{"id":1730,"date":"2026-08-30T12:35:34","date_gmt":"2026-08-30T05:35:34","guid":{"rendered":"https:\/\/yourapx.com\/?p=1730"},"modified":"2026-08-30T12:35:34","modified_gmt":"2026-08-30T05:35:34","slug":"c9300-48uxm-a-v01-sua-chua","status":"publish","type":"post","link":"https:\/\/yourapx.com\/?p=1730","title":{"rendered":"S\u1eeda switch Cisco C9300-48UXM-A V01: l\u1ed7i ngu\u1ed3n v\u00e0 kh\u1edfi \u0111\u1ed9ng v\u00e0 ch\u1ee9c n\u0103ng ch\u00ednh"},"content":{"rendered":"<p><strong>APX nh\u1eadn ki\u1ec3m tra v\u00e0 s\u1eeda ch\u1eefa Cisco C9300-48UXM-A V01<\/strong> v\u1edbi c\u00e1c nh\u00f3m hi\u1ec7n t\u01b0\u1ee3ng li\u00ean quan \u0111\u1ebfn l\u1ed7i ngu\u1ed3n, kh\u1edfi \u0111\u1ed9ng v\u00e0 ch\u1ee9c n\u0103ng ch\u00ednh. Thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c ki\u1ec3m tra theo \u0111\u00fang ch\u1ee9c n\u0103ng c\u1ee7a model; nguy\u00ean nh\u00e2n, h\u1ea1ng m\u1ee5c x\u1eed l\u00fd v\u00e0 chi ph\u00ed ch\u1ec9 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh sau b\u01b0\u1edbc ch\u1ea9n \u0111o\u00e1n.<\/p>\n<h2>1. Cisco C9300-48UXM-A V01 l\u00e0 thi\u1ebft b\u1ecb g\u00ec v\u00e0 d\u00f9ng trong h\u1ec7 th\u1ed1ng n\u00e0o?<\/h2>\n<p>Cisco C9300-48UXM-A V01 l\u00e0 switch d\u00f9ng \u0111\u1ec3 chuy\u1ec3n m\u1ea1ch v\u00e0 ph\u00e2n ph\u1ed1i k\u1ebft n\u1ed1i trong h\u1ec7 th\u1ed1ng m\u1ea1ng. Khi thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng \u1ed5n \u0111\u1ecbnh, APX ki\u1ec3m tra theo t\u1eebng ch\u1ee9c n\u0103ng c\u1ee7a \u0111\u00fang d\u00f2ng m\u00e1y \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n v\u00e0 ph\u01b0\u01a1ng \u00e1n x\u1eed l\u00fd ph\u00f9 h\u1ee3p.<\/p>\n<p>Thi\u1ebft b\u1ecb trong h\u00ecnh \u0111\u01b0\u1ee3c APX ti\u1ebfp nh\u1eadn \u0111\u1ec3 ki\u1ec3m tra. K\u1ef9 thu\u1eadt vi\u00ean ghi nh\u1eadn hi\u1ec7n t\u01b0\u1ee3ng kh\u00e1ch h\u00e0ng g\u1eb7p ph\u1ea3i, t\u00ecnh tr\u1ea1ng ngu\u1ed3n, kh\u1ea3 n\u0103ng kh\u1edfi \u0111\u1ed9ng v\u00e0 c\u00e1c ch\u1ee9c n\u0103ng \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u01b0\u1edbc khi th\u00e1o m\u00e1y.<\/p>\n<figure class=\"wp-block-image size-full apx-featured-image\"><img decoding=\"async\" class=\"wp-post-image aligncenter\" src=\"https:\/\/yourapx.com\/wp-content\/uploads\/c9300-48uxm-a-v01-thiet-bi-yourapx.jpg\" alt=\"s\u1eeda switch Cisco C9300-48UXM-A V01 - to\u00e0n c\u1ea3nh thi\u1ebft b\u1ecb\" style=\"display:block;width:100%;height:auto;aspect-ratio:16\/9;object-fit:cover;margin:0 