{"id":2824,"date":"2022-01-12T00:35:47","date_gmt":"2022-01-12T00:35:47","guid":{"rendered":"http:\/\/www.f1linux.com\/?page_id=2824"},"modified":"2025-10-12T13:38:32","modified_gmt":"2025-10-12T12:38:32","slug":"networking","status":"publish","type":"page","link":"http:\/\/www.f1linux.com\/?page_id=2824","title":{"rendered":"Networking"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"2824\" class=\"elementor elementor-2824\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4d3fc3a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4d3fc3a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0436c87\" data-id=\"0436c87\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2f60c0c elementor-widget elementor-widget-text-editor\" data-id=\"2f60c0c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h1><strong>Dual-Stack IPv4\/6 Office, Building &amp; Campus Networking<\/strong><\/h1>\n<p>A secure, performant, reliable and most importantly FUTURE-PROOF network requires a planner with experience. F1Linux has it:&nbsp;<strong><em>single office, multi-floor and even campus networking<\/em><\/strong>&nbsp;with with hundreds of users.<\/p>\n<p>Making good subnetting choices when partitioning the network, choosing appropriate hardware, and in respect to wireless networking, relative physical emplacement of APs is crucial to ensuring the productivity of your network users. These are all decisions informed by experience and F1Linux has it.<\/p>\n<p>And as IPv4 globally routable addresses are exhausted or nearing exhaustion around the world, IPv6 becomes an unavoidable reality.&nbsp; F1Linux can comprehensively plan &amp; implement a dual IPv4\/6 stack network ensuring your network scales with the future.<\/p>\n<h1>Network Monitoring:<\/h1>\n<p>SNMP &amp; Zabbix monitoring can be configured to monitor your network<\/p>\n<h1>Remote Network Management:<\/h1>\n<p>F1Linux can remotely manage your network performing common administrative tasks either independently or in collaboration with your network team.<\/p>\n<h1>Add IPv6 Connectivity to an Existing Network:<\/h1><p>If your network wasn&#8217;t planned with the future in mind, F1Linux implement IPv6 connectivity and configure the IPv6 firewall rules in front of it.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e28ad36 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e28ad36\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-12c24e6\" data-id=\"12c24e6\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3df28b9 elementor-widget elementor-widget-shortcode\" data-id=\"3df28b9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\"><div id=\"metaslider-id-4425\" style=\"width: 100%; margin: 0 auto;\" class=\"ml-slider-3-106-0 metaslider metaslider-flex metaslider-4425 ml-slider has-dots-nav ms-theme-default\" role=\"region\" aria-label=\"eHealthAfrica Networking\" data-height=\"600\" data-width=\"800\">\n    <div id=\"metaslider_container_4425\">\n        <div id=\"metaslider_4425\">\n            <ul class='slides'>\n                <li style=\"display: block; width: 100%;\" class=\"slide-4426 ms-image \" aria-roledescription=\"slide\" data-date=\"2022-10-06 12:29:31\" data-filename=\"P1040614-scaled-800x600.jpg\" data-slide-type=\"image\"><img fetchpriority=\"high\" decoding=\"async\" src=\"http:\/\/www.f1linux.com\/wp-content\/uploads\/2022\/01\/P1040614-scaled-800x600.jpg\" height=\"600\" width=\"800\" alt=\"\" class=\"slider-4425 slide-4426 msDefaultImage\" title=\"P1040614\" \/><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-4429 ms-image \" aria-roledescription=\"slide\" data-date=\"2022-10-06 12:29:32\" data-filename=\"P1040633-scaled-800x600.jpg\" data-slide-type=\"image\"><img decoding=\"async\" src=\"http:\/\/www.f1linux.com\/wp-content\/uploads\/2022\/01\/P1040633-scaled-800x600.jpg\" height=\"600\" width=\"800\" alt=\"\" class=\"slider-4425 slide-4429 msDefaultImage\" title=\"P1040633\" \/><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-4427 ms-image \" aria-roledescription=\"slide\" data-date=\"2022-10-06 12:29:31\" data-filename=\"P1040661-scaled-800x600.jpg\" data-slide-type=\"image\"><img decoding=\"async\" src=\"http:\/\/www.f1linux.com\/wp-content\/uploads\/2022\/01\/P1040661-scaled-800x600.jpg\" height=\"600\" width=\"800\" alt=\"\" class=\"slider-4425 