{"id":1619,"date":"2017-04-07T09:33:13","date_gmt":"2017-04-07T02:33:13","guid":{"rendered":"https:\/\/engisv.info\/?p=1619"},"modified":"2017-04-07T09:33:13","modified_gmt":"2017-04-07T02:33:13","slug":"giam-sat-thong-mang-voi-prtg-network-monitor-cai-dat-va-su-dung-giao-thuc-snmp-de-giam-sat-thong-mang","status":"publish","type":"post","link":"https:\/\/www.engisv.info\/?p=1619","title":{"rendered":"C\u00e0i \u0111\u1eb7t PRTG Network Monitor v\u00e0 gi\u00e1m s\u00e1t thi\u1ebft b\u1ecb b\u1eb1ng SNMP"},"content":{"rendered":"<p>Trong b\u00e0i <a href=\"https:\/\/www.engisv.info\/?p=1308\" target=\"_blank\" rel=\"noopener\">Gi\u00e1m s\u00e1t h\u1ec7 th\u1ed1ng m\u1ea1ng (Network Monitoring)<\/a> ch\u00fang ta \u0111\u00e3 c\u00f3 kh\u00e1i ni\u1ec7m, nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng, c\u00e1c giao th\u1ee9c c\u0169ng nh\u01b0 c\u00e1c ph\u1ea7n m\u1ec1m h\u1ed7 tr\u1ee3 x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t m\u1ea1ng. Trong b\u00e0i n\u00e0y ch\u00fang ta s\u1ebd \u0111i tri\u1ec3n khai c\u00e0i \u0111\u1eb7t PRTG Network Monitor v\u00e0 gi\u00e1m s\u00e1t thi\u1ebft b\u1ecb b\u1eb1ng SNMP.<\/p>\n<p>PRTG Network Monitor l\u00e0 ph\u1ea7n m\u1ec1m ch\u1ea1y tr\u00ean m\u1ec1n Windows, ch\u00ednh \u0111i\u1ec1u n\u00e0y cho n\u00ean ph\u1ea7n m\u1ec1m n\u00e0y \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn gi\u1edbi thi\u1ec7u \u0111\u1ea7u ti\u00ean \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 h\u00ecnh dung th\u1ebf n\u00e0o l\u00e0 h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t m\u1ea1ng. Ph\u1ea7n m\u1ec1m n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf r\u1ea5t th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng, \u0111\u01a1n gi\u1ea3n, d\u1ec3 s\u1eed d\u1ee5ng. Phi\u00ean b\u1ea3n mi\u1ec5n ph\u00ed c\u1ee7a n\u00f3 cho ph\u00e9p gi\u00e1m s\u00e1t \u0111\u01b0\u1ee3c 100 sensor, n\u1ebfu m\u1ed7i thi\u1ebft b\u1ecb c\u00f3 b\u1ea1n gi\u00e1m s\u00e1t 10 sensor, th\u00ec v\u1edbi phi\u00ean b\u1ea3n mi\u1ec5n ph\u00ed b\u1ea1n c\u00f3 th\u1ec3 gi\u00e1m s\u00e1t \u0111\u01b0\u1ee3c 10 thi\u1ebft b\u1ecb. B\u1ea1n c\u00f3 th\u1ec3 t\u1ea3i ph\u1ea7n m\u1ec1m theo link:<\/p>\n<ul>\n<li><strong>Trang ch\u1ee7<\/strong>: <a href=\"https:\/\/www.paessler.com\" target=\"_blank\" rel=\"noopener\">https:\/\/www.paessler.com<\/a><\/li>\n<li><strong>Link download<\/strong>:\u00a0<a href=\"https:\/\/www.paessler.com\/prtg\/download\" target=\"_blank\" rel=\"noopener\">https:\/\/www.paessler.com\/prtg\/download<\/a><\/li>\n<\/ul>\n<p>Khi v\u00e0o t\u1ea3i \u1ee9ng d\u1ee5ng, ph\u1ea7n m\u1ec1m s\u1ebd cho b\u1ea1n License Key d\u00f9ng th\u1eed 30 ng\u00e0y c\u1ee7a b\u1ea3n \u0111\u1ea7y \u0111\u1ee7. N\u1ebfu sau 30 ng\u00e0y,b\u1ea1n kh\u00f4ng mua b\u1ea3n quy\u1ec1n m\u1edbi th\u00ec ph\u1ea7n m\u1ec1m s\u1ebd chuy\u1ec3n qua phi\u00ean b\u1ea3n mi\u1ec5n ph\u00ed v\u1edbi 100 sensor.