{"id":3398,"date":"2023-05-02T04:31:17","date_gmt":"2023-05-02T04:31:17","guid":{"rendered":"https:\/\/www.ablenet.co.th\/?p=3398"},"modified":"2023-05-23T11:06:00","modified_gmt":"2023-05-23T11:06:00","slug":"c9800_ap_join","status":"publish","type":"post","link":"https:\/\/www.ablenet.co.th\/en\/2023\/05\/02\/c9800_ap_join\/","title":{"rendered":"\u0e27\u0e34\u0e18\u0e35\u0e41\u0e01\u0e49 AP fails to Join Cisco Catalyst 9800-CL"},"content":{"rendered":"\r\n<p class=\"wp-block-paragraph\">\u0e01\u0e32\u0e23\u0e40\u0e2d\u0e32 Access Point \u0e17\u0e35\u0e48\u0e40\u0e04\u0e22\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e01\u0e31\u0e1a Cisco WLC \u0e23\u0e38\u0e48\u0e19\u0e40\u0e14\u0e34\u0e21\u0e17\u0e35\u0e48\u0e23\u0e31\u0e19\u0e2d\u0e22\u0e39\u0e48\u0e1a\u0e19 AirOS(\u0e40\u0e0a\u0e48\u0e19 2504,3504,5520) \u0e40\u0e21\u0e37\u0e48\u0e2d\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e19\u0e33\u0e21\u0e32 Join \u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e01\u0e31\u0e1a Cisco Catalyst 9800 \u0e08\u0e30\u0e40\u0e01\u0e34\u0e14\u0e1b\u0e31\u0e0d\u0e2b\u0e32\u0e40\u0e23\u0e37\u0e48\u0e2d\u0e07 Certificate (SSC : <span class=\"aCOpRe\">Self Signed Certificate<\/span>) \u0e17\u0e35\u0e48 AP \u0e40\u0e04\u0e22\u0e43\u0e0a\u0e49\u0e43\u0e19\u0e01\u0e32\u0e23 Join Controller \u0e1a\u0e19 AirOS \u0e41\u0e15\u0e48\u0e15\u0e31\u0e27 Catalyst 9800 \u0e44\u0e21\u0e48\u0e44\u0e14\u0e49 Enable SSC \u0e21\u0e32\u0e43\u0e2b\u0e49 \u0e17\u0e33\u0e43\u0e2b\u0e49 AP \u0e44\u0e21\u0e48\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16 Join \u0e44\u0e14\u0e49 \u0e41\u0e2a\u0e14\u0e07 Error \u0e14\u0e49\u0e32\u0e19\u0e25\u0e48\u0e32\u0e07<\/p>\r\n\r\n\r\n\r\n<pre class=\"wp-block-code\"><code>[*04\/30\/2021 06:55:49.0222] CAPWAP State: DTLS Teardown\r\n[*04\/30\/2021 06:55:53.7707] No more AP manager addresses remain..\r\n[*04\/30\/2021 06:55:53.7707] No valid AP manager found for controller 'C9800_WLC' (ip: 10.10.1.250)\r\n[*04\/30\/2021 06:55:53.7707] Failed to join controller C9800_WLC.\r\n[*04\/30\/2021 06:55:53.7707] Failed to join controller.\r\n[*04\/30\/2021 06:55:53.7707] \r\n[*04\/30\/2021 06:55:53.7707] CAPWAP State: Discovery\r\n[*04\/30\/2021 06:55:53.7707] Discovery Request sent to 10.0.0.249, discovery type STATIC_CONFIG(1)\r\n[*04\/30\/2021 06:55:53.7807] Discovery Request sent to 10.10.1.250, discovery type STATIC_CONFIG(1)\r\n[*04\/30\/2021 06:55:53.7807] IP DNS query for CISCO-CAPWAP-CONTROLLER.lap.local\r\n[*04\/30\/2021 06:55:53.7807] IPv6 DNS query for CISCO-CAPWAP-CONTROLLER.lap.local\r\n[*04\/30\/2021 06:55:53.8007] Discovery Request sent to 255.255.255.255, discovery type UNKNOWN(0)\r\n[*04\/30\/2021 06:55:53.8007] Discovery Response from 10.10.1.250\r\n[*04\/30\/2021 06:55:53.8107] Discovery Response from 10.10.1.250\r\n[*04\/30\/2021 06:56:03.0000] \r\n[*04\/30\/2021 06:56:03.0000] CAPWAP State: DTLS Setup\r\n[*04\/30\/2021 06:57:00.0222] dtls_disconnect: ERROR shutting down dtls connection ...<\/code><\/pre>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\"><strong>\u0e27\u0e34\u0e18\u0e35\u0e41\u0e01\u0e49\u0e21\u0e35\u0e2a\u0e2d\u0e07\u0e27\u0e34\u0e18\u0e35<\/strong><\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\"><strong>\u0e27\u0e34\u0e18\u0e35\u0e17\u0e35\u0e48 1 : \u0e40\u0e2d\u0e32 AP \u0e01\u0e25\u0e31\u0e1a\u0e44\u0e1b Join AirOS Controller \u0e41\u0e25\u0e30 Disable Enable SSC Hash Validation<\/strong> (\u0e2d\u0e32\u0e08\u0e08\u0e30\u0e21\u0e35 Down Time \u0e19\u0e30\u0e04\u0e23\u0e31\u0e1a)<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\"><strong>1. \u0e17\u0e33\u0e1c\u0e48\u0e32\u0e19 