slide-4427 msDefaultImage\" title=\"P1040661\" \/><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-4428 ms-image \" aria-roledescription=\"slide\" data-date=\"2022-10-06 12:29:31\" data-filename=\"P1040655-scaled-800x600.jpg\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.f1linux.com\/wp-content\/uploads\/2022\/01\/P1040655-scaled-800x600.jpg\" height=\"600\" width=\"800\" alt=\"\" class=\"slider-4425 slide-4428 msDefaultImage\" title=\"P1040655\" \/><\/li>\n            <\/ul>\n        <\/div>\n        \n    <\/div>\n<\/div><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-acff757 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"acff757\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9b0dd0d\" data-id=\"9b0dd0d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f8221d9 elementor-tabs-view-horizontal elementor-widget elementor-widget-tabs\" data-id=\"f8221d9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tabs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-tabs\">\n\t\t\t<div class=\"elementor-tabs-wrapper\" role=\"tablist\" >\n\t\t\t\t\t\t\t\t\t<div id=\"elementor-tab-title-2601\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"true\" data-tab=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"elementor-tab-content-2601\" aria-expanded=\"false\">WAN<\/div>\n\t\t\t\t\t\t\t\t\t<div id=\"elementor-tab-title-2602\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"false\" data-tab=\"2\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-2602\" aria-expanded=\"false\">LAN<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t<div class=\"elementor-tabs-content-wrapper\" role=\"tablist\" aria-orientation=\"vertical\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-tab-title elementor-tab-mobile-title\" aria-selected=\"true\" data-tab=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"elementor-tab-content-2601\" aria-expanded=\"false\">WAN<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2601\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-2601\" tabindex=\"0\" hidden=\"false\"><p style=\"font-variant-ligatures: normal; font-variant-caps: normal; font-family: 'Noto Sans'; font-size: 15px; font-style: normal; font-weight: 400;\"><span style=\"font-size: 15px;\">When I arrived in Kano, eHealth&#8217;s WAN- which spanned the northern half of Nigeria- suffered from reliability issues.<\/span><\/p>\n<p style=\"font-variant-ligatures: normal; font-variant-caps: normal; font-family: 'Noto Sans'; font-size: 15px;\"><span style=\"font-style: normal; font-weight: 400;\">I identified the cause as the Ubiquiti AirFibers- radios which joined the Polio <\/span><b><i>Emergency Operation Centers<\/i><\/b> (&#8220;<b><i>EOC<\/i><\/b>&#8220;) to the carrier networks- were not accurately enough aligned. Unless they&#8217;re cinched down really tight, even strong winds can knock them out of alignment and any misalignment- no matter how slight- can have big implications on the performance of the link joining the Polio EOC to the carrier network.<\/p>\n<p style=\"font-variant-ligatures: normal; font-variant-caps: normal; font-family: 'Noto Sans'; font-size: 15px; font-style: normal; font-weight: 400;\">So I set about adjusting them with a Nigerian Network Engineer colleague.<\/p>\n<p style=\"font-variant-ligatures: normal; font-variant-caps: normal; font-family: 'Noto Sans'; font-size: 15px; font-style: normal; font-weight: 400;\">He&#8217;d climb up one mast, I&#8217;d climb up the other and we&#8217;d communicate over Bluetooth headsets to align the radios.<\/p>\n<p style=\"font-variant-ligatures: normal; font-variant-caps: normal; font-family: 'Noto Sans'; font-size: 15px; font-style: normal; font-weight: 400;\">While working, I&#8217;d keep my head swivelling looking for long procession of motorcycles driven by murderous, bearded nutters headed in my direction.<\/p>\n<p style=\"font-variant-ligatures: normal; font-variant-caps: normal; font-family: 'Noto Sans'; font-size: 15px; font-style: normal; font-weight: 400;\">A Network Engineer was shot off of a mast in Katsina a few weeks prior to my working up a mast there there to add Katsina to the WAN. A group of French expats were wiped out in Katsina; they stayed in the same place too long.