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2385 \" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/04\/Mohinh-prtg.png\" alt=\"\" width=\"494\" height=\"465\" \/><\/p>\n<p><em><strong>Ch\u00fang ta s\u1ebd ti\u1ebfng h\u00e0ng c\u00e0i \u0111\u1eb7t m\u1ed9t h\u1ec7 th\u1ed1ng nh\u01b0 m\u00f4 h\u00ecnh tr\u00ean. Theo m\u00f4 h\u00ecnh ch\u00fang ta s\u1ebd c\u00f3:<\/strong><\/em><\/p>\n<ul>\n<li>M\u1ed9t modem k\u1ebft n\u1ed1i internet \u0111\u01b0\u1ee3c<a href=\"https:\/\/www.engisv.info\/?p=122\" target=\"_blank\" rel=\"noopener\"> gi\u1ea3 l\u1eadp b\u1eb1ng router 7200 tr\u00ean GNS3<\/a>.<\/li>\n<li>M\u1ed9t m\u00e1y \u00a0\u0111ang ch\u1ea1y Windows Server, c\u00f3 d\u1ecbch v\u1ee5 Domain Controllor v\u00e0 DNS.<\/li>\n<li>M\u1ed9t server (Monitor) ch\u1ea1y Windows Server v\u00e0 c\u00e0i \u0111\u1eb7t PRTG Network Monitor, m\u00e1y n\u00e0y kh\u00f4ng tri\u1ec3n khai b\u1ea5t c\u1ee9 d\u1ecbch v\u1ee5 web n\u00e0o tr\u00ean \u0111\u00f3 nh\u01b0 IIS hay Apache,&#8230;<\/li>\n<li>M\u1ed9t m\u00e1y client ch\u1ea1y Windows 7, d\u00f9ng \u0111\u1ec3 k\u1ebft n\u1ed1i \u0111\u1ebfn giao di\u1ec7n qu\u1ea3n tr\u1ecb c\u1ee7a\u00a0PRTG Network Monitor.<\/li>\n<\/ul>\n<p>Trong b\u00e0i n\u00e0y ch\u00fang ta s\u1ebd s\u1eed d\u1ee5ng giao th\u1ee9c SNMP \u0111\u1ec3 gi\u00e1m s\u00e1t modem internet v\u00e0 m\u00e1y Domain Controller.<\/p>\n<p>C\u00e0i \u0111\u1eb7t\u00a0PRTG Network Monitor: B\u1ea1n chu\u1ea9n b\u1ecb m\u1ed9t m\u00e1y ch\u1ea1y Windows server 2008, 2012 ho\u1eb7c 2016. Sau khi t\u1ea3i ph\u1ea7n m\u1ec1m, b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c m\u1ed9t file n\u00e9n .zip, gi\u1ea3i n\u00e9n file n\u00e0y ra, b\u1ea1n s\u1ebd c\u00f3 \u0111\u01b0\u1ee3c file c\u00e0i \u0111\u1eb7t c\u1ee7a \u1ee9ng d\u1ee5ng. Vi\u1ec7c c\u00e0i \u0111\u1eb7t c\u0169ng \u0111\u01a1n gi\u1ea3n nh\u01b0 c\u00e1c ph\u1ea7n m\u1ec1m kh\u00e1c.<\/p>\n<p>Khi c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m s\u1ebd y\u00eau c\u1ea7u b\u1ea1n nh\u1eadp \u0111\u1ecba chi email c\u1ee7a ng\u01b0\u1eddi qu\u1ea3n tr\u1ecb:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1627 aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/04\/prtg01-4.png\" alt=\"\" width=\"410\" height=\"320\" \/><\/p>\n<p>K\u1ebf ti\u1ebfp, ph\u1ea7n m\u1ec1m s\u1ebd y\u00eau c\u1ea7u b\u1ea1n nh\u1eadp\u00a0License Key, trong tr\u01b0\u1eddng h\u1ee3p b\u1ea1n chua c\u00f3 b\u1ea1n c\u00f3 th\u1ec3 click v\u00e0o d\u00f2ng &#8220;<strong>Click herer to request your free licence key (no question asked)<\/strong>&#8221; \u00a0\u0111\u1ec3 \u0111\u0103ng k\u00fd \u00a0key d\u00f9ng th\u1eed.