{"id":1606,"date":"2022-03-09T09:11:00","date_gmt":"2022-03-09T17:11:00","guid":{"rendered":"https:\/\/jmcristobal.com\/?p=1606"},"modified":"2022-03-09T10:41:15","modified_gmt":"2022-03-09T18:41:15","slug":"configuring-snmp-on-cisco-ios","status":"publish","type":"post","link":"https:\/\/d1gdqjscev06po.cloudfront.net\/es\/2022\/03\/09\/configuring-snmp-on-cisco-ios\/","title":{"rendered":"Configuring SNMP on Cisco IOS"},"content":{"rendered":"

Simple Network Management Protocol (SNMP)<\/p>\n\n\n\n

Configuring SNMPv2C <\/strong><\/h5>\n\n\n\n

Los siguientes comandos se utilizan para configurar SNMPv2C:<\/p>\n\n\n\n

Switch(config)# snmp-server host host-address [ informs] version 2c community-string <\/kbd>
Switch(config)# snmp-server community string [ ro | rw] [ access-list-number] <\/kbd><\/p>\n\n\n\n

<\/p>\n\n\n\n

Se puede limitar con una lista de acceso los hosts que pueden acceder por SNMP con la siguiente comando<\/p>\n\n\n\n

Switch(config)# access-list access-list-number permit ip-addr <\/kbd><\/p>\n\n\n\n

<\/p>\n\n\n\n

La accesss-list es opcional.<\/p>\n\n\n\n

Ejemplo:<\/strong><\/h6>\n\n\n\n

Switch(config)# access-list 10 permit 10.1.1.1 <\/kbd>
Switch(config)# snmp-server community MyCommunity ro 10 <\/kbd>
Switch(config)# snmp-server host 10.1.1.1 version 2c MyCommunity<\/kbd><\/p>\n\n\n\n

<\/p>\n\n\n\n

Configuring SNMPv3<\/strong><\/h5>\n\n\n\n

SNMPv3 utiliza un usuario\/grupo y niveles de seguridad para intercambiar sus mensajes. Adem\u00e1s podemos utilizar vistas para delimitar las OIDs intercambiadas.<\/p>\n\n\n\n

Los niveles de seguridad de SNMPv3 son:<\/p>\n\n\n\n

  • noauth:<\/strong> los paquetes SNMP no se autentican ni se cifran.
    <\/li>
  • auth:<\/strong> los paquetes SNMP est\u00e1n autenticados pero no cifrados.
    <\/li>
  • priv:<\/strong> los paquetes SNMP est\u00e1n autenticados y encriptados.
    <\/li><\/ul>\n\n\n\n

    La recomendaci\u00f3n es utilizar el nivel de seguridad priv siempre que sea posible, veamos cuales son los comandos para configurar SNMPv3<\/p>\n\n\n\n

    Definir una vista SNMPv3<\/p>\n\n\n\n

    Switch(config)# snmp-server view view-name oid-tree<\/kbd><\/p>\n\n\n\n

    <\/p>\n\n\n\n

    Definir un grupo de usuarios<\/p>\n\n\n\n

    Switch(config)# snmp-server group group-name v3 { noauth | auth | priv } [ read read-view ] [ write write-view ] [ notify notify-view ] [ access access access-list ]<\/kbd><\/p>\n\n\n\n

    <\/p>\n\n\n\n

    Definir un usuario<\/p>\n\n\n\n

    Switch(config)# snmp-server user user-name group-name v3 auth {md5 | sha auth-password priv { des | 3des | aes { 128 | 192 | 256 } priv-password [ access-list ]<\/kbd><\/p>\n\n\n\n

    <\/p>\n\n\n\n

    Define an SNMPv3 trap or inform receiver.<\/p>\n\n\n\n

    Switch(config)# snmp-server host host-address [ informs ] version 3 { noauth | auth | priv } user-name [ trap-type ]<\/kbd><\/p>\n\n\n\n

