{"id":28213,"date":"2024-03-01T01:34:00","date_gmt":"2024-03-01T01:34:00","guid":{"rendered":"https:\/\/nsfocusglobal.com\/?p=28213"},"modified":"2026-04-28T08:52:39","modified_gmt":"2026-04-28T08:52:39","slug":"nta-bgp-configuration-example","status":"publish","type":"post","link":"https:\/\/nsfocusglobal.com\/pt-br\/nta-bgp-configuration-example\/","title":{"rendered":"NTA BGP Configuration Example"},"content":{"rendered":"<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.0 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/REC-html40\/loose.dtd\">\n<html><body><p>NTA must establish iBGP neighborship with a router to implement null route or BGP diversion. Only in this way can NTA advertise route update notifications for the diversion of attack traffic to a third-party device for cleaning. BGP configuration module allows you to configure parameters for establishing a BGP session.<a> <\/a>The procedure is as follows:<\/p>\n\n\n\n<p><strong>1. Configure on NTA<\/strong><\/p>\n\n\n\n<p>Choose <strong>Configuration &gt; Global Divert Settings &gt; BGP Configuration<\/strong>. Click <strong>Add<\/strong> in the upper-right corner. After completing the configuration, click <strong>Save<\/strong>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/1-4.png\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"636\" src=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/1-4-1024x636.png\" alt=\"Red circular no entry sign with a white horizontal bar.\" class=\"wp-image-28214\" srcset=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/1-4-1024x636.png 1024w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/1-4-300x186.png 300w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/1-4-768x477.png 768w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/1-4-600x373.png 600w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/1-4-200x124.png 200w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/1-4.png 1430w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n<\/div>\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td><strong>Parameter<\/strong><\/td><td><strong>Description<\/strong><\/td><\/tr><\/thead><tbody><tr><td>Name<\/td><td>Specifies a string that identifies the entry.<\/td><\/tr><tr><td>Local AS<\/td><td>Specifies the local AS number, which must be the same as that of the BGP neighbor; otherwise, neighborship cannot be established.<\/td><\/tr><tr><td>Local Port<\/td><td>Specifies the source port for data exchange with BGP neighbors. Generally, it is port 179.<\/td><\/tr><tr><td>Bind IP<\/td><td>Specifies the local IP address used by NTA to establish the BGP neighborship. When two NTA devices constitute a master\/backup pair for HA and the local device is a master one, you must select a virtual IP address.<\/td><\/tr><tr><td>Management Port<\/td><td>Specifies the management port of the local route analysis module. The default value is recommended.<\/td><\/tr><tr><td>Keep Alive<\/td><td>Specifies the interval for sending keepalive messages to a BGP neighbor to ensure that the link with the neighbor is operating. The default value is <strong>60<\/strong> seconds.<\/td><\/tr><tr><td>Hold Time<\/td><td>Specifies the maximum time BGP waits between successive messages before closing the connection. Generally, it is 180 seconds.<\/td><\/tr><tr><td>Maximum Routing Entries<\/td><td>Specifies the maximum number of routing entries that NTA can send in a session based on this BGP entry. Specifying the maximum number can prevent router performance from deteriorating because of NTA sending too many BGP messages.<\/td><\/tr><tr><td>Community<\/td><td>Specifies how the BGP-speaking router treats this route. A maximum of five communities are allowed, with each one in a separate line. In the text box to the right of <strong>Community<\/strong>, you can configure parameters other than <strong>no-advertise and no-export<\/strong>. The format is xxx:xxx. <br>&#8211; <strong>no-advertise<\/strong>: If this parameter is set to <strong>YES,<\/strong> it indicates that this route is not advertised to any BGP peers.<br>&#8211; <strong>no-export:<\/strong> If this parameter is set to <strong>YES<\/strong>, it indicates that this route is not advertised to other ASs.<\/td><\/tr><tr><td>Null Route IP<\/td><td>Specifies the destination IP address for null route diversion. Traffic reaching the null route IP address will be dropped. <strong>This parameter is required only when a BGP session is used in null-route diversion.<\/strong> <br><img decoding=\"async\" width=\"27\" height=\"42\" class=\"wp-image-28216\" style=\"width: 27px;\" src=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/note.jpg\" alt=\"Red circular no entry sign with a white horizontal bar.\"><br>&#8211; If traffic triggers null-route diversion, NTA uses the BGP protocol to set the next hop of the traffic to the null route IP address, sends a BGP Update message to the neighbor router, and diverts traffic to the BGP neighbor router.<br>&#8211; Since a static route is configured on the router to direct all traffic destined for the null-route IP address to null, all traffic destined for the null route IP address will be dropped by the router.