{"id":18713,"date":"2021-08-04T18:00:00","date_gmt":"2021-08-04T18:00:00","guid":{"rendered":"https:\/\/made4it.com.br\/blog\/blackhole-bgp-huawei-huawei-ne20-huawei-ne40-huawei-ne8000-ne8k\/"},"modified":"2026-06-29T19:40:41","modified_gmt":"2026-06-29T19:40:41","slug":"blackhole-bgp-huawei-huawei-ne20-huawei-ne40-huawei-ne8000-ne8k","status":"publish","type":"post","link":"https:\/\/made4it.com.br\/es\/blog\/blackhole-bgp-huawei-huawei-ne20-huawei-ne40-huawei-ne8000-ne8k\/","title":{"rendered":"Blackhole BGP \u2013 Huawei (Huawei NE20, Huawei NE40, Huawei NE8000\/NE8k)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Ahora que sabe qu\u00e9 es un <strong>blackhole<\/strong> <strong>BGP<\/strong> <a href=\"https:\/\/made4it.com.br\/es\/blog\/rtbh-agujero-negro-que-es\/\" class=\"rank-math-link\">(si a\u00fan no lo sabe, consulte nuestro art\u00edculo sobre RTBH &#8211; Blackhole).<\/a> Ahora toca configurarlo y poder protegerte de los ataques DDoS. <\/p>\n\n<p class=\"wp-block-paragraph\">Para resumir el Blackhole, <strong>es una t\u00e9cnica de enviar una ruta al \u201cagujero negro\u201d o simplemente hacer que el router descarte paquetes dirigidos a esa IP.<\/strong> Con el blackhole tambi\u00e9n puede anunciar estas IP atacadas a sus proveedores\/ascendentes y as\u00ed detener los ataques. <\/p>\n\n<p class=\"wp-block-paragraph\">Ahora que ya s\u00e9 en qu\u00e9 consiste, surge la pregunta: \u00bfc\u00f3mo se configura Blackhole en mi router? En el art\u00edculo de hoy le mostraremos <strong>c\u00f3mo configurar Blackhole en routers Huawei.<\/strong> <\/p>\n\n<p class=\"wp-block-paragraph\"><br\/><strong>Para hacer el Blackhole manualmente tenemos unos pasos que son:<\/strong><\/p>\n\n<ol class=\"wp-block-list\">\n<li>Identificar la IP atacada<\/li>\n\n\n\n<li>Crear ruta al blackhole<\/li>\n\n\n\n<li>Anuncie esta ruta de agujero negro a trav\u00e9s de BGP a sus operadores\/ascendentes<\/li>\n<\/ol>\n\n<p class=\"wp-block-paragraph\">Puedes automatizar todo esto con <a href=\"https:\/\/www.made4it.com.br\/made4flow-analisador-de-netflow\/\" class=\"rank-math-link\">Made4Flow<\/a>, ya cerrando una sesi\u00f3n directa y sin tener que hacer trabajo manual.<\/p>\n\n<p class=\"wp-block-paragraph\">Si desea saber c\u00f3mo automatizar todo con Made4Flow, consulte nuestro pr\u00f3ximo art\u00edculo.<\/p>\n\n<p class=\"wp-block-paragraph\">Vamos a la configuraci\u00f3n entonces<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>1 \u2013 Identificar la IP atacada<\/strong><\/p>\n\n<p class=\"wp-block-paragraph\">Puede hacerlo mediante el an\u00e1lisis de Netflow, con Made4Flow, a trav\u00e9s de los gr\u00e1ficos, e identificar, mediante el Informe de datos brutos, qu\u00e9 direcci\u00f3n IP presenta un mayor tr\u00e1fico y podr\u00eda ser la v\u00edctima del ataque.<br\/><br\/>Dentro de Made4Flow, acceda, por ejemplo, al gr\u00e1fico de interfaz por aplicaci\u00f3n y, a continuaci\u00f3n, al hacer clic en el puerto m\u00e1s utilizado, podr\u00e1 identificar qu\u00e9 direcci\u00f3n IP est\u00e1 siendo atacada.