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1628 aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/04\/prtg01-6.png\" alt=\"\" width=\"403\" height=\"315\" \/><\/p>\n<p>Sau khi c\u00e0i \u0111\u1eb7t xong, b\u1ea1n ki\u1ec3m tra trong <a href=\"https:\/\/www.engisv.info\/?p=1137\" target=\"_blank\" rel=\"noopener\">Windows Firewall with\u00a0Advanced<\/a>\u00a0Security s\u1ebd th\u1ea5y c\u00e1c rule c\u1ee7a PRTG Network Monitor \u0111\u01b0\u1ee3c t\u1ea1o ra cho ph\u00e9p c\u00e1c traffic ch\u1ea1y v\u00e0o \u1ee9ng d\u1ee5ng PRTG Network Monitor.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1629 size-large aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/04\/prtg01-1-1024x340.png\" alt=\"\" width=\"640\" height=\"213\" \/><\/p>\n<p><strong>Chuy\u1ec3n t\u1eeb k\u1ebft n\u1ed1i qu\u1ea3n tr\u1ecb t\u1eeb http sang https v\u00e0 \u0111\u1ed5i m\u1eadt kh\u1ea9u m\u1eb7c \u0111\u1ecbnh c\u1ee7a t\u00e0i kho\u1ea3n qu\u1ea3n tr\u1ecb \u00a0prtgadmin \u00a0PRTG Network Monitor:<\/strong><\/p>\n<p>Sau khi c\u00e0i \u0111\u1eb7t xong, b\u1ea1n c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i t\u1eeb client v\u00e0 nh\u1ea5n v\u00e0o n\u00fat Default Login \u0111\u1ec3 login v\u00e0o h\u1ec7 th\u1ed1ng.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1630 aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/04\/prtg01-8-1024x463.png\" alt=\"\" width=\"565\" height=\"255\" \/><\/p>\n<p>Sau khi login v\u00e0o, b\u1ea1n k\u00e9o xu\u1ed1ng v\u00e0 \u0111\u1ebfn v\u1ecb tr\u00ed &#8220;<strong>You should enable SSL encryption for the PRTG website!<\/strong>&#8220;, ch\u1ecdn v\u00e0o nut &#8220;<strong>Yes, Swithch to SSL<\/strong>&#8221; \u0111\u1ec3 chuy\u1ec3n vi\u1ec7c truy c\u1eadp web t\u1eeb http (port 80) kh\u00f4ng m\u00e3 h\u00f3a sang https (port 443) c\u00f3 m\u00e3 h\u00f3a.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1631 aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/04\/prtg01-10.png\" alt=\"\" width=\"548\" height=\"170\" \/><\/p>\n<p>Sau khi chuy\u1ec3n xong, h\u1ec7 th\u1ed1ng s\u1ebd chuy\u1ec3n qua https v\u00e0 t\u1eeb client s\u1ebd ph\u1ea3i truy c\u1eadp b\u1eb1ng https, b\u1ea1n l\u01b0u \u00fd l\u00e0 do Certificate PRTG t\u1ef1 t\u1ea1o ra n\u00ean n\u00f3 ch\u01b0a \u0111\u01b0\u1ee3c x\u00e1c th\u1ef1c qua c\u00e1c t\u1ed5 ch\u1ee9c c\u1ea5p CA ho\u1eb7c x\u00e1c th\u1ef1c qua h\u1ec7 th\u1ed1ng CA c\u1ee7a h\u1ec7 th\u1ed1ng m\u1ea1ng n\u00ean khi truy c\u1eadp tr\u00ecnh duy\u1ec7t c\u1ea3nh b\u00e1o l\u00e0 kh\u00f4ng an to\u00e0n. B\u1ea1n c\u00f3 th\u1ec3 nh\u1ea5n &#8220;<strong>Ti\u1ebfp t\u1ee5c truy c\u1eadp<\/strong>&#8221; \u0111\u1ec3 truy c\u1eadp v\u00e0o PRTG.