{"id":784,"date":"2013-07-01T00:00:00","date_gmt":"2013-07-01T00:00:00","guid":{"rendered":"https:\/\/fir3netwp.gmsrrpobkbd.com\/2013\/07\/01\/juniper-srx-high-availability-active-passive-simple\/"},"modified":"2021-07-24T18:01:15","modified_gmt":"2021-07-24T18:01:15","slug":"juniper-srx-high-availability-active-passive-simple","status":"publish","type":"post","link":"https:\/\/www.fir3net.com\/Firewalls\/Juniper\/juniper-srx-high-availability-active-passive-simple.html","title":{"rendered":"Juniper SRX &#8211; High Availability (Active \/ Passive Simple)"},"content":{"rendered":"<p>The Juniper SRX offers 4 types of High Availability (HA) deployment,<\/p>\n<ul>\n<li>Active\/Passive Simple<\/li>\n<li>Active\/Passive Full Mesh<\/li>\n<li>Active\/Active Deployment<\/li>\n<li>Active\/Passive Transparent Mode<\/li>\n<\/ul>\n<p>Within this article we will look at Active\/Passive Simple upon a SRX 240 series device.<\/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-66284de6165bd\" 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-66284de6165bd\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.fir3net.com\/Firewalls\/Juniper\/juniper-srx-high-availability-active-passive-simple.html\/#Summary\" title=\"Summary\">Summary<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.fir3net.com\/Firewalls\/Juniper\/juniper-srx-high-availability-active-passive-simple.html\/#Overview\" title=\"Overview\">Overview<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.fir3net.com\/Firewalls\/Juniper\/juniper-srx-high-availability-active-passive-simple.html\/#Terms_Concepts\" title=\"Terms \/ Concepts\">Terms \/ Concepts<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.fir3net.com\/Firewalls\/Juniper\/juniper-srx-high-availability-active-passive-simple.html\/#Configuration_Steps\" title=\"Configuration Steps\">Configuration Steps<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.fir3net.com\/Firewalls\/Juniper\/juniper-srx-high-availability-active-passive-simple.html\/#i\" title=\"&nbsp;\">&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.fir3net.com\/Firewalls\/Juniper\/juniper-srx-high-availability-active-passive-simple.html\/#Enable_Chassis_Clustering\" title=\"Enable Chassis Clustering\">Enable Chassis Clustering<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.fir3net.com\/Firewalls\/Juniper\/juniper-srx-high-availability-active-passive-simple.html\/#Configure_Fabric_Interfaces\" title=\"Configure Fabric Interfaces\">Configure Fabric Interfaces<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.fir3net.com\/Firewalls\/Juniper\/juniper-srx-high-availability-active-passive-simple.html\/#Interface_Monitoring\" title=\"Interface Monitoring\">Interface Monitoring<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.fir3net.com\/Firewalls\/Juniper\/juniper-srx-high-availability-active-passive-simple.html\/#Assign_Security_Zones\" title=\"Assign Security Zones\">Assign Security Zones<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"h3\"><span class=\"ez-toc-section\" id=\"Summary\"><\/span><strong>Summary<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Active\/Passive is the most common type of HA deployment and consists of 2 firewall members. Whilst one node actively processes the traffic and the other (backup) node awaits ready to take over in the event of the active node failing.<\/p>\n<p>As the names suggests, Active \/ Passive Full Mesh rather then Simple ensures that there is no single point of failure (i.e untrust interfaces for both nodes connected to a single switch) within the network.<\/p>\n<h2 class=\"h3\"><span class=\"ez-toc-section\" id=\"Overview\"><\/span><strong>Overview<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ok, so how do you configure Active \/ Passive Simple ?&nbsp; Before we look at the configuration steps there are a few points that you will need to know,<\/p>\n<ul>\n<li>Both nodes require the same code version.<\/li>\n<li>Both nodes (within the Branch series) can have difference PIMs (Physical Interface Modules)<\/li>\n<li>Both nodes within the cluster share the same configuration.<\/li>\n<li>JSRP <span class=\"st\">(Juniper Services Redundancy Protocol)<\/span> is the software daemon responsibly for providing chassis clustering.