<\/td><\/tr><tr><td>Route Neighbor<\/td><td>Specifies a BGP neighbor, which can be added and deleted. To add a BGP neighbor, configure the following parameters: <br>&#8211; <strong>Name:<\/strong> name of the router that establishes the BGP neighborship with NTA.<br>&#8211; <strong>Neighbor IP<\/strong>: IP address of the router that establishes the BGP neighborship with NTA.<br>&#8211; <strong>Remote AS<\/strong>: Specifies the remote autonomous system number of the router that establishes the BGP neighborship with NTA.<br>&#8211; <strong>Last-Hop IP<\/strong>: IP address of the router that is the last hop of the route from the router to NTA.<br>&#8211; <strong>Encryption<\/strong>: controls whether to encrypt BGP connections. Selecting this option indicates that communication between NTA and the BGP neighbor will be encrypted and requires you to enter a password in the adjacent text box.<\/td><\/tr><tr><td>Third-party Protection Device<\/td><td>Specifies a third-party device for traffic cleaning. For how to configure a third-party protection device, see user guide section 5.4.3 Protection Device Configuration. <strong>This parameter is required only when a BGP session is used in BGP diversion.<\/strong> <br><img decoding=\"async\" width=\"27\" height=\"42\" class=\"wp-image-28216\" style=\"width: 27px;\" src=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/note.jpg\" alt=\"Red circular no entry sign with a white horizontal bar.\"><br>&#8211; If traffic triggers BGP diversion, NTA uses the BGP protocol to set the next hop of the traffic to a third-party protection device, sends a BGP Update message to the neighbor router, and diverts traffic to the BGP neighbor router.<br>&#8211; Since a static route destined for the third-party device is configured on the router, traffic reaching the neighboring router will be diverted to the third-party device.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>2.  Configure on router<\/strong><\/p>\n\n\n\n<p>1)  View the bgp peer and interface information before configuring<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/2-3.png\"><img decoding=\"async\" width=\"855\" height=\"202\" src=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/2-3.png\" alt=\"Red circular no entry sign with a white horizontal bar.\" class=\"wp-image-28218\" srcset=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/2-3.png 855w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/2-3-300x71.png 300w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/2-3-768x181.png 768w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/2-3-600x142.png 600w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/2-3-200x47.png 200w\" sizes=\"(max-width: 855px) 100vw, 855px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/3-2.png\"><img loading=\"lazy\" decoding=\"async\" width=\"738\" height=\"206\" src=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/3-2.png\" alt=\"Red circular no entry sign with a white horizontal bar.\" class=\"wp-image-28220\" srcset=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/3-2.png 738w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/3-2-300x84.png 300w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/3-2-600x167.png 600w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/3-2-200x56.png 200w\" sizes=\"(max-width: 738px) 100vw, 738px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p>2)  Configure bgp peer. Please note that the interface used to establish bgp between the NTA and the router must be network-reachable.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/4-3.png\"><img loading=\"lazy\" decoding=\"async\" width=\"938\" height=\"565\" src=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/4-3.png\" alt=\"Red circular no entry sign with a white horizontal bar.\" class=\"wp-image-28222\" srcset=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/4-3.png 938w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/4-3-300x181.png 300w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/4-3-768x463.png 768w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/4-3-600x361.png 600w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/4-3-200x120.png 200w\" sizes=\"(max-width: 938px) 100vw, 938px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p>3) Trigger the alert and check if the diversion is successful to the router side<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/5-2.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"360\" src=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/5-2-1024x360.png\" alt=\"Red circular no entry sign with a white horizontal bar.\" class=\"wp-image-28224\" srcset=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/5-2-1024x360.png 1024w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/5-2-300x106.png 300w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/5-2-768x270.png 768w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/5-2-1536x540.png 1536w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/5-2-600x211.png 600w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/5-2-200x70.png 200w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/5-2.png 1851w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/6-2.