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1632 aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/04\/prtg01-11-1024x596.png\" alt=\"\" width=\"546\" height=\"318\" \/><\/p>\n<p>Sau khi truy c\u1eadp v\u00e0o m\u1ed9t l\u1ea7n n\u1eefa th\u00f4ng qua https, b\u1ea1n ti\u1ebfp t\u1ee5c Login Default, sau \u0111\u00f3 k\u00e9o xu\u1ed1ng v\u1ecb tr\u00ed &#8220;<strong>You should set a secret password if your PRTG websitr is publicly accessible!<\/strong>&#8220;, click v\u00e0o n\u00fat &#8220;<strong>Change Default Password Now<\/strong>&#8221; \u0111\u1ec3 ti\u1ebfn h\u00e0nh \u0111\u1ed5i m\u1eadt kh\u1ea9u qu\u1ea3n tr\u1ecb.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1633 aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/04\/prtg01-12.png\" alt=\"\" width=\"490\" height=\"186\" \/><\/p>\n<p>Ti\u1ebfp theo b\u1ea1n \u0111i\u1ec1n password m\u1eb7c \u0111\u1ecbnh c\u1ee7a t\u00e0i kho\u1ea3n <strong>prtgadmin<\/strong> l\u00e0 <strong>prtgadmin<\/strong> v\u00e0o \u00f4 <strong>Old Password<\/strong>, sau \u0111\u00f3 \u0111i\u1ec1n v\u00e0o password m\u1edbi \u1edf<strong> New Password<\/strong> v\u00e0 <strong>Restype Password<\/strong>, password ph\u1ea3i c\u00f3 8 k\u00fd t\u1ef1, c\u00f3 k\u00fd in hoa v\u00e0 \u0111\u1ea3m bao \u0111\u1ed9 kh\u00f3, sau khi xong nh\u1ea5n n\u00fat <strong>Continue<\/strong> \u0111\u1ec3 k\u1ebft th\u00fac.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1634 aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/04\/prtg01-13.png\" alt=\"\" width=\"539\" height=\"431\" \/><\/p>\n<p>Sau khi b\u1ea1n \u0111\u1ed5i xong password qu\u1ea3n tr\u1ecb, b\u1ea1n ch\u1ecdn v\u00e0o Devices, \u0111\u00e2y l\u00e0 n\u01a1i qu\u1ea3n l\u00fd thi\u1ebft b\u1ecb, b\u1ea1n s\u1ebd th\u1ea5y c\u00e1c Group v\u00e0 \u00e1c thi\u1ebft b\u1ecb m\u1eb7c \u0111\u1ecbnh \u0111\u01b0\u1ee3c t\u1ea1o ra khi m\u1edbi c\u00e0i \u0111\u1eb7t \u1ee9ng d\u1ee5ng. B\u1ea1n c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf ho\u1eb7c th\u00eam v\u00e0o c\u00e1c group ho\u1eb7c thi\u1ebft b\u1ecb t\u00f9y \u00fd.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1635 aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/04\/prtg01-14.png\" alt=\"\" width=\"586\" height=\"358\" \/><\/p>\n<p>T\u1eeb c\u1eeda s\u1ed5\u00a0<strong>Devices<\/strong>, \u1edf Group Root, b\u1ea1n ch\u1ecdn v\u00e0o n\u00fat Settings v\u00e0 k\u00e9o xu\u1ed1ng d\u00f2ng <strong>Credentitals for snmp devices<\/strong>, \u0111\u00e2y l\u00e0 n\u01a1i khai b\u00e1o c\u00e1c th\u00f4ng tin \u0111\u1ec3 c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c theo d\u00f5i v\u00e0 PRTG Network Monitor c\u00f3 th\u1ec3 truy\u1ec1n th\u00f4ng v\u1edbi nhau th\u00f4ng qua SNMP. M\u1eb7c \u0111\u1ecbnh,\u00a0PRTG Network Monitor d\u00f9ng <strong>SNMP version v2c<\/strong>. B\u1ea1n c\u00f3 th\u1ec3 thay \u0111\u1ed5i th\u00f4ng tin trong <strong>Communicaty String<\/strong>, b\u1ea1n l\u01b0u \u00fd khi \u0111\u1ed5i th\u00ec ph\u1ea3i \u0111i\u1ec1n th\u00f4ng tin n\u00e0y cho \u0111\u00fang khi c\u1ea5u h\u00ecnh tr\u00ean c\u00e1c thi\u1ebft b\u1ecb.