<\/li>\n<li>Chassis Clustering does not support layer 2 ethernet switching. This configuration should be removed before chassis clustering is enabled.<\/li>\n<li>The redundant interface MAC address is formed using the Cluster ID and the reth number.<\/li>\n<li>In the event of failover the backup node will send by default 4 GARPs to ensure the neighbouring ARP cache(s) are updated accordingly.<\/li>\n<\/ul>\n<h2 class=\"h3\"><span class=\"ez-toc-section\" id=\"Terms_Concepts\"><\/span><strong>Terms \/ Concepts<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Below provides a description of some of the key terms and concepts of chassis clustering.<\/p>\n<div class=\"table-responsive\">\n<table style=\"width: 777px; height: 206px;\">\n<tbody>\n<tr style=\"background-color: #f5f5f5;\">\n<td style=\"color: white; background: grey; text-align: center;\"><span style=\"color: #ffffff;\">NAME<\/span><\/td>\n<td style=\"color: white; background: grey; text-align: center;\"><span style=\"color: #ffffff;\">DESCRIPTION<\/span><\/td>\n<\/tr>\n<tr>\n<td>Cluster ID<\/td>\n<td>The Cluster ID represents a collection of cluster nodes.&nbsp;<\/td>\n<\/tr>\n<tr style=\"background-color: #f5f5f5;\">\n<td>Cluster Node ID<\/td>\n<td>The Cluster Node ID is a numerical value that presents the firewall member.<\/td>\n<\/tr>\n<tr>\n<td>Redundant Interface<\/td>\n<td>A redundant interface (rethx.x) represents a collection of interfaces.<\/td>\n<\/tr>\n<tr style=\"background-color: #f5f5f5;\">\n<td>Redundancy Group &nbsp;&nbsp;<\/td>\n<td>A redundancy group represents a collection of redundant interfaces.<\/td>\n<\/tr>\n<tr>\n<td>FXP0<\/td>\n<td>FXP0 represents the management interface and is configured on fe0\/0\/6.<\/td>\n<\/tr>\n<tr style=\"background-color: #f5f5f5;\">\n<td>FXP1<\/td>\n<td>\n<p>FXP1 represents the control link and is responsible for control plane communication between the nodes.<br \/> FXP1 is configured on fe0\/0\/7. Both nodes should be directly connected.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>FAB<\/td>\n<td>\n<p>FAB represents the Fabric interface. It is used by the PFE* to transmit transit traffic and sync data plane states.<br \/> FAB is configured on ge0\/0\/1.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>&nbsp;*Packet Forwarding Engine<\/p>\n<p>&nbsp;<\/p>\n<h2 class=\"h3\"><span class=\"ez-toc-section\" id=\"Configuration_Steps\"><\/span><strong>Configuration Steps<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>There are a number of steps required in configuring Active \/ Passive Simple on a SRX device, however there is one point that I should point out. Once chassis clustering has been enabled the system will automatically renumber some of the interfaces, i.e FAB is renumbered to ge-2\/0\/1 instead of ge-0\/0\/1.<\/p>\n<p>To help with the following configuration steps below shows a visual representation of our setup,<\/p>\n<p>&nbsp;<\/p>\n<p><strong><\/strong><\/p>\n<h4><span class=\"ez-toc-section\" id=\"i\"><\/span><strong>&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<h4><span class=\"ez-toc-section\" id=\"Enable_Chassis_Clustering\"><\/span><strong>Enable Chassis Clustering<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>First of all Chassis Clustering is enabled on each of the nodes. This is the only point during the configuration that each of the nodes will require a reboot.<\/p>\n<pre class=\"prettyprint&quot;\">#set groups node0 system host-name SRX-A<br \/>#set groups node0 interfaces fxp0 unit 0 family inet address 172.16.1.1\/24<br \/>#set groups node1 system host-name SRX-B<br \/>#set groups node1 interfaces fxp0 unit 0 family inet address 172.16.1.2\/24<br \/>#set apply-groups \"${node}\"<\/pre>\n<h4><span class=\"ez-toc-section\" id=\"Configure_Fabric_Interfaces\"><\/span><strong>Configure Fabric Interfaces<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Next the fabric (dataplane link) is configured.