Web GUI<\/strong><\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u0e44\u0e1b\u0e17\u0e35\u0e48 <strong>Security &gt; Certificate &gt; SSC <\/strong>\u0e41\u0e25\u0e30\u00a0uncheck <strong>Enable SSC Hash Validation,\u00a0<\/strong>\u0e2b\u0e25\u0e31\u0e07\u0e08\u0e32\u0e01\u0e19\u0e31\u0e49\u0e19 click <strong>Apply<\/strong><\/p>\r\n\r\n\r\n<div class=\"wp-block-image\">\r\n<figure class=\"aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-5153\" src=\"https:\/\/www.ablenet.co.th\/wp-content\/uploads\/2023\/05\/31.png\" alt=\"\" width=\"1640\" height=\"793\" srcset=\"https:\/\/www.ablenet.co.th\/wp-content\/uploads\/2023\/05\/31.png 1640w, https:\/\/www.ablenet.co.th\/wp-content\/uploads\/2023\/05\/31-300x145.png 300w, https:\/\/www.ablenet.co.th\/wp-content\/uploads\/2023\/05\/31-1024x495.png 1024w, https:\/\/www.ablenet.co.th\/wp-content\/uploads\/2023\/05\/31-768x371.png 768w, https:\/\/www.ablenet.co.th\/wp-content\/uploads\/2023\/05\/31-1536x743.png 1536w\" sizes=\"(max-width: 1640px) 100vw, 1640px\" \/><\/figure>\r\n<\/div>\r\n\r\n\r\n<p class=\"wp-block-paragraph\"><strong>2. \u0e17\u0e33\u0e1c\u0e48\u0e32\u0e19 CLI<\/strong><\/p>\r\n\r\n\r\n\r\n<pre class=\"wp-block-code\"><code>AirOS_WLC# config certificate ssc hash validation disable<\/code><\/pre>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\"><strong>\u0e27\u0e34\u0e18\u0e35\u0e17\u0e35\u0e48 2 : \u0e17\u0e33\u0e01\u0e32\u0e23 Config manual Trustpoint \u0e1c\u0e48\u0e32\u0e19 CLI \u0e1a\u0e19 Catalyst 9800<\/strong><\/p>\r\n\r\n\r\n\r\n<pre class=\"wp-block-code\"><code>C9800_WLC#wireless config vwlc-ssc key-size 2048 signature-algo sha256 password 0 cisco123<\/code><\/pre>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\"><strong>Verify<\/strong><\/p>\r\n\r\n\r\n\r\n<pre class=\"wp-block-code\"><code>C9800_WLC#show wireless management trustpoint \r\nTrustpoint Name  : C9800_WLC_WLC_TP\r\nCertificate Info : Available\r\nCertificate Type : SSC\r\nCertificate Hash : 3ec9c1499048b51a2c9b52d765d5e64a6f0e231c\r\nPrivate key Info : Available\r\nFIPS suitability : Not Applicable<\/code><\/pre>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\"><strong>\u0e1c\u0e25\u0e25\u0e31\u0e1e\u0e18\u0e4c<\/strong><\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">AP \u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16 Join Controller \u0e41\u0e25\u0e30 Dowload Firmware \u0e15\u0e31\u0e27\u0e43\u0e2b\u0e21\u0e48 \u0e44\u0e14\u0e49\u0e41\u0e25\u0e49\u0e27\u0e04\u0e23\u0e31\u0e1a<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" class=\"alignnone size-full wp-image-5152\" src=\"https:\/\/www.ablenet.co.th\/wp-content\/uploads\/2023\/05\/32-1024x458-1.png\" alt=\"\" width=\"1024\" height=\"458\" srcset=\"https:\/\/www.ablenet.co.th\/wp-content\/uploads\/2023\/05\/32-1024x458-1.png 1024w, https:\/\/www.ablenet.co.th\/wp-content\/uploads\/2023\/05\/32-1024x458-1-300x134.png 300w, https:\/\/www.ablenet.co.th\/wp-content\/uploads\/2023\/05\/32-1024x458-1-768x344.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u0e2b\u0e25\u0e31\u0e07\u0e08\u0e32\u0e01 Access Point Dowload Firmware \u0e40\u0e23\u0e35\u0e22\u0e1a\u0e23\u0e49\u0e2d\u0e22 \u0e01\u0e47\u0e08\u0e30 Join \u0e40\u0e02\u0e49\u0e32\u0e44\u0e1b\u0e17\u0e35\u0e48 Controller \u0e44\u0e14\u0e49<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" class=\"alignnone size-full wp-image-5151\" src=\"https:\/\/www.ablenet.co.th\/wp-content\/uploads\/2023\/05\/33-1024x299-1.png\" alt=\"\" width=\"1024\" height=\"299\" srcset=\"https:\/\/www.ablenet.co.th\/wp-content\/uploads\/2023\/05\/33-1024x299-1.png 1024w, https:\/\/www.ablenet.co.th\/wp-content\/uploads\/2023\/05\/33-1024x299-1-300x88.png 300w, https:\/\/www.ablenet.co.th\/wp-content\/uploads\/2023\/05\/33-1024x299-1-768x224.