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1657 aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/04\/prtg01-18.png\" alt=\"\" width=\"620\" height=\"190\" \/><\/p>\n<p><strong>M\u1edf \u00a0SNMP tr\u00ean router 7200:<\/strong><\/p>\n<p>Trong b\u00e0i n\u00e0y, \u0111\u1ec3 b\u1eadt t\u00ednh n\u0103ng SNMP b\u1ea1n d\u00f9ng hai l\u1ec7nh:<\/p>\n<ul>\n<li>R1(config)#snmp-server community public RO<\/li>\n<li>R1(config)#snmp-server community private RW<\/li>\n<\/ul>\n<p>Tr\u00ean c\u00e1c thi\u1ec7t b\u1ecb kh\u00e1c nhau c\u00f3 y\u00eau c\u1ea7u m\u1edf d\u1ecbch v\u1ee5 kh\u00e1c nhau, b\u1ea1n c\u00f3 th\u1ec3 xem c\u00e1c h\u01b0\u1edbng d\u1ea9n c\u1ee7a nh\u00e0 cung c\u1ea5p thi\u1ebft b\u1ecb. Trong m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb kh\u00e1c, b\u1ea1n c\u00f3 th\u1ec3 b\u1eadt SNMP nh\u01b0 sau:<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1653 \" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/04\/prtg01-28.png\" alt=\"\" width=\"433\" height=\"205\" \/><\/p>\n<p><strong>M\u1edf SNMP tr\u00ean Windows:<\/strong><\/p>\n<p style=\"text-align: center;\">M\u1eb7c \u0111\u1ecbnh SNMP service ch\u01b0a \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t tr\u00ean Windows, b\u1ea1n v\u00e0o server manager, ch\u1ecdn Add Roles and Features v\u00e0 c\u00e0i \u0111\u1eb7t Feature SNMP service.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1646 \" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/04\/prtg01-24.png\" alt=\"\" width=\"545\" height=\"387\" \/><\/p>\n<p>Sau khi c\u00e0i \u0111\u1eb7t xong, \u00a0b\u1ea1n m\u1edf tr\u00ecnh qu\u1ea3n l\u00fd\u00a0Services<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1643 \" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/04\/prtg01-25.png\" alt=\"\" width=\"355\" height=\"198\" \/><\/p>\n<p>Trong tr\u00ecnh qu\u1ea3n l\u00fd Services, b\u1ea1n di chuy\u1ec3n \u0111\u1ebfn d\u00f2ng<strong> SNMP Service<\/strong>, ki\u1ec3m tra d\u1ecbch v\u1ee5 ph\u1ea3i \u0111ang ch\u1ea1y v\u00e0 \u0111\u01b0\u1ee3c kh\u1edfi \u0111\u1ed9ng chung v\u1edbi h\u1ec7 \u0111i\u1ec1u h\u00e0nh. Sau \u0111\u00f3 b\u1ea1n click ph\u1ea3i l\u00ean d\u1ecbch v\u1ee5 <strong>SNMP Service<\/strong> ch\u1ecdn <strong>Properties<\/strong>, ch\u1ecdn tab <strong>Security<\/strong> b\u1ea1n th\u00eam\u00a0v\u00e0o c\u00e1c th\u00f4ng tin Community v\u00e0 ch\u1ec9 \u0111\u1ecbnh server m\u00e0 th\u1ef1c hi\u1ec7n giao ti\u1ebfp SNMP.