<\/p>\n\n<p class=\"wp-block-paragraph\">O a trav\u00e9s de Made4Flow, simplemente accediendo al m\u00f3dulo Anti-DDoS -&gt; Anomal\u00edas Activas<\/p>\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.made4it.com.br\/wp-content\/uploads\/2021\/07\/1.png\"><img decoding=\"async\" src=\"https:\/\/www.made4it.com.br\/wp-content\/uploads\/2021\/07\/1.png\" alt=\"\" class=\"wp-image-1800\"\/><\/a><\/figure>\n\n<p class=\"wp-block-paragraph\">La IP atacada fue: 200.189.56.55 (Ejemplo)<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>2) Cree una ruta a blackhole o Null0<\/strong><\/p>\n\n<p class=\"wp-block-paragraph\">Despu\u00e9s de identificar la IP atacada a trav\u00e9s de Made4Flow, ahora es el momento de crear la ruta en su enrutador Huawei para reproducir efectivamente la IP en Blackhole.<\/p>\n\n<p class=\"wp-block-paragraph\">Supongamos que la IP atacada es 200.200.200.1, creemos la ruta de la siguiente manera<\/p>\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.made4it.com.br\/wp-content\/uploads\/2021\/07\/2.png\"><img decoding=\"async\" src=\"https:\/\/www.made4it.com.br\/wp-content\/uploads\/2021\/07\/2.png\" alt=\"\" class=\"wp-image-1801\"\/><\/a><\/figure>\n\n<p class=\"wp-block-paragraph\">Comandos aplicados:<\/p>\n\n<p class=\"wp-block-paragraph\">system-view<br\/>ip route-static 200.200.200.1 32 null 0<\/p>\n\n<p class=\"wp-block-paragraph\">\u00a1Despu\u00e9s de aplicar la ruta que apunta a Null0, esta IP <strong>DEJAR\u00c1 DE FUNCIONAR!<\/strong><\/p>\n\n<p class=\"wp-block-paragraph\">Puede comprobar la ruta utilizando el comando de visualizaci\u00f3n:<br\/><br\/>. Si la ruta se encuentra en la interfaz Null0, ya la est\u00e1 enviando a Blackhole.<\/p>\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.made4it.com.br\/wp-content\/uploads\/2021\/07\/3.png\"><img decoding=\"async\" src=\"https:\/\/www.made4it.com.br\/wp-content\/uploads\/2021\/07\/3.png\" alt=\"\" class=\"wp-image-1802\"\/><\/a><\/figure>\n\n<p class=\"wp-block-paragraph\"><strong>3 &#8211; Anuncie la IP en blackhole a trav\u00e9s de BGP a sus operadores\/upstreams<\/strong><\/p>\n\n<p class=\"wp-block-paragraph\">Despu\u00e9s de identificar y bloquear la ruta, debe anunciar a trav\u00e9s de BGP a sus operadores\/upstreams.<\/p>\n\n<p class=\"wp-block-paragraph\">Antes de la configuraci\u00f3n, siempre se recomienda ponerse en contacto con su operador o proveedor de acceso para averiguar cu\u00e1l es la comunidad BGP de Blackhole.<br\/><br\/>\u00a1La sesi\u00f3n BGP con su operador debe estar establecida!<\/p>\n\n<p class=\"wp-block-paragraph\">Para esto, tenemos algunos pasos:<\/p>\n\n<ol class=\"wp-block-list\">\n<li>Crear la red dentro de BGP<\/li>\n<\/ol>\n\n<p class=\"wp-block-paragraph\">Para crear debe acceder a BGP y crear con el comando de red<\/p>\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.made4it.com.br\/wp-content\/uploads\/2021\/07\/4.png\"><img decoding=\"async\" src=\"https:\/\/www.made4it.com.br\/wp-content\/uploads\/2021\/07\/4.png\" alt=\"\" class=\"wp-image-1803\"\/><\/a><\/figure>\n\n<p class=\"wp-block-paragraph\">Comandos:<\/p>\n\n<p class=\"wp-block-paragraph\">System-view<br\/>bgp 65000<br\/>network 200.200.200.1 32<\/p>\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>Configurar una lista de prefijos\/prefijos de ip con la IP atacada<\/li>\n<\/ol>\n\n<p class=\"wp-block-paragraph\">Para