    <\/p>\n\n\n\n

    Ejemplo sencillo de SNMPv3 para enviar alertas al servidor 10.1.1.1 usando el nivel de seguridad priv y el nombre de usuario MyUser:<\/p>\n\n\n\n

    Switch(config)# snmp-server group MyGroup v3 priv
    Switch(config)# snmp-server user MyUser MyGroup v3 auth sha MyPassAuth priv aes 128 MyPassAuth
    Switch(config)# snmp-server host 10.1.1.1 informs version 3 priv MyUser<\/kbd><\/p>\n\n\n\n

    <\/p>","protected":false},"excerpt":{"rendered":"

    Simple Network Management Protocol (SNMP) Configuring SNMPv2C  The following commands are used to configure SNMPv2C: Switch(config)# snmp-server host host-address [ informs] version <\/p>","protected":false},"author":2,"featured_media":1392,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[233],"tags":[280,281,340,407,420,427],"yoast_head":"\nConfiguring SNMP on Cisco IOS - 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=\"http:\/\/ec2-52-7-70-250.compute-1.amazonaws.com\/es\/2022\/03\/09\/configuring-snmp-on-cisco-ios\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Configuring SNMP on Cisco IOS - JMCristobal\" \/>\n<meta property=\"og:description\" content=\"Simple Network Management Protocol (SNMP) Configuring SNMPv2C  The following commands are used to configure SNMPv2C: Switch(config)# snmp-server host host-address [ informs] version\" \/>\n<meta property=\"og:url\" content=\"http:\/\/ec2-52-7-70-250.compute-1.amazonaws.com\/es\/2022\/03\/09\/configuring-snmp-on-cisco-ios\/\" \/>\n<meta property=\"og:site_name\" content=\"JMCristobal\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/web.facebook.com\/JMCristobalHomepage\" \/>\n<meta property=\"article:published_time\" content=\"2022-03-09T17:11:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-03-09T18:41:15+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ec2-52-7-70-250.compute-1.amazonaws.com\/wp-content\/uploads\/2022\/01\/RS.png\" \/>\n\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t<meta property=\"og:image:height\" content=\"206\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"JMCristobal\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@jmcristobalhome\" \/>\n<meta name=\"twitter:site\" content=\"@jmcristobalhome\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"JMCristobal\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"http:\/\/ec2-52-7-70-250.compute-1.amazonaws.com\/es\/2022\/03\/09\/configuring-snmp-on-cisco-ios\/#article\",\"isPartOf\":{\"@id\":\"http:\/\/ec2-52-7-70-250.compute-1.amazonaws.com\/es\/2022\/03\/09\/configuring-snmp-on-cisco-ios\/\"},\"author\":{\"name\":\"JMCristobal\",\"@id\":\"https:\/\/52.7.70.250\/es\/#\/schema\/person\/e7cca8371cd491cf444cc824f30ae118\"},\"headline\":\"Configuring SNMP on Cisco IOS\",\"datePublished\":\"2022-03-09T17:11:00+00:00\",\"dateModified\":\"2022-03-09T18:41:15+00:00\",\"mainEntityOfPage\":{\"@id\":\"http:\/\/ec2-52-7-70-250.compute-1.amazonaws.com\/es\/2022\/03\/09\/configuring-snmp-on-cisco-ios\/\"},\"wordCount\":281,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/52.7.70.250\/es\/#organization\"},\"keywords\":[\"cisco\",\"cli\",\"ios\",\"router\",\"snmp\",\"switch\"],\"articleSection\":[\"Enterprise Infrastructure\"],\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"http:\/\/ec2-52-7-70-250.compute-1.amazonaws.com\/es\/2022\/03\/09\/configuring-snmp-on-cisco-ios\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"http:\/\/ec2-52-7-70-250.compute-1.amazonaws.com\/es\/2022\/03\/09\/configuring-snmp-on-cisco-ios\/\",\"url\":\"http:\/\/ec2-52-7-70-250.compute-1.amazonaws.com\/es\/2022\/03\/09\/configuring-snmp-on-cisco-ios\/\",\"name\":\"Configuring SNMP on Cisco IOS - 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