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">References<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-embed\">\r\n<div class=\"wp-block-embed__wrapper\">https:\/\/community.cisco.com\/t5\/wireless\/9800-cl-wlc-no-valid-ap-manager-found-for-controller\/td-p\/3985577<\/div>\r\n<\/figure>\r\n\r\n\r\n\r\n<figure class=\"wp-block-embed\">\r\n<div class=\"wp-block-embed__wrapper\">https:\/\/gblogs.cisco.com\/ch-tech\/setup-your-lab-with-catalyst-9800-cl\/<\/div>\r\n<\/figure>\r\n","protected":false},"excerpt":{"rendered":"<p>\u0e01\u0e32\u0e23\u0e40\u0e2d\u0e32 Access Point \u0e17\u0e35\u0e48\u0e40\u0e04\u0e22\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e01\u0e31\u0e1a Cisco WLC \u0e23\u0e38\u0e48\u0e19\u0e40\u0e14\u0e34\u0e21\u0e17\u0e35\u0e48\u0e23\u0e31\u0e19\u0e2d\u0e22\u0e39\u0e48\u0e1a\u0e19 AirOS(\u0e40\u0e0a\u0e48\u0e19 2504,3504,5520) \u0e40\u0e21\u0e37\u0e48\u0e2d\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e19\u0e33\u0e21\u0e32 Join \u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e01\u0e31\u0e1a Cisco Catalyst 9800 \u0e08\u0e30\u0e40\u0e01\u0e34\u0e14\u0e1b\u0e31\u0e0d\u0e2b\u0e32\u0e40\u0e23\u0e37\u0e48\u0e2d\u0e07 Certificate (SSC : Self Signed Certificate) \u0e17\u0e35\u0e48 AP \u0e40\u0e04\u0e22\u0e43\u0e0a\u0e49\u0e43\u0e19\u0e01\u0e32\u0e23 Join Controller \u0e1a\u0e19 AirOS \u0e41\u0e15\u0e48\u0e15\u0e31\u0e27 Catalyst 9800 \u0e44\u0e21\u0e48\u0e44\u0e14\u0e49 Enable SSC \u0e21\u0e32\u0e43\u0e2b\u0e49 \u0e17\u0e33\u0e43\u0e2b\u0e49 AP \u0e44\u0e21\u0e48\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16 Join \u0e44\u0e14\u0e49 \u0e41\u0e2a\u0e14\u0e07 Error \u0e14\u0e49\u0e32\u0e19\u0e25\u0e48\u0e32\u0e07 \u0e27\u0e34\u0e18\u0e35\u0e41\u0e01\u0e49\u0e21\u0e35\u0e2a\u0e2d\u0e07\u0e27\u0e34\u0e18\u0e35 \u0e27\u0e34\u0e18\u0e35\u0e17\u0e35\u0e48 1 : \u0e40\u0e2d\u0e32 AP \u0e01\u0e25\u0e31\u0e1a\u0e44\u0e1b Join AirOS Controller \u0e41\u0e25\u0e30 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3401,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[51],"tags":[193,194,195,196,56,197],"class_list":["post-3398","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-article","tag-ap-join","tag-catalyst-9800","tag-cisco-wireless","tag-wifi","tag-wireless","tag-wireless-lan-controller"],"_links":{"self":[{"href":"https:\/\/www.ablenet.co.th\/en\/wp-json\/wp\/v2\/posts\/3398","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ablenet.co.th\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ablenet.co.th\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ablenet.co.th\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ablenet.co.th\/en\/wp-json\/wp\/v2\/comments?post=3398"}],"version-history":[{"count":2,"href":"https:\/\/www.ablenet.co.th\/en\/wp-json\/wp\/v2\/posts\/3398\/revisions"}],"predecessor-version":[{"id":5154,"href":"https:\/\/www.ablenet.co.th\/en\/wp-json\/wp\/v2\/posts\/3398\/revisions\/5154"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ablenet.co.th\/en\/wp-json\/wp\/v2\/media\/3401"}],"wp:attachment":[{"href":"https:\/\/www.ablenet.co.th\/en\/wp-json\/wp\/v2\/media?parent=3398"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ablenet.co.th\/en\/wp-json\/wp\/v2\/categories?post=3398"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ablenet.co.th\/en\/wp-json\/wp\/v2\/tags?post=3398"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}