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10160w,https://bitpuff.io/blog/router-controlplane-protection/thumb_hu_234614235fd3f749.png 2x" src=https://bitpuff.io/blog/router-controlplane-protection/thumb_hu_a266ae9c2e61a686.png width=160 height=120 loading=lazy></a></div><div><h3 class="flex items-center text-xl font-semibold"><a class="text-neutral-800 decoration-primary-500 hover:underline hover:underline-offset-2 dark:text-neutral" href=https://bitpuff.io/blog/router-controlplane-protection/>Routers: Control Plane protections and their implications</a></h3><div class="text-sm text-neutral-500 dark:text-neutral-400"><div class="flex flex-row flex-wrap items-center"><time datetime="2025-10-18 00:00:00 +0000 UTC">18 October 2025</time><span class="px-2 text-primary-500">&#183;</span><span title="Reading time">9 mins</span></div><div class="my-1 flex flex-wrap text-xs leading-relaxed text-neutral-500 dark:text-neutral-400"><a href=https://bitpuff.io/tags/post/ class="mx-1 my-1 rounded-md border border-neutral-200 px-1 py-[1px] hover:border-primary-300 hover:text-primary-700 dark:border-neutral-600 dar

10k:hover:border-primary-600 dark:hover:text-primary-400">post</a>
11<a href=https://bitpuff.io/tags/networking/ class="mx-1 my-1 rounded-md border border-neutral-200 px-1 py-[1px] hover:border-primary-300 hover:text-primary-700 dark:border-neutral-600 dark:hover:border-primary-600 dark:hover:text-primary-400">networking</a>
12<a href=https://bitpuff.io/tags/router/ class="mx-1 my-1 rounded-md border border-neutral-200 px-1 py-[1px] hover:border-primary-300 hover:text-primary-700 dark:border-neutral-600 dark:hover:border-primary-600 dark:hover:text-primary-400">router</a>
13<a href=https://bitpuff.io/tags/controlplane/ class="mx-1 my-1 rounded-md border border-neutral-200 px-1 py-[1px] hover:border-primary-300 hover:text-primary-700 dark:border-neutral-600 dark:hover:border-primary-600 dark:hover:text-primary-400">controlplane</a>
14<a href=https://bitpuff.io/tags/hardware/ class="mx-1 my-1 rounded-md border border-neutral-200 px-1 py-[1px] hover:border-primary-300 hover:text-primary-700 dark:border-neutral-600 dark:hover:border-primary-600 dark:hover:text-primary-400">hardware</a>
15<a href=https://bitpuff.io/tags/security/ class="mx-1 my-1 rounded-md border border-neutral-200 px-1 py-[1px] hover:border-primary-300 hover:text-primary-700 dark:border-neutral-600 dar

