{"id":709,"date":"2012-10-01T00:00:00","date_gmt":"2012-10-01T00:00:00","guid":{"rendered":"https:\/\/fir3netwp.gmsrrpobkbd.com\/2012\/10\/01\/juniper-srx-how-to-configure-ethernet-switching\/"},"modified":"2021-07-24T18:11:56","modified_gmt":"2021-07-24T18:11:56","slug":"juniper-srx-how-to-configure-ethernet-switching","status":"publish","type":"post","link":"https:\/\/www.fir3net.com\/Firewalls\/Juniper\/juniper-srx-how-to-configure-ethernet-switching.html","title":{"rendered":"Juniper SRX &#8211; How to configure a trunk\/access port"},"content":{"rendered":"<p>On the SRX Branch Series each interface can be configured as either layer 2 or layer 3. These are shown below :<\/p>\n<ul>\n<li><strong>Routed Ports<\/strong> &#8211; Layer 3 (inet)<\/li>\n<li><strong>Bridge<\/strong> &#8211; Layer 2 (only used for transparent mode)<\/li>\n<li><strong>Ethernet-switching<\/strong> &#8211; Layer 2 (switchport)<\/li>\n<\/ul>\n<p>Within this article we will look at how to configure a trunk and access port as switchports (aka ethernet-switching).<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_65 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-662eb8c72c9ae\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-662eb8c72c9ae\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.fir3net.com\/Firewalls\/Juniper\/juniper-srx-how-to-configure-ethernet-switching.html\/#Trunk\" title=\"Trunk\">Trunk<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.fir3net.com\/Firewalls\/Juniper\/juniper-srx-how-to-configure-ethernet-switching.html\/#Access_Port\" title=\"Access Port\">Access Port<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.fir3net.com\/Firewalls\/Juniper\/juniper-srx-how-to-configure-ethernet-switching.html\/#Show_Commands\" title=\"Show Commands\">Show Commands<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.fir3net.com\/Firewalls\/Juniper\/juniper-srx-how-to-configure-ethernet-switching.html\/#show_ethernet-switching_interfaces\" title=\"show ethernet-switching interfaces\">show ethernet-switching interfaces<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.fir3net.com\/Firewalls\/Juniper\/juniper-srx-how-to-configure-ethernet-switching.html\/#show_interfaces_vlan_terse\" title=\"show interfaces vlan terse\">show interfaces vlan terse<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"Trunk\"><\/span><strong>Trunk<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Within this example we configure fe-0\/0\/0 as a trunk and only allow vlans 100, 110 and 120 across. Multiple layer 3 interfaces are then assigned to each of these vlans.<\/p>\n<p class=\"codemulti\">interfaces {<br \/>&nbsp;&nbsp;&nbsp; fe-0\/0\/0 {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; unit 0 {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; family ethernet-switching {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; port-mode trunk;<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; vlan {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; members [ vlan-100 vlan-110 vlan-120 ];<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp; vlan {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; unit 100 {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; family inet {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; address 10.1.100.1\/24;<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; unit 110 {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; family inet {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; address 10.1.110.1\/24;<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; unit 120 {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; family inet {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; address 10.1.120.1\/24;<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp; }<\/p>\n<p>Next each vlan created and assigned an id, and the previously created interface.<\/p>\n<p class=\"codemulti\">vlans {<br \/>&nbsp;&nbsp;&nbsp; vlan-120 {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; vlan-id 120;<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; l3-interface vlan.120;<br \/>&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp; vlan-110 {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; vlan-id 110;<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; l3-interface vlan.110;<br \/>&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp; vlan-100 {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; vlan-id 100;<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; l3-interface vlan.100;<br \/>&nbsp;&nbsp;&nbsp; }<br \/>}<\/p>\n<p><em><strong>Note<\/strong> : SRX clustering does not support ethernet-switching. Because of this if a L3 based trunk is needed then the following configuration can be used &#8211; <a href=\"http:\/\/forums.juniper.net\/t5\/SRX-Services-Gateway\/Inter-Vlan-routing-SRX-240\/m-p\/86340\/highlight\/true#M10501\">http:\/\/forums.juniper.net\/t5\/SRX-Services-Gateway\/Inter-Vlan-routing-SRX-240\/<\/a><\/em><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Access_Port\"><\/span><strong>Access Port<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Within this example we configure fe-0\/0\/1-7 as access-ports. Each port is assigned to the vlan-trust and finally a layer 3 interface is assigned to the vlan.<\/p>\n<p class=\"codemulti\">interfaces {<br \/>&nbsp;&nbsp;&nbsp; fe-0\/0\/1 {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; unit 0 {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; family ethernet-switching {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; vlan {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; members vlan-trust;<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp; fe-0\/0\/2 {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; unit 0 {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; family ethernet-switching {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; vlan {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; members vlan-trust;<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp; fe-0\/0\/3 {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; unit 0 {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; family ethernet-switching {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; vlan {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; members vlan-trust;<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp; fe-0\/0\/4 {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; unit 0 {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; family ethernet-switching {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; vlan {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; members vlan-trust;<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp; fe-0\/0\/5 {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; unit 0 {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; family ethernet-switching {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; vlan {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; members vlan-trust;<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp; fe-0\/0\/6 {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; unit 0 {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; family ethernet-switching {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; vlan {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; members vlan-trust;<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp; fe-0\/0\/7 {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; unit 0 {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; family ethernet-switching {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; vlan {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; members vlan-trust;<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp; vlan {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; unit 0 {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; family inet {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; address 10.1.1.100\/24;<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br \/>&nbsp;&nbsp;&nbsp; }<br \/>}<\/p>\n<p>Next the vlan is created and assigned an id, and the previously created interface.<\/p>\n<p class=\"codemulti\">vlans {<br \/>&nbsp;&nbsp;&nbsp; vlan-trust {<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; vlan-id 3;<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; l3-interface vlan.0;<br \/>&nbsp;&nbsp;&nbsp; }<br \/>}<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Show_Commands\"><\/span><strong>Show Commands<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Two commands that are great when either configuring ethernet switching on a Juniper SRX or troubleshooting are :<\/p>\n<h4><span class=\"ez-toc-section\" id=\"show_ethernet-switching_interfaces\"><\/span><strong>show ethernet-switching interfaces<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p class=\"codemulti\">root@srx&gt; show ethernet-switching interfaces<br \/>Interface&nbsp;&nbsp;&nbsp; State&nbsp; VLAN members&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Tag&nbsp;&nbsp; Tagging&nbsp; Blocking<br \/>fe-0\/0\/0.0&nbsp;&nbsp; up&nbsp;&nbsp;&nbsp;&nbsp; vlan-120 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 120&nbsp;&nbsp; tagged&nbsp;&nbsp; unblocked<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; vlan-110 &nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; 110&nbsp;&nbsp; tagged&nbsp;&nbsp; unblocked<br \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; vlan-100 &nbsp; &nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 100&nbsp;&nbsp; tagged&nbsp;&nbsp; unblocked<br \/>fe-0\/0\/1.0&nbsp;&nbsp; up&nbsp;&nbsp;&nbsp;&nbsp; vlan-trust&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3&nbsp;&nbsp;&nbsp;&nbsp; untagged unblocked<br \/>fe-0\/0\/2.0&nbsp;&nbsp; up&nbsp;&nbsp;&nbsp;&nbsp; vlan-trust&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3&nbsp;&nbsp;&nbsp;&nbsp; untagged unblocked<br \/>fe-0\/0\/3.0&nbsp;&nbsp; down&nbsp;&nbsp; vlan-trust&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3&nbsp;&nbsp;&nbsp;&nbsp; untagged unblocked<br \/>fe-0\/0\/4.0&nbsp;&nbsp; down&nbsp;&nbsp; vlan-trust&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3&nbsp;&nbsp;&nbsp;&nbsp; untagged unblocked<br \/>fe-0\/0\/5.0&nbsp;&nbsp; down&nbsp;&nbsp; vlan-trust&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3&nbsp;&nbsp;&nbsp;&nbsp; untagged unblocked<br \/>fe-0\/0\/6.0&nbsp;&nbsp; down&nbsp;&nbsp; vlan-trust&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3&nbsp;&nbsp;&nbsp;&nbsp; untagged unblocked<br \/>fe-0\/0\/7.0&nbsp;&nbsp; down&nbsp;&nbsp; vlan-trust&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3&nbsp;&nbsp;&nbsp;&nbsp; untagged unblocked<\/p>\n<h4><span class=\"ez-toc-section\" id=\"show_interfaces_vlan_terse\"><\/span><strong>show interfaces vlan terse<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p class=\"codemulti\">root@srx&gt; show interfaces vlan terse<br \/>Interface&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Admin Link Proto&nbsp;&nbsp;&nbsp; Local&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Remote<br \/>vlan&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; up&nbsp;&nbsp;&nbsp; up<br \/>vlan.0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; up&nbsp;&nbsp;&nbsp; up&nbsp;&nbsp; inet&nbsp;&nbsp;&nbsp;&nbsp; 10.1.1.100\/24<br \/>vlan.100&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; up&nbsp;&nbsp;&nbsp; up&nbsp;&nbsp; inet&nbsp;&nbsp;&nbsp;&nbsp; 10.1.100.1\/24<br \/>vlan.110&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; up&nbsp;&nbsp;&nbsp; up&nbsp;&nbsp; inet&nbsp;&nbsp;&nbsp;&nbsp; 10.1.110.1\/24<br \/>vlan.120&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; up&nbsp;&nbsp;&nbsp; up&nbsp;&nbsp; inet&nbsp;&nbsp;&nbsp;&nbsp; 10.1.120.1\/24<\/p>\n","protected":false},"excerpt":{"rendered":"<p>On the SRX Branch Series each interface can be configured as either layer 2 or layer 3. These are shown below : Routed Ports &#8211; Layer 3 (inet) Bridge &#8211; Layer 2 (only used for transparent mode) Ethernet-switching &#8211; Layer 2 (switchport) Within this article we will look at how to configure a trunk and &#8230; <a title=\"Juniper SRX &#8211; How to configure a trunk\/access port\" class=\"read-more\" href=\"https:\/\/www.fir3net.com\/Firewalls\/Juniper\/juniper-srx-how-to-configure-ethernet-switching.html\" aria-label=\"Read more about Juniper SRX &#8211; How to configure a trunk\/access port\">Read more<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Juniper SRX - How to configure a trunk\/access port - Fir3net<\/title>\n<meta name=\"description\" content=\"On the SRX Branch Series each interface can be configured as either layer 2 or layer 3. 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