### [Junos OS Initial Setup: Candidate Configurations, Commit Rules, and Interface Provisioning](https://routeripguide.hashnode.dev/junos-os-initial-setup-candidate-configurations-commit-rules-and-interface-provisioning?utm_source=hashnode&utm_medium=feed) Engineers transitioning from Cisco IOS to Juniper Networks Junos OS often encounter immediate workflow friction. Where Cisco immediately applies interface and routing changes directly to the running c 3 min read · [routeripguide.hashnode.dev](https://routeripguide.hashnode.dev/junos-os-initial-setup-candidate-configurations-commit-rules-and-interface-provisioning?utm_source=hashnode&utm_medium=feed) [Nov 1](https://hashnode.com/posts/junos-os-initial-setup-candidate-configurations-commit-rules-and-interface-provisioning/6ae7442312c768c5a202091e) ### [Understanding IPv4 Subnetting and CIDR Notation: Host Calculations and Boundary Rules](https://routeripguide.hashnode.dev/understanding-ipv4-subnetting-and-cidr-notation-host-calculations-and-boundary-rules?utm_source=hashnode&utm_medium=feed) Calculating IPv4 subnets, broadcast addresses, and assignable host scopes is an essential competency for systems engineers, network architects, and homelab builders. When partitioning address space ac 3 min read · [routeripguide.hashnode.dev](https://routeripguide.hashnode.dev/understanding-ipv4-subnetting-and-cidr-notation-host-calculations-and-boundary-rules?utm_source=hashnode&utm_medium=feed) [Oct 30](https://hashnode.com/posts/understanding-ipv4-subnetting-and-cidr-notation-host-calculations-and-boundary-rules/6ae45a2d938b6a0370d9bb9f)