<\/p>\n<p style=\"font-variant-ligatures: normal; font-variant-caps: normal; font-family: 'Noto Sans'; font-size: 15px; font-style: normal; font-weight: 400;\">Even driving to\/from locations was risky: Boko Harem would masquerade as the Police or military and if you strayed into one of these fake roadblocks. And travelling a night between towns is so dangerous the military and police will not move between sunset and sunrise. So staying in situ too long can be risky, but so too can trying to leave at night&#8230;<\/p>\n<p style=\"font-variant-ligatures: normal; font-variant-caps: normal; font-family: 'Noto Sans'; font-size: 15px; font-style: normal; font-weight: 400;\">All this was in addition to the risk of working untethered at great heights and potentially having the rebar you&#8217;re standing on give-way due to a brittle weld. And the mechanics of aligning the radios means one hand is turning a wrench, and therefore not holding onto the mast \ud83d\ude09<\/p>\n<p style=\"font-variant-ligatures: normal; font-variant-caps: normal; font-family: 'Noto Sans'; font-size: 15px; font-style: normal; font-weight: 400;\">But between us, we restored reliability and the links were significantly more performant &amp; reliable for our efforts.<\/p>\n<p>\u00a0<\/p><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-tab-title elementor-tab-mobile-title\" aria-selected=\"false\" data-tab=\"2\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-2602\" aria-expanded=\"false\">LAN<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2602\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-2602\" tabindex=\"0\" hidden=\"hidden\"><p style=\"font-variant-ligatures: normal; font-variant-caps: normal; font-family: &quot;Noto Sans&quot;; font-size: 15px; font-style: normal; font-weight: 400;\">I administrated a multi-storey wireless network with a large user-base in Kano. Upon arrival, network users complained about reliability issues, in particular random disconnections.<\/p><p style=\"font-variant-ligatures: normal; font-variant-caps: normal; font-family: &quot;Noto Sans&quot;; font-size: 15px; font-style: normal; font-weight: 400;\">Investigation revealed that the Ubiquiti UniFi Access Points were &#8220;Load Balancing&#8221;: after 30 users connected to an AP&#8217;s radio- 5GHz or 2.4 GHz- any new user connecting to it would result in an existing user being booted off of the AP. Further review revealed that both the number, capacity use and placement of the APs were also causing reliability and performance issues.&nbsp; That&#8217;s to say that not only were there an insufficient number of APs, but the 5GHz radios on each of them were lightly loaded or completely unused.&nbsp;<\/p><p style=\"font-variant-ligatures: normal; font-variant-caps: normal; font-family: &quot;Noto Sans&quot;; font-size: 15px; font-style: normal; font-weight: 400;\">Since the laptops had 5 GHz connectivity but most other devices&#8217; connectivity was only 2.4 GHZ, by forcing the laptops on to the AP&#8217;s 5 GHz radios by setting a preference in their wifi driver, I maximized the potential use-capacity to the 60 users per AP- 30 for each radio.&nbsp; I also added additional APs and created a spatial matrix to optimize placement of them ensuring that adjacent APs were on non-overlapping WiFi channels. Both reliability and performance of the Kano LAN improved materially and palpably to network users.<\/p><p style=\"font-variant-ligatures: normal; font-variant-caps: normal; font-family: &quot;Noto Sans&quot;; font-size: 15px; font-style: normal; font-weight: 400;\">Also implemented queues on the routers to prioritize and limit traffic to protect the bandwidth of the most mission-critical users which were largely the GIS team. By the time I left, the Wild West Network had been (largely) tamed&#8230;<\/p><\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Dual-Stack IPv4\/6 Office, Building &amp; Campus Networking A secure, performant, reliable and most importantly FUTURE-PROOF network requires a planner with experience. F1Linux has it:&nbsp;single office, multi-floor and even campus networking&nbsp;with with hundreds of users. Making good subnetting choices when partitioning the network, choosing appropriate hardware, and in respect to wireless networking, relative physical emplacement of 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