configurar una pol\u00edtica de ruta de una manera sencilla para enviar una IP, debe crear un prefijo de IP para usar dentro de la Route-policy<\/p>\n\n<p class=\"wp-block-paragraph\">En nuestro ejemplo, donde se ataca la IP 200.200.200.1\/32, usaremos el siguiente comando:<\/p>\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.made4it.com.br\/wp-content\/uploads\/2021\/07\/5.png\"><img decoding=\"async\" src=\"https:\/\/www.made4it.com.br\/wp-content\/uploads\/2021\/07\/5.png\" alt=\"\" class=\"wp-image-1804\"\/><\/a><\/figure>\n\n<p class=\"wp-block-paragraph\">Comando: ip ip-prefix IP-ATACADO permit 200.200.200.1 32<\/p>\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>Configure su Route-Policy para enviar el anuncio de IP atacado<\/li>\n<\/ol>\n\n<p class=\"wp-block-paragraph\">Antes de configurar la pol\u00edtica de enrutamiento, debe identificar en qu\u00e9 nodo (secuencia) se ubicar\u00e1. Debe colocarla en una posici\u00f3n en la que no haya ninguna regla de denegaci\u00f3n anterior; como sugerencia, le recomiendo que la coloque en primer lugar en la pol\u00edtica de enrutamiento. <\/p>\n\n<p class=\"wp-block-paragraph\">Para identificar el nombre correcto, mire su route-policy y eval\u00fae el n\u00famero, usando el comando:<\/p>\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.made4it.com.br\/wp-content\/uploads\/2021\/07\/6.png\"><img decoding=\"async\" src=\"https:\/\/www.made4it.com.br\/wp-content\/uploads\/2021\/07\/6.png\" alt=\"\" class=\"wp-image-1805\"\/><\/a><\/figure>\n\n<p class=\"wp-block-paragraph\">Comando: display current-configuration configuration route-policy OPERADOR-XPTO-OUT<\/p>\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.made4it.com.br\/wp-content\/uploads\/2021\/07\/7.png\"><img decoding=\"async\" src=\"https:\/\/www.made4it.com.br\/wp-content\/uploads\/2021\/07\/7.png\" alt=\"\" class=\"wp-image-1806\"\/><\/a><\/figure>\n\n<p class=\"wp-block-paragraph\">En nuestro caso ser\u00e1 el nodo con un n\u00famero inferior a 1000 el que se colocar\u00e1 antes que otras configuraciones. Se realiz\u00f3 la siguiente configuraci\u00f3n: <br\/><br\/>Comandos:<\/p>\n\n<p class=\"wp-block-paragraph\">route-policy OPERADORA-XPTO-OUT permit node 100<br\/>if-match ip-prefix IP-ATACADO<br\/>apply community 666:666<\/p>\n\n<p class=\"wp-block-paragraph\">Los comandos if-match hacen que el enrutador de Huawei verifique el prefijo IP, lo que indica que solo las direcciones IP dentro de la lista de prefijos se anunciar\u00e1n a trav\u00e9s de BGP. En el comando apply community, dice aplicar la comunidad BGP a las IP que coincidieron con el prefijo ip. <\/p>\n\n<p class=\"wp-block-paragraph\">Nuestro operador XPTO utiliza BGP 666:666 de la comunidad para enviar tr\u00e1fico a Blackhole<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Sugerencia<\/strong>: \u00a1Hable con su operador para averiguar qu\u00e9 comunidad de agujero negro BGP utilizan!<\/p>\n\n<p class=\"wp-block-paragraph\">Una vez hecho esto, la IP quedar\u00e1 en \u00abblackhole\u00bb y se notificar\u00e1 a su operador; el ataque cesar\u00e1 si se dirige \u00fanicamente a esta IP.