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"507\" src=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/6-2-1024x507.png\" alt=\"Red circular no entry sign with a white horizontal bar.\" class=\"wp-image-28226\" srcset=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/6-2-1024x507.png 1024w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/6-2-300x148.png 300w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/6-2-768x380.png 768w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/6-2-1536x760.png 1536w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/6-2-600x297.png 600w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/6-2-200x99.png 200w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/6-2.png 1869w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/7-2.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"183\" src=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/7-2-1024x183.png\" alt=\"Red circular no entry sign with a white horizontal bar.\" class=\"wp-image-28228\" srcset=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/7-2-1024x183.png 1024w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/7-2-300x54.png 300w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/7-2-768x137.png 768w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/7-2-1536x274.png 1536w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/7-2-600x107.png 600w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/7-2-200x36.png 200w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/7-2.png 1849w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/8-2.png\"><img loading=\"lazy\" decoding=\"async\" width=\"776\" height=\"596\" src=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/8-2.png\" alt=\"Red circular no entry sign with a white horizontal bar.\" class=\"wp-image-28230\" srcset=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/8-2.png 776w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/8-2-300x230.png 300w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/8-2-768x590.png 768w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/8-2-600x461.png 600w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/8-2-200x154.png 200w\" sizes=\"(max-width: 776px) 100vw, 776px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p>You can also send manual diversion on the NTA <strong>Monitor &gt; Routing Table &gt; Manual Traffic Diversion<\/strong> to check if the diversion is successful to the router side.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/9.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"390\" src=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/9-1024x390.png\" alt=\"Red circular no entry sign with a white horizontal bar.\" class=\"wp-image-28234\" srcset=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/9-1024x390.png 1024w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/9-300x114.png 300w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/9-768x293.png 768w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/9-1536x585.png 1536w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/9-600x229.png 600w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/9-200x76.png 200w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/9.png 1861w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/10-1.png\"><img loading=\"lazy\" decoding=\"async\" width=\"776\" height=\"596\" src=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/10-1.png\" alt=\"Red circular no entry sign with a white horizontal bar.\" class=\"wp-image-28236\" srcset=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/10-1.png 776w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/10-1-300x230.png 300w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/10-1-768x590.png 768w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/10-1-600x461.png 600w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2024\/01\/10-1-200x154.png 200w\" sizes=\"(max-width: 776px) 100vw, 776px\" \/><\/a><\/figure>\n<\/div><\/body><\/html>\n","protected":false},"excerpt":{"rendered":"<p>NTA must establish iBGP neighborship with a router to implement null route or BGP diversion. Only in this way can NTA advertise route update notifications for the diversion of attack traffic to a third-party device for cleaning. BGP configuration module allows you to configure parameters for establishing a BGP session. The procedure is as follows: [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":35657,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","footnotes":""},"categories":[9,12],"tags":[487],"class_list":["post-28213","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-base","category-nta","tag-knowledge-base"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>NTA BGP Configuration Example - NSFOCUS<\/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:\/\/nsfocusglobal.com\/nta-bgp-configuration-example\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NTA BGP Configuration Example - NSFOCUS\" \/>\n<meta property=\"og:description\" content=\"NTA must establish iBGP neighborship with a router to implement null route or BGP diversion. 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