auto\"\/><figcaption>Thi\u1ebft b\u1ecb C9300-48UXM-A V01 \u0111\u01b0\u1ee3c ti\u1ebfp nh\u1eadn \u0111\u1ec3 ki\u1ec3m tra t\u1ea1i APX<\/figcaption><\/figure>\n<h2>2. D\u1ea5u hi\u1ec7u h\u01b0 h\u1ecfng v\u00e0 \u1ea3nh h\u01b0\u1edfng khi v\u1eadn h\u00e0nh<\/h2>\n<ul>\n<li>kh\u00f4ng l\u00ean ngu\u1ed3n ho\u1eb7c m\u1ea5t ngu\u1ed3n \u0111\u1ed9t ng\u1ed9t.<\/li>\n<li>kh\u00f4ng boot, treo logo ho\u1eb7c kh\u1edfi \u0111\u1ed9ng l\u1ea1i li\u00ean t\u1ee5c.<\/li>\n<li>m\u1ed9t ho\u1eb7c nhi\u1ec1u c\u1ed5ng m\u1ea1ng m\u1ea5t link, ch\u1eadp ch\u1eddn ho\u1eb7c kh\u00f4ng truy\u1ec1n d\u1eef li\u1ec7u.<\/li>\n<li>\u0111\u00e8n tr\u1ea1ng th\u00e1i c\u1ed5ng hi\u1ec3n th\u1ecb sai.<\/li>\n<\/ul>\n<p>Nh\u1eefng bi\u1ec3u hi\u1ec7n n\u00e0y c\u00f3 th\u1ec3 xu\u1ea5t ph\u00e1t t\u1eeb nhi\u1ec1u kh\u1ed1i kh\u00e1c nhau. APX kh\u00f4ng k\u1ebft lu\u1eadn l\u1ed7i ch\u1ec9 d\u1ef1a v\u00e0o \u0111\u00e8n b\u00e1o ho\u1eb7c h\u00ecnh \u1ea3nh b\u00ean ngo\u00e0i; m\u1ed7i hi\u1ec7n t\u01b0\u1ee3ng ph\u1ea3i \u0111\u01b0\u1ee3c t\u00e1i hi\u1ec7n v\u00e0 ki\u1ec3m tra b\u1eb1ng ph\u00e9p th\u1eed ph\u00f9 h\u1ee3p.<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/yourapx.com\/wp-content\/uploads\/c9300-48uxm-a-v01-chi-tiet-2-yourapx.jpg\" alt=\"s\u1eeda switch Cisco C9300-48UXM-A V01 - chi ti\u1ebft ki\u1ec3m tra 2\" style=\"display:block;width:100%;height:auto;aspect-ratio:16\/9;object-fit:cover;margin:0 auto\"\/><figcaption>H\u00ecnh \u1ea3nh ki\u1ec3m tra C9300-48UXM-A V01 t\u1ea1i trung t\u00e2m k\u1ef9 thu\u1eadt APX<\/figcaption><\/figure>\n<h2>3. Th\u00f4ng s\u1ed1 quan tr\u1ecdng c\u1ea7n bi\u1ebft tr\u01b0\u1edbc khi s\u1eeda ch\u1eefa<\/h2>\n<ul>\n<li>Lo\u1ea1i thi\u1ebft b\u1ecb: Switch.<\/li>\n<li>Ch\u1ee9c n\u0103ng ch\u00ednh: chuy\u1ec3n m\u1ea1ch v\u00e0 ph\u00e2n ph\u1ed1i k\u1ebft n\u1ed1i trong h\u1ec7 th\u1ed1ng m\u1ea1ng.<\/li>\n<li>Ngu\u1ed3n c\u1ea5p v\u00e0 c\u00e1c c\u1ed5ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c ki\u1ec3m tra theo c\u1ea5u h\u00ecnh th\u1ef1c t\u1ebf c\u1ee7a thi\u1ebft b\u1ecb.<\/li>\n<li>C\u00e1c ch\u1ee9c n\u0103ng ch\u00ednh \u0111\u01b0\u1ee3c th\u1eed \u0111\u1ed9c l\u1eadp \u0111\u1ec3 khoanh v\u00f9ng h\u1ea1ng m\u1ee5c ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng \u1ed5n \u0111\u1ecbnh.