15k:hover:border-primary-600 dark:hover:text-primary-400">security</a>
16<a href=https://bitpuff.io/tags/dos/ class="mx-1 my-1 rounded-md border border-neutral-200 px-1 py-[1px] hover:border-primary-300 hover:text-primary-700 dark:border-neutral-600 dark:hover:border-primary-600 dark:hover:text-primary-400">dos</a>
17<a href=https://bitpuff.io/tags/qos/ class="mx-1 my-1 rounded-md border border-neutral-200 px-1 py-[1px] hover:border-primary-300 hover:text-primary-700 dark:border-neutral-600 dark:hover:border-primary-600 dark:hover:text-primary-400">qos</a></div></div><div class="prose py-1 dark:prose-invert">In this post we will explore why protecting the Control Plane of a switch/router is vital, some of their counter-measures and their implications.</div></div></article></section></main><div class="pointer-events-none absolute bottom-0 end-0 top-[100vh] w-12" id=to-top hidden=true><a href=#the-top class="pointer-events-auto sticky top-[calc(100vh-5.5rem)] flex h-12 w-12 items-center justify-center rounded-full bg-neutral/50 text-xl text-neutral-700 backdrop-blur hover:text-primary-600 dark:bg-neutral-800/50 dark:text-neutral dark:hover:text-primary-400" aria-label="Scroll to top" title="Scroll to top">&uarr;</a></div><footer class="py-10 print:hidden"><div class="flex items-center justify-between"><div><p class="text-sm text-neutral-500 dark:text-neutral-400">© 2025 bitpuff.io. Content licensed under <a href=https://creativecommons.org/licenses/by-nc/4.0/ target=_blank rel=noreferrer><em>Creative Commons CC BY-NC v4</em></a>.</p><p class="text-xs text-neutral-500 dark:text-neutral-400">Powered by <a class="hover:underline hover:decoration-primary-400 hover:text-primary-500" href=https://gohugo.io/ target=_blank rel="noopener noreferrer">Hugo</a> & <a class="hover:underline hover:decoration-primary-400 hover:text-primary-500" href=https://github.com/jpanther/congo target=_blank rel="noopener noreferrer">Congo</a></p></div><div class="flex flex-row items-center"><div class="me-14 cursor-pointer text-sm text-neutral-700 hover:text-primary-600 dark:text-neutral dark:hover:text-primary-400"><button id=appearance-switcher-0 type=button aria-label="appearance switcher"><div class="flex h-12 w-12 items-center justify-center dark:hidden" title="Switch to dark appearance"><span class="icon relative inline-block px-1 align-text-bottom"><svg viewBox="0 0 512 512"><path fill="currentColor" d="M32 256C32 132.2 132.3 32 255.8 32c11.36.0 29.7 1.668 40.9 3.746 9.616 1.777 11.75 14.63 3.279 19.44C245 86.5 211.2 144.6 211.2 207.8c0 109.7 99.71 193 208.3 172.3 9.561-1.805 16.28 9.324 10.11 16.95C387.9 448.6 324.8 480 255.8 480 132.1 480 32 379.6 32 256z"/></svg></span></div><div class="hidden h-12 w-12 items-center justify-center dark:flex" title="Switch to light appearance"><span class="icon relative inline-block px-1 align-text-bottom"><svg viewBox="0 0 512 512"><path fill="currentColor" d="M256 159.1c-53.02.0-95.1 42.98-95.1 95.1s41.2 96.9 95.1 96.9 95.1-42.98 95.1-95.1S309 159.1 256 159.1zM509.3 347l-63.2-91.9 63.15-91.01c6.332-9.125 1.104-21.74-9.826-23.72l-109-19.7-19.7-109c-1.975-10.93-14.59-16.16-23.72-9.824L256 65.89 164.1 2.736c-9.125-6.332-21.74-1.107-23.72 9.824L121.6 121.6 12.56 141.3C1.633 143.2-3.596 155.9 2.736 164.1L65.89 256 2.74 347.01c-6.332 9.125-1.105 21.74 9.824 23.72l109 19.7 19.7 109c1.975 10.93 14.59 16.16 23.72 9.824L256 446.1l91.01 63.15c9.127 6.334 21.75 1.107 23.72-9.822l19.7-109 109-19.7C510.4 368.8 515.6 356.1 509.3 347zM256 383.1c-70.69.0-127.1-57.31-127.1-127.1.0-70.69 57.31-127.1 127.1-127.1S383.1 186.2 383.1 256c0 70.7-56.4 127.1-127.1 127.1z"/></svg></span></div></button></div></div></div></footer><div id=search-wrapper class="invisible fixed inset-0 z-50 flex h-screen w-screen cursor-default flex-col bg-neutral-500/50 p-4 backdrop-blur-sm dark:bg-neutral-900/50 sm:p-6 md:p-[10vh] lg:p-[12vh]" data-url=https://bitpuff.io/><div id=search-modal class="top-20 mx-auto flex min-h-0 w-full max-w-3xl flex-col rounded-md border border-neutral-200 bg-neutral shadow-lg dark:border-neutral-700 dark:bg-neutral-800"><header class="relative z-10 flex flex-none items-center justify-between px-2"><form class="flex min-w-0 flex-auto items-center"><div class="flex h-8 w-8 items-center justify-center text-neutral-400"><span class="icon relative inline-block px-1 align-text-bottom"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="search" class="svg-inline--fa fa-search fa-w-16" role="img" viewBox="0 0 512 512">

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