<\/p>\n<pre class=\"prettyprint&quot;\">#set chassis cluster redundancy-group 0 node 0 priority 100<br \/>#set chassis cluster redundancy-group 0 node 1 priority 1<br \/><br \/>#set chassis cluster redundancy-group 1 node 0 priority 100<br \/>#set chassis cluster redundancy-group 1 node 1 priority 1<\/pre>\n<h4><span class=\"ez-toc-section\" id=\"Interface_Monitoring\"><\/span><strong>Interface Monitoring<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Each interface that should be monitored is then configured and placed into the redundancy-group.<\/p>\n<pre class=\"prettyprint&quot;\">#set chassis cluster reth-count 2<br \/>#set interfaces fe-0\/0\/2 fastether-options redundant-parent reth0<br \/>#set interfaces fe-2\/0\/2 fastether-options redundant-parent reth0<br \/>#set interfaces reth0 redundant-ether-options redundancy-group 1<br \/>#set interfaces reth0 unit 0 family inet address 192.168.1.1\/24<br \/><br \/>#set interfaces ge-0\/0\/0 fastether-options redundant-parent reth0<br \/>#set interfaces ge-2\/0\/2 fastether-options redundant-parent reth0<br \/>#set interfaces reth1 redundant-ether-options redundancy-group 1<br \/>#set interfaces reth1 unit 0 family inet address 82.1.1.1\/24<\/pre>\n<h4><span class=\"ez-toc-section\" id=\"Assign_Security_Zones\"><\/span><strong>Assign Security Zones<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Finally each redundant interface is assigned to its security zone.<\/p>\n<pre class=\"prettyprint&quot;\">#set security zones security-zone trust interfaces reth0.0<br \/>#set security zones security-zone untrust interfaces reth1.0<br \/>#commit<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Juniper SRX offers 4 types of High Availability (HA) deployment, Active\/Passive Simple Active\/Passive Full Mesh Active\/Active Deployment Active\/Passive Transparent Mode Within this article we will look at Active\/Passive Simple upon a SRX 240 series device. Summary Active\/Passive is the most common type of HA deployment and consists of 2 firewall members. Whilst one node &#8230; <a title=\"Juniper SRX &#8211; High Availability (Active \/ Passive Simple)\" class=\"read-more\" href=\"https:\/\/www.fir3net.com\/Firewalls\/Juniper\/juniper-srx-high-availability-active-passive-simple.html\" aria-label=\"Read more about Juniper SRX &#8211; High Availability (Active \/ Passive Simple)\">Read more<\/a><\/p>\n","protected":false},"author":2,"featured_media":783,"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 - High Availability (Active \/ Passive Simple) - Fir3net<\/title>\n<meta name=\"description\" content=\"The Juniper SRX offers 4 types of High Availability (HA) deployment, Active\/Passive Simple Active\/Passive Full Mesh Active\/Active Deployment\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.fir3net.com\/Firewalls\/Juniper\/juniper-srx-high-availability-active-passive-simple.html\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Juniper SRX - High Availability (Active \/ Passive Simple) - Fir3net\" \/>\n<meta property=\"og:description\" content=\"The Juniper SRX offers 4 types of High Availability (HA) deployment, Active\/Passive Simple Active\/Passive Full Mesh Active\/Active Deployment\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fir3net.com\/Firewalls\/Juniper\/juniper-srx-high-availability-active-passive-simple.html\" \/>\n<meta property=\"og:site_name\" content=\"Fir3net\" \/>\n<meta property=\"article:published_time\" content=\"2013-07-01T00:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-07-24T18:01:15+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.fir3net.com\/wp-content\/uploads\/2013\/07\/images_legacy_jsrp.png\" \/>\n\t<meta property=\"og:image:width\" content=\"581\" \/>\n\t<meta property=\"og:image:height\" content=\"533\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Rick Donato\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Rick Donato\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.fir3net.com\/Firewalls\/Juniper\/juniper-srx-high-availability-active-passive-simple.html#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.fir3net.com\/Firewalls\/Juniper\/juniper-srx-high-availability-active-passive-simple.html\"},\"author\":{\"name\":\"Rick Donato\",\"@id\":\"https:\/\/www.fir3net.com\/#\/schema\/person\/ab35009601b7687ee1c5310be6038037\"},\"headline\":\"Juniper SRX &#8211; 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