<\/li>\n<\/ul>\n<p>Th\u00f4ng s\u1ed1 c\u1ed5ng, ngu\u1ed3n, PoE, uplink v\u00e0 phi\u00ean b\u1ea3n ph\u1ea7n c\u1ee9ng \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn c\u00e1ch th\u1eed thi\u1ebft b\u1ecb. Vi\u1ec7c ghi nh\u1eadn \u0111\u00fang PID v\u00e0 ph\u1ee5 ki\u1ec7n \u0111i k\u00e8m gi\u00fap tr\u00e1nh d\u00f9ng sai ngu\u1ed3n, sai module ho\u1eb7c \u0111\u00e1nh gi\u00e1 nh\u1ea7m ch\u1ee9c n\u0103ng.<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/yourapx.com\/wp-content\/uploads\/c9300-48uxm-a-v01-chi-tiet-2-yourapx.jpg\" alt=\"s\u1eeda switch Cisco C9300-48UXM-A V01 - chi ti\u1ebft ki\u1ec3m tra 3\" style=\"display:block;width:100%;height:auto;aspect-ratio:16\/9;object-fit:cover;margin:0 auto\"\/><figcaption>H\u00ecnh \u1ea3nh ki\u1ec3m tra C9300-48UXM-A V01 t\u1ea1i trung t\u00e2m k\u1ef9 thu\u1eadt APX<\/figcaption><\/figure>\n<h2>4. Quy tr\u00ecnh APX ch\u1ea9n \u0111o\u00e1n Cisco C9300-48UXM-A V01<\/h2>\n<ol>\n<li>Ki\u1ec3m tra \u0111i\u1ec7n \u00e1p ngu\u1ed3n v\u00e0 tr\u1edf kh\u00e1ng c\u00e1c \u0111\u01b0\u1eddng ngu\u1ed3n ch\u00ednh.<\/li>\n<li>Ki\u1ec3m tra log console v\u00e0 tr\u00ecnh t\u1ef1 boot.<\/li>\n<li>Ki\u1ec3m tra link, t\u1ed1c \u0111\u1ed9 v\u00e0 l\u01b0u l\u01b0\u1ee3ng tr\u00ean t\u1eebng nh\u00f3m c\u1ed5ng.<\/li>\n<li>Ki\u1ec3m tra nhi\u1ec7t \u0111\u1ed9 CPU, switch ASIC v\u00e0 PHY.<\/li>\n<\/ol>\n<p>Sau khi khoanh v\u00f9ng \u0111\u01b0\u1ee3c nguy\u00ean nh\u00e2n, APX th\u00f4ng b\u00e1o h\u1ea1ng m\u1ee5c v\u00e0 ph\u01b0\u01a1ng \u00e1n x\u1eed l\u00fd \u0111\u1ec3 kh\u00e1ch h\u00e0ng quy\u1ebft \u0111\u1ecbnh. Thi\u1ebft b\u1ecb kh\u00f4ng \u0111\u01b0\u1ee3c thay linh ki\u1ec7n theo ph\u1ecfng \u0111o\u00e1n ho\u1eb7c s\u1eeda ngo\u00e0i n\u1ed9i dung \u0111\u00e3 th\u1ed1ng nh\u1ea5t.<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/yourapx.com\/wp-content\/uploads\/c9300-48uxm-a-v01-chi-tiet-2-yourapx.jpg\" alt=\"s\u1eeda switch Cisco C9300-48UXM-A V01 - chi ti\u1ebft ki\u1ec3m tra 4\" style=\"display:block;width:100%;height:auto;aspect-ratio:16\/9;object-fit:cover;margin:0 auto\"\/><figcaption>H\u00ecnh \u1ea3nh ki\u1ec3m tra C9300-48UXM-A V01 t\u1ea1i trung t\u00e2m k\u1ef9 thu\u1eadt APX<\/figcaption><\/figure>\n<h2>5. Ti\u00eau ch\u00ed ki\u1ec3m tra tr\u01b0\u1edbc khi b\u00e0n giao<\/h2>\n<ul>\n<li>Thi\u1ebft b\u1ecb kh\u1edfi \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh.<\/li>\n<li>C\u00e1c ch\u1ee9c n\u0103ng li\u00ean quan \u0111\u1ebfn h\u1ea1ng m\u1ee5c s\u1eeda ch\u1eefa \u0111\u01b0\u1ee3c th\u1eed th\u1ef1c t\u1ebf.<\/li>\n<li>Log v\u00e0 t\u00ecnh tr\u1ea1ng sau s\u1eeda ch\u1eefa kh\u00f4ng c\u00f2n l\u1ed7i \u0111\u00e3 ti\u1ebfp nh\u1eadn.