<br\/><br\/>La configuraci\u00f3n completa qued\u00f3 de la siguiente manera:<br\/><\/p>\n\n<p class=\"wp-block-paragraph\">bgp 65000<br\/>#<br\/>ipv4-family unicast<br\/>undo synchronization<br\/>network 200.200.200.0 255.255.252.0<br\/>network 200.200.200.1 255.255.255.255<br\/>#<br\/>route-policy OPERADORA-XPTO-OUT permit node 100<br\/>if-match ip-prefix IP-ATACADO<br\/>apply community 666:666<br\/>#<br\/>route-policy OPERADORA-XPTO-OUT permit node 1000<br\/> if-match ip-prefix MI-BLOQUE<br\/>#<br\/>route-policy OPERADORA-XPTO-OUT deny node 50000<br\/>#<br\/>ip ip-prefix MI-BLOQUE index 10 permit 200.200.200.0 22<br\/>ip ip-prefix IP-ATACADO index 10 permit 200.200.200.1 32<br\/>#<br\/>ip route-static 200.200.200.0 255.255.252.0 NULL0<br\/>ip route-static 200.200.200.1 255.255.255.255 NULL0<\/p>\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>Automatizando con Made4Flow<\/strong><\/p>\n\n<p class=\"wp-block-paragraph\">Con Made4Flow es posible automatizar el proceso de notificaci\u00f3n a Blackhole de las direcciones IP atacadas.<br\/><br\/>Para ello necesitamos:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Configurar sesi\u00f3n BGP entre Edge Router y Made4Flow<\/strong><\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Para configurar la sesi\u00f3n BGP entre el enrutador y Made4Flow, debe crear una pol\u00edtica de ruta y luego la sesi\u00f3n BGP<\/p>\n\n<p class=\"wp-block-paragraph\">Para configurar la route-policy:<br\/><\/p>\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.made4it.com.br\/wp-content\/uploads\/2021\/07\/8.png\"><img decoding=\"async\" src=\"https:\/\/www.made4it.com.br\/wp-content\/uploads\/2021\/07\/8.png\" alt=\"\" class=\"wp-image-1807\"\/><\/a><\/figure>\n\n<p class=\"wp-block-paragraph\"><br\/>Comando: route-policy MADE4FLOW-IN permit node 1000<\/p>\n\n<p class=\"wp-block-paragraph\"> apply ip-address next-hop 192.168.66.66<\/p>\n\n<p class=\"wp-block-paragraph\">En este caso, es necesario agregar Next-hop manualmente en el enrutador.<\/p>\n\n<p class=\"wp-block-paragraph\">Dentro de Made4Flow, ya puede anunciarse con la comunidad BGP y Next-hop correcta si lo prefiere.<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Configurar Made4Flow para enviar a trav\u00e9s de Acciones<\/strong><\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Dentro del M\u00f3dulo Anti-DDoS, puede acceder al men\u00fa: Acciones y Respuestas y configurar la respuesta para enviar el Blackhole con la comunidad BGP correcta:<br\/><\/p>\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.made4it.com.br\/wp-content\/uploads\/2021\/07\/9.png\"><img decoding=\"async\" src=\"https:\/\/www.made4it.com.br\/wp-content\/uploads\/2021\/07\/9.png\" alt=\"\" class=\"wp-image-1808\"\/><\/a><\/figure>\n\n<ul class=\"wp-block-list\">\n<li><strong>Configure el enrutador para enviar a los operadores<\/strong><\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Para configurar el env\u00edo a operadores\/aguas arriba, debe configurarlo para que la comunidad BGP se identifique en el caso de coincidencia de la pol\u00edtica de ruta saliente.