{"id":1022,"date":"2019-12-19T08:26:16","date_gmt":"2019-12-19T14:26:16","guid":{"rendered":"https:\/\/packitforwarding.com\/?p=1022"},"modified":"2019-12-23T09:53:15","modified_gmt":"2019-12-23T15:53:15","slug":"cisco-ios-ios-xe-fn-70489","status":"publish","type":"post","link":"https:\/\/packitforwarding.com\/index.php\/2019\/12\/19\/cisco-ios-ios-xe-fn-70489\/","title":{"rendered":"Cisco IOS\/IOS-XE FN: 70489"},"content":{"rendered":"\n<p>On December 17th, 2019, Cisco released a Field Notice that could ruin a lot of people&#8217;s holiday vacations. The Field Notice says that any IOS device prior to 15.6(03)M07, 15.7(03)M05, 15.8(03)M03, or 15.9(03)M; and IOS-XE prior to 16.9.1 has a bug with the self-signed certificate. The bug is that they are set to expire on 1\/1\/2020 and if you don&#8217;t do something before 1\/1\/2020 you won&#8217;t be able to generate a new certificate. I highly recommend reading the full <a href=\"https:\/\/www.cisco.com\/c\/en\/us\/support\/docs\/field-notices\/704\/fn70489.html\">Field Notice<\/a> for exact IOS\/IOS-XE versioning.<\/p>\n\n\n\n<p>Most switches will not have an issue as the certificate is generally used only for the web interface. However, some devices use it for other services like wireless APs running IOS (<a href=\"https:\/\/www.cisco.com\/c\/en\/us\/support\/docs\/field-notices\/639\/fn63942.html\">FN63942<\/a>) and voice gateways (encrypted voice). Time to go check before you open that egg nog.<\/p>\n\n\n\n<p><strong>UPDATE: <\/strong>I can personally attest that Cisco&#8217;s 3850s running in converged access for wireless do NOT use this certificate for the CAPWAP DTLS. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>On December 17th, 2019, Cisco released a Field Notice that could ruin a lot of people&#8217;s holiday vacations. The Field Notice says that any IOS device prior to 15.6(03)M07, 15.7(03)M05, 15.8(03)M03, or 15.9(03)M; and IOS-XE prior to 16.9.1 has a bug with the self-signed certificate. The bug is that they are set to expire on [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1023,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"Cisco IOS\/IOS-XE FN: 70489 - It's bug time right before the holidays. Check this out before you head to your office party. #ciscochampion","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[88,24],"tags":[106,147],"class_list":["post-1022","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-cisco","tag-cisco","tag-field-notice"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cisco IOS\/IOS-XE FN: 70489 -<\/title>\n<meta name=\"description\" content=\"Cisco put out a new field notice 70489 that could be very important to those running IOS and IOS-XE. 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I'm generally on the side of\u2026","rel":"","context":"In &quot;cisco&quot;","block_context":{"text":"cisco","link":"https:\/\/packitforwarding.com\/index.php\/category\/cisco\/"},"img":{"alt_text":"radio telescope against sky with stars","src":"https:\/\/i0.wp.com\/packitforwarding.com\/wp-content\/uploads\/2022\/03\/pexels-photo-6325001.jpeg?fit=1200%2C800&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/packitforwarding.com\/wp-content\/uploads\/2022\/03\/pexels-photo-6325001.jpeg?fit=1200%2C800&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/packitforwarding.com\/wp-content\/uploads\/2022\/03\/pexels-photo-6325001.jpeg?fit=1200%2C800&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/packitforwarding.com\/wp-content\/uploads\/2022\/03\/pexels-photo-6325001.jpeg?fit=1200%2C800&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/packitforwarding.com\/wp-content\/uploads\/2022\/03\/pexels-photo-6325001.jpeg?fit=1200%2C800&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":947,"url":"https:\/\/packitforwarding.com\/index.php\/2019\/10\/28\/cisco-live-latin-america-day-0\/","url_meta":{"origin":1022,"position":3},"title":"Cisco Live Latin America &#8211; Day 0","author":"Ben Story","date":"October 28, 2019","format":false,"excerpt":"I'll call this day 0 since the main conference starts in earnest tomorrow. Today is similar to Sunday at Cisco Live US where it is mainly purchased labs and techtorials. Location, Location, Location This is the view from my hotel room. Cisco Live Latin America is being held this year\u2026","rel":"","context":"In &quot;Blog&quot;","block_context":{"text":"Blog","link":"https:\/\/packitforwarding.com\/index.php\/category\/blog\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/packitforwarding.com\/wp-content\/uploads\/2019\/10\/IMG_4007-e1572295301666.jpg?fit=1024%2C576&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/packitforwarding.com\/wp-content\/uploads\/2019\/10\/IMG_4007-e1572295301666.jpg?fit=1024%2C576&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/packitforwarding.com\/wp-content\/uploads\/2019\/10\/IMG_4007-e1572295301666.jpg?fit=1024%2C576&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/packitforwarding.com\/wp-content\/uploads\/2019\/10\/IMG_4007-e1572295301666.jpg?fit=1024%2C576&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":673,"url":"https:\/\/packitforwarding.com\/index.php\/2019\/06\/10\/cisco-certification-rebooted\/","url_meta":{"origin":1022,"position":4},"title":"Cisco Certification &#8211; Rebooted","author":"Ben Story","date":"June 10, 2019","format":false,"excerpt":"UPDATE: Go over to my latest article about the Cisco Certification reboot after reading this article for more information and updates. Today during the opening keynote of Cisco Live 2019, new announcements about Cisco Certification were made. Fasten your seat belts, we're going for a ride. One CCNA to Rule\u2026","rel":"","context":"In &quot;Blog&quot;","block_context":{"text":"Blog","link":"https:\/\/packitforwarding.com\/index.php\/category\/blog\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/packitforwarding.com\/wp-content\/uploads\/2019\/06\/0012.jpg?fit=1200%2C675&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/packitforwarding.com\/wp-content\/uploads\/2019\/06\/0012.jpg?fit=1200%2C675&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/packitforwarding.com\/wp-content\/uploads\/2019\/06\/0012.jpg?fit=1200%2C675&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/packitforwarding.com\/wp-content\/uploads\/2019\/06\/0012.jpg?fit=1200%2C675&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/packitforwarding.com\/wp-content\/uploads\/2019\/06\/0012.jpg?fit=1200%2C675&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":885,"url":"https:\/\/packitforwarding.com\/index.php\/2019\/08\/26\/ccna-cyberops-secops-objectives-4-7-and-4-8\/","url_meta":{"origin":1022,"position":5},"title":"CCNA CyberOps SECOPS &#8211; Objectives 4.7 and 4.8","author":"Ben Story","date":"August 26, 2019","format":false,"excerpt":"Map DNS logs and HTTP logs together to find a threat actor Implementing Cisco Cybersecurity Operations (210-255) Map DNS, HTTP, and threat intelligence data together Implementing Cisco Cybersecurity Operations (210-255) Understanding logs from DNS servers and HTTP servers is important. 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