<\/li>\n<li>K\u1ebft qu\u1ea3 ki\u1ec3m tra \u0111\u01b0\u1ee3c ghi nh\u1eadn tr\u01b0\u1edbc khi b\u00e0n giao.<\/li>\n<\/ul>\n<p>K\u1ebft qu\u1ea3 nghi\u1ec7m thu t\u1eadp trung v\u00e0o \u0111\u00fang hi\u1ec7n t\u01b0\u1ee3ng ti\u1ebfp nh\u1eadn v\u00e0 c\u00e1c ch\u1ee9c n\u0103ng li\u00ean quan. C\u1ea5u h\u00ecnh, ph\u1ee5 ki\u1ec7n thi\u1ebfu ho\u1eb7c h\u1ea1ng m\u1ee5c n\u1eb1m ngo\u00e0i ph\u1ea1m vi ki\u1ec3m tra \u0111\u01b0\u1ee3c ghi r\u00f5 \u0111\u1ec3 kh\u00e1ch h\u00e0ng d\u1ec5 \u0111\u1ed1i chi\u1ebfu.<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/yourapx.com\/wp-content\/uploads\/c9300-48uxm-a-v01-chi-tiet-5-yourapx.jpg\" alt=\"s\u1eeda switch Cisco C9300-48UXM-A V01 - chi ti\u1ebft ki\u1ec3m tra 5\" style=\"display:block;width:100%;height:auto;aspect-ratio:16\/9;object-fit:cover;margin:0 auto\"\/><figcaption>H\u00ecnh \u1ea3nh ki\u1ec3m tra C9300-48UXM-A V01 t\u1ea1i trung t\u00e2m k\u1ef9 thu\u1eadt APX<\/figcaption><\/figure>\n<h2>6. Kh\u00e1ch h\u00e0ng nh\u1eadn \u0111\u01b0\u1ee3c g\u00ec khi s\u1eeda ch\u1eefa t\u1ea1i APX?<\/h2>\n<ul>\n<li>Th\u00f4ng tin ti\u1ebfp nh\u1eadn g\u1ed3m model, serial, ph\u1ee5 ki\u1ec7n v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng ban \u0111\u1ea7u.<\/li>\n<li>K\u1ebft qu\u1ea3 ch\u1ea9n \u0111o\u00e1n v\u00e0 b\u00e1o gi\u00e1 tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n s\u1eeda ch\u1eefa.<\/li>\n<li>\u01afu ti\u00ean b\u1ea3o to\u00e0n c\u1ea5u h\u00ecnh khi thi\u1ebft b\u1ecb c\u00f2n truy c\u1eadp \u0111\u01b0\u1ee3c.<\/li>\n<li>Ki\u1ec3m tra ho\u1ea1t \u0111\u1ed9ng v\u00e0 ch\u1ea1y th\u1eed tr\u01b0\u1edbc khi b\u00e0n giao.<\/li>\n<li>B\u1ea3o h\u00e0nh theo \u0111\u00fang h\u1ea1ng m\u1ee5c \u0111\u00e3 s\u1eeda ch\u1eefa.<\/li>\n<\/ul>\n<p><strong>C\u00d4NG TY TNHH GI\u1ea2I PH\u00c1P THI\u1ebeT B\u1eca KHOA H\u1eccC V\u00c0 C\u00d4NG NGH\u1ec6 APX<\/strong> ti\u1ebfp nh\u1eadn thi\u1ebft b\u1ecb m\u1ea1ng, m\u00e1y ch\u1ee7 v\u00e0 thi\u1ebft b\u1ecb Data Center t\u1eeb kh\u00e1ch h\u00e0ng tr\u00ean to\u00e0n qu\u1ed1c.<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/yourapx.com\/wp-content\/uploads\/c9300-48uxm-a-v01-chi-tiet-6-yourapx.jpg\" alt=\"s\u1eeda switch Cisco C9300-48UXM-A V01 - chi ti\u1ebft ki\u1ec3m tra 6\" style=\"display:block;width:100%;height:auto;aspect-ratio:16\/9;object-fit:cover;margin:0 auto\"\/><figcaption>H\u00ecnh \u1ea3nh ki\u1ec3m tra C9300-48UXM-A V01 t\u1ea1i trung t\u00e2m