<\/p>\n\n<p class=\"wp-block-paragraph\">Para esto necesitamos configurar un filtro de community-filter<\/p>\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.made4it.com.br\/wp-content\/uploads\/2021\/07\/10.png\"><img decoding=\"async\" src=\"https:\/\/www.made4it.com.br\/wp-content\/uploads\/2021\/07\/10.png\" alt=\"\" class=\"wp-image-1809\"\/><\/a><\/figure>\n\n<p class=\"wp-block-paragraph\">El siguiente paso consiste en configurar la pol\u00edtica de enrutamiento (Route-policy) de su operador o proveedor de acceso, al igual que en el env\u00edo del \u00abblackhole\u00bb, pero ahora combin\u00e1ndolo con \u00abcommunity\u00bb en el \u00abif-match\u00bb, tal y como se muestra en nuestra configuraci\u00f3n:<br\/><br\/>Para comprobar si est\u00e1 enviando el anuncio al operador, utilice los siguientes comandos:<\/p>\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.made4it.com.br\/wp-content\/uploads\/2021\/07\/11.png\"><img decoding=\"async\" src=\"https:\/\/www.made4it.com.br\/wp-content\/uploads\/2021\/07\/11.png\" alt=\"\" class=\"wp-image-1810\"\/><\/a><\/figure>\n\n<p class=\"wp-block-paragraph\">Compruebe si recibe de Made4Flow<\/p>\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.made4it.com.br\/wp-content\/uploads\/2021\/07\/12.png\"><img decoding=\"async\" src=\"https:\/\/www.made4it.com.br\/wp-content\/uploads\/2021\/07\/12.png\" alt=\"\" class=\"wp-image-1811\"\/><\/a><\/figure>\n\n<p class=\"wp-block-paragraph\">Comando: display bgp routing-table peer 192.168.120.2 received-routes<\/p>\n\n<p class=\"wp-block-paragraph\">Y si vas a enviar al transportista:<\/p>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.made4it.com.br\/wp-content\/uploads\/2021\/07\/13.png\"><img decoding=\"async\" src=\"https:\/\/www.made4it.com.br\/wp-content\/uploads\/2021\/07\/13.png\" alt=\"\" class=\"wp-image-1812\"\/><\/a><\/figure>\n\n<p class=\"wp-block-paragraph\">Comando: display bgp routing-table peer 192.168.100.1 advertised-route<\/p>\n\n<p class=\"wp-block-paragraph\">Una vez realizados estos ajustes, la automatizaci\u00f3n de Made4Flow est\u00e1 lista. Al recibir un ataque, Made4Flow ahora puede enviar esta ruta a Blackhole.<\/p>\n\n<p class=\"wp-block-paragraph\">Para hacerlo m\u00e1s f\u00e1cil, tenemos el video a continuaci\u00f3n, que muestra en la pr\u00e1ctica c\u00f3mo configurar el Router Huawei con Blackhole.<\/p>\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Como configurar Blackhole em roteadores Huawei\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/b_icgqu-Elc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n<p class=\"wp-block-paragraph\"><strong>Si tiene alguna duda, no dude en ponerse en contacto con nosotros a trav\u00e9s de <a href=\"https:\/\/api.whatsapp.com\/send?phone=43988477972\" target=\"_blank\" rel=\"noopener\" title=\"\">WhatsApp<\/a>, las redes sociales o el correo electr\u00f3nico<\/strong><\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Hasta la pr\u00f3xima.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00f3mo configurar un agujero negro BGP en Huawei (Huawei NE20, Huawei NE40, Huawei NE8000\/NE8k)<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1217],"tags":[],"class_list":["post-18713","post","type-post","status-publish","format-standard","hentry","category-sin-categoria"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.9 - 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