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1645 \" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/04\/prtg01-26.png\" alt=\"\" width=\"626\" height=\"429\" \/><\/p>\n<p><strong>Th\u00eam thi\u1ebft b\u1ecb v\u00e0o h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t c\u1ee7a\u00a0PRTG Network Monitor:<\/strong><\/p>\n<p>T\u1eeb giao di\u1ec7n Devices, Group Root, b\u1ea1n nh\u1ea5n n\u00fat <strong>Add Device<\/strong> \u0111\u1ec3 th\u00eam thi\u1ebft b\u1ecb.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1636 aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/04\/prtg01-19.png\" alt=\"\" width=\"559\" height=\"353\" \/><\/p>\n<p>Ti\u1ebfp theo b\u1ea1n, ch\u1ecdn v\u1ecb tr\u00ed Group cho thi\u1ebft b\u1ecb v\u00e0 nh\u1ea5n Continue.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1637 aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/04\/prtg01-20.png\" alt=\"\" width=\"583\" height=\"440\" \/><\/p>\n<p>Ti\u1ebfp theo b\u1ea1n \u0111i\u1ec1n v\u00e0o th\u00f4ng tin nh\u01b0 t\u00ean thi\u1ebft b\u1ecb, \u0111\u1ecba ch\u1ec9 IP ho\u1eb7c DNS name c\u1ee7a thi\u1ebft b\u1ecb (n\u1ebfu thi\u1ebft b\u1ecb \u0111\u00e3 \u0111\u01b0\u1ee3c DNS ph\u00e2n gi\u1ea3i IP sang t\u00ean), sau khi xong ban nh\u1ea5n \u00a0Continue \u0111\u1ec3 ho\u00e0n t\u1ea5t.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1638 aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/04\/prtg01-21.png\" alt=\"\" width=\"526\" height=\"395\" \/><\/p>\n<p>Tr\u1edf v\u1ec1 giao di\u1ec7n Devices, b\u1ea1n c\u00f3 hai t\u00f9y ch\u1ecdn l\u00e0:<\/p>\n<ul>\n<li><strong>Add Sensor<\/strong>: b\u1ea1n c\u00f3 th\u1ec3 add b\u1eb1ng tay nh\u1eefng g\u00ec m\u00e0 b\u1ea1n mu\u1ed1n theo d\u00f5i t\u1eeb thi\u1ebft b\u1ecb.<\/li>\n<li><strong>Run Auto-Discovery<\/strong>: t\u00f9y ch\u1ecdn n\u00e0y cho ph\u00e9p h\u1ec7 th\u1ed1ng s\u1ebd t\u1ef1 qu\u00e9t thi\u1ebft b\u1ecb v\u00e0 l\u1ea5y c\u00e1c th\u00f4ng tin m\u00e0 \u0111\u01b0\u1ee3c h\u1ec7 th\u1ed1ng thi\u1ebft l\u1eadp s\u1eb5n.<\/li>\n<\/ul>\n<p>T\u00f9y v\u00e0o thi\u1ebft b\u1ecb, m\u00e0 b\u1ea1n th\u00eam Sensor cho h\u1ee3p l\u00fd, b\u1ea1n c\u1ea7n t\u00ecm hi\u1ec3u nh\u1eefng Sensor \u0111\u00f3 l\u00e0 g\u00ec.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1639 aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/04\/prtg01-22.png\" alt=\"\" width=\"518\" height=\"92\" \/><\/p>\n<p>\u1ede \u0111\u00e2y, ch\u00fang ta ch\u1ecdn <strong>Run Auto-Discovery<\/strong>, sau khi ch\u1ea1y xong ta \u0111\u01b0\u1ee3c c\u00e1c th\u00f4ng tin nh\u01b0 h\u00ecnh. B\u1ea1n c\u00f3 th\u1ec3 click ch\u1ecdn \u0111\u1ec3 xem chi ti\u1ebft t\u1eebng Sensor m\u1ed9t.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1641 aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/04\/prtg01-27.png\" alt=\"\" width=\"753\" height=\"165\" \/><\/p>\n<p>B\u1ea1n th\u1ef1c hi\u1ec7n t\u01b0\u01a1ng t\u1ef1 cho c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c.