{"id":466,"date":"2012-03-27T05:50:15","date_gmt":"2012-03-27T05:50:15","guid":{"rendered":"http:\/\/apollo89.com\/wordpress\/?p=466"},"modified":"2013-01-31T23:56:10","modified_gmt":"2013-01-31T14:56:10","slug":"snmp","status":"publish","type":"post","link":"https:\/\/apollo89.com\/wordpress\/?p=466","title":{"rendered":"SNMP(Simple Network Management Protocol)"},"content":{"rendered":"

 <\/p>\n

2.1\uc808. SNMP\ub780 \ubb34\uc5c7\uc778\uac00<\/p>\n

SNMP\ub294 Simple Network Management Protocol\uc758 \uc57d\uc790\uc774\ub2e4. \ud574\uc11d\uc744 \ud574\ubcf4\uc790\uba74 \uac04\ub2e8\ud55c \ub124\ud2b8\uc6cc\ud06c\uad00\ub9ac\ub97c \uc704\ud55c \uