{"id":1968,"date":"2022-10-12T05:41:00","date_gmt":"2022-10-12T12:41:00","guid":{"rendered":"http:\/\/localhost\/jmcristobal\/?p=1925"},"modified":"2023-02-23T07:55:50","modified_gmt":"2023-02-23T15:55:50","slug":"configure-serial-interface-with-encapsulation-hdlc","status":"publish","type":"post","link":"http:\/\/ec2-52-7-70-250.compute-1.amazonaws.com\/es\/2022\/10\/12\/configure-serial-interface-with-encapsulation-hdlc\/","title":{"rendered":"Configurar interfaz serial con encapsulaci\u00f3n HDLC"},"content":{"rendered":"<p>Cisco High-Level Data Link Controller (HDLC) es el protocolo propietario de Cisco para el env\u00edo de datos a trav\u00e9s de enlaces seriales s\u00edncronos. Cisco HDLC es el valor predeterminado para la encapsulaci\u00f3n de datos en la capa 2 (enlace de datos) del modelo interconexi\u00f3n de sistemas abiertos (OSI) para la delineaci\u00f3n eficiente de paquetes y control de errores.<\/p>\n\n\n\n<p>Para configurar la encapsulaci\u00f3n HDLC es:<\/p>\n\n\n\n<h5><strong>Paso 1.- Especifica la interfaz serial y entra en el modo de configuraci\u00f3n de interfaz.<\/strong><\/h5>\n\n\n\n<p class=\"has-small-font-size\"><kbd>Router(config)# interface serial wic\/slot\/port<\/kbd><\/p>\n\n\n\n<h5><strong>Paso 2.- Configura la encapsulaci\u00f3n serie s\u00edncrona.<\/strong><\/h5>\n\n\n\n<p class=\"has-small-font-size\"><kbd>Router(config-if)# encapsulation { hdlc | frame-relay | ppp }<\/kbd><\/p>\n\n\n\n<p>El comando anterior s\u00f3lo es necesario si la encapsulaci\u00f3n no es HDLC; recuerde que la encapsulaci\u00f3n HDLC es la predeterminada.<\/p>\n\n\n\n<h5><strong>Comandos debug<\/strong><\/h5>\n\n\n\n<p class=\"has-small-font-size\"><kbd>show interface serial wic\/slot\/port <\/kbd><br><kbd>show controllers serial wic\/slot\/port <\/kbd><\/p>\n\n\n\n<h5><strong>Ejemplo:<\/strong><\/h5>\n\n\n\n<div class=\"wp-block-image size-full is-style-rounded\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" width=\"546\" height=\"170\" src=\"https:\/\/jmcristobal.com\/wp-content\/uploads\/2023\/02\/Serial-Topology.png\" alt=\"\" class=\"wp-image-1975\" srcset=\"https:\/\/ec2-52-7-70-250.compute-1.amazonaws.com\/wp-content\/uploads\/2023\/02\/Serial-Topology.png 546w, https:\/\/ec2-52-7-70-250.compute-1.amazonaws.com\/wp-content\/uploads\/2023\/02\/Serial-Topology-300x93.png 300w, https:\/\/ec2-52-7-70-250.compute-1.amazonaws.com\/wp-content\/uploads\/2023\/02\/Serial-Topology-18x6.png 18w\" sizes=\"(max-width: 546px) 100vw, 546px\" \/><\/figure><\/div>\n\n\n\n<p><strong>Config R1<\/strong>:<\/p>\n\n\n\n<p class=\"has-small-font-size\"><kbd>R1(config)#interface serial 0\/2\/0<br>R1(config-if)#encapsulation hdlc<br>R1(config-if)#clock rate 64000<br>R1(config-if)#ip address 10.1.1.1 255.255.255.252<br>R1(config-if)#no shut<br>R1(config)#<\/kbd><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Config R<\/strong>2:<\/p>\n\n\n\n<p class=\"has-background has-small-font-size\" style=\"background-color:#abb7c200\"><kbd>R2(config)#interface serial 0\/1\/1<br>R2(config-if)#encapsulation hdlc<br>R2(config-if)#ip address 10.1.1.2 255.255.255.252<br>R2(config-if)#no shut<br>R2(config-if)#exit <br><br>%LINK-5-CHANGED: Interface Serial0\/1\/1, changed state to up<br>%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0\/1\/1, changed state to up<br><br>R2(config)#<\/kbd><\/p>\n\n\n\n<p><strong>Validaci\u00f3n:<\/strong><\/p>\n\n\n\n<p class=\"has-small-font-size\">R1#show interfaces serial 0\/2\/0<br><kbd><strong>Serial0\/2\/0 is up, line protocol is up (connected)<\/strong><br>Hardware is HD64570<br>Internet address is 10.1.1.1\/30<br>MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec,<br>reliability 255\/255, txload 1\/255, rxload 1\/255<br><strong>Encapsulation HDLC<\/strong>, loopback not set, keepalive set (10 sec)<br>Last input never, output never, output hang never<br>Last clearing of \"show interface\" counters never<\/kbd><\/p>\n\n\n\n<p class=\"has-small-font-size\"><kbd>R1#show controllers serial 0\/2\/0<br>Interface Serial0\/2\/0<br>Hardware is PowerQUICC MPC860<br><strong>DCE V.35, clock rate 64000<\/strong><br>idb at 0x81081AC4, driver data structure at 0x81084AC0<br>SCC Registers:<br>General [GSMR]=0x2:0x00000000, Protocol-specific [PSMR]=0x8<br>Events [SCCE]=0x0000, Mask [SCCM]=0x0000, Status [SCCS]=0x00<\/kbd><\/p>\n\n\n\n<p>Si hay alg\u00fan problema con la implementaci\u00f3n de HDLC, el estado del protocolo ser\u00e1 \"down\". Hay tres posibles razones:<\/p>\n\n\n\n<ul><li>El router del lado remoto no es un router Cisco.<\/li><li>El lado remoto est\u00e1 utilizando otro protocolo como PPP.<\/li><li>El dispositivo DCE no est\u00e1 proporcionando velocidad de reloj al dispositivo DTE.<\/li><\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p>Referencia:<\/p>\n\n\n\n<p><a href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/ios-xml\/ios\/interface\/configuration\/15-mt\/ir-15-mt-book\/ir-cfg-ser-if.html\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/ios-xml\/ios\/interface\/configuration\/15-mt\/ir-15-mt-book\/ir-cfg-ser-if.html<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Cisco High-Level Data Link Controller (HDLC) is the Cisco proprietary protocol for sending data over synchronous serial links. Cisco HDLC is the <\/p>","protected":false},"author":2,"featured_media":1922,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[595],"tags":[602,603,335,601],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.13 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Configure serial interface with encapsulation HDLC - JMCristobal<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jmcristobal.com\/2022\/10\/12\/configure-serial-interface-with-encapsulation-hdlc\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Configure serial interface with encapsulation HDLC - JMCristobal\" \/>\n<meta property=\"og:description\" content=\"Cisco High-Level Data Link Controller (HDLC) is the Cisco proprietary protocol for sending data over synchronous serial links. 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