<\/p>\n<p><iframe loading=\"lazy\" src=\"\/\/www.youtube.com\/embed\/Cx2TGKkzJuA\" width=\"560\" height=\"314\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong b\u00e0i Gi\u00e1m s\u00e1t h\u1ec7 th\u1ed1ng m\u1ea1ng (Network Monitoring) ch\u00fang ta \u0111\u00e3 c\u00f3 kh\u00e1i ni\u1ec7m, nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng, c\u00e1c giao th\u1ee9c c\u0169ng nh\u01b0 c\u00e1c ph\u1ea7n m\u1ec1m h\u1ed7 tr\u1ee3 x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t m\u1ea1ng. Trong b\u00e0i n\u00e0y ch\u00fang ta s\u1ebd \u0111i tri\u1ec3n khai c\u00e0i \u0111\u1eb7t PRTG Network Monitor v\u00e0 gi\u00e1m s\u00e1t thi\u1ebft b\u1ecb b\u1eb1ng SNMP. PRTG Network Monitor l\u00e0 ph\u1ea7n m\u1ec1m ch\u1ea1y tr\u00ean m\u1ec1n Windows, ch\u00ednh \u0111i\u1ec1u n\u00e0y cho n\u00ean ph\u1ea7n m\u1ec1m n\u00e0y \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn gi\u1edbi thi\u1ec7u \u0111\u1ea7u ti\u00ean \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 h\u00ecnh dung th\u1ebf n\u00e0o&hellip;<\/p>\n","protected":false},"author":2,"featured_media":1630,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"footnotes":""},"categories":[4,10],"tags":[52,55,58],"class_list":["post-1619","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mang","category-microsoft-windows","tag-network-monitor","tag-prtg","tag-snmp"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>C\u00e0i \u0111\u1eb7t PRTG Network Monitor v\u00e0 gi\u00e1m s\u00e1t thi\u1ebft b\u1ecb b\u1eb1ng SNMP - EngISV<\/title>\n<meta name=\"description\" content=\"Trong b\u00e0i Gi\u00e1m s\u00e1t h\u1ec7 th\u1ed1ng m\u1ea1ng (Network Monitoring) ch\u00fang ta \u0111\u00e3 c\u00f3 kh\u00e1i ni\u1ec7m, nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng, c\u00e1c giao th\u1ee9c c\u0169ng nh\u01b0 c\u00e1c ph\u1ea7n m\u1ec1m h\u1ed7 tr\u1ee3 x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t m\u1ea1ng. Trong b\u00e0i n\u00e0y ch\u00fang ta s\u1ebd \u0111i tri\u1ec3n khai c\u1ee5 th\u1ec3 ph\u1ea7n m\u1ec1m PRTG Network Monitor.\" \/>\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.engisv.info\/?p=1619\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u00e0i \u0111\u1eb7t PRTG Network Monitor v\u00e0 gi\u00e1m s\u00e1t thi\u1ebft b\u1ecb b\u1eb1ng SNMP - EngISV\" \/>\n<meta property=\"og:description\" content=\"Trong b\u00e0i Gi\u00e1m s\u00e1t h\u1ec7 th\u1ed1ng m\u1ea1ng (Network Monitoring) ch\u00fang ta \u0111\u00e3 c\u00f3 kh\u00e1i ni\u1ec7m, nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng, c\u00e1c giao th\u1ee9c c\u0169ng nh\u01b0 c\u00e1c ph\u1ea7n m\u1ec1m h\u1ed7 tr\u1ee3 x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t m\u1ea1ng. 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