k\u1ef9 thu\u1eadt APX<\/figcaption><\/figure>\n<h2>7. Li\u00ean h\u1ec7 ki\u1ec3m tra v\u00e0 s\u1eeda ch\u1eefa<\/h2>\n<p>Khi g\u1eedi Cisco C9300-48UXM-A V01, kh\u00e1ch h\u00e0ng n\u00ean cung c\u1ea5p hi\u1ec7n t\u01b0\u1ee3ng, \u1ea3nh tem model, ngu\u1ed3n ho\u1eb7c adapter \u0111i k\u00e8m v\u00e0 y\u00eau c\u1ea7u b\u1ea3o to\u00e0n c\u1ea5u h\u00ecnh. Website: <a href=\"https:\/\/yourapx.com\/\">Yourapx.com<\/a> \u00b7 Hotline: <a href=\"tel:0367247577\"><strong>0367 247 577<\/strong><\/a> \u00b7 Zalo: <a href=\"https:\/\/zalo.me\/0978626298\"><strong>0978 626 298<\/strong><\/a> \u00b7 <a href=\"https:\/\/www.facebook.com\/suachuaswichcisco\/\">Facebook APX<\/a>.<\/p>\n<p>Trung t\u00e2m k\u1ef9 thu\u1eadt: S\u1ed1 16A ng\u00f5 169 \u0111\u01b0\u1eddng Ho\u00e0ng Mai, Ph\u01b0\u1eddng T\u01b0\u01a1ng Mai, Th\u00e0nh ph\u1ed1 H\u00e0 N\u1ed9i.<\/p>\n<p><em>N\u1ed9i dung k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c APX r\u00e0 so\u00e1t tr\u01b0\u1edbc khi xu\u1ea5t b\u1ea3n; th\u00f4ng tin th\u1ef1c t\u1ebf c\u1ee7a t\u1eebng thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng ki\u1ec3m tra tr\u1ef1c ti\u1ebfp.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>D\u1ecbch v\u1ee5 s\u1eeda switch Cisco C9300-48UXM-A V01 l\u1ed7i ngu\u1ed3n, kh\u1edfi \u0111\u1ed9ng v\u00e0 ch\u1ee9c n\u0103ng ch\u00ednh t\u1ea1i APX. Ki\u1ec3m tra nguy\u00ean nh\u00e2n, ch\u1ea1y t\u1ea3i v\u00e0 nghi\u1ec7m thu tr\u01b0\u1edbc b\u00e0n giao.<\/p>\n","protected":false},"author":1,"featured_media":1726,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-1730","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bai-viet-moi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>S\u1eeda switch Cisco C9300-48UXM-A V01: l\u1ed7i ngu\u1ed3n v\u00e0 kh\u1edfi \u0111\u1ed9ng v\u00e0 ch\u1ee9c n\u0103ng ch\u00ednh - APX-CHUY\u00caN S\u1eecA THI\u1ebeT B\u1eca M\u1ea0NG<\/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:\/\/yourapx.com\/?p=1730\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"S\u1eeda switch Cisco C9300-48UXM-A V01: l\u1ed7i ngu\u1ed3n v\u00e0 kh\u1edfi \u0111\u1ed9ng v\u00e0 ch\u1ee9c n\u0103ng ch\u00ednh - APX-CHUY\u00caN S\u1eecA THI\u1ebeT B\u1eca M\u1ea0NG\" \/>\n<meta property=\"og:description\" content=\"D\u1ecbch v\u1ee5 s\u1eeda switch Cisco C9300-48UXM-A V01 l\u1ed7i ngu\u1ed3n, kh\u1edfi \u0111\u1ed9ng v\u00e0 ch\u1ee9c n\u0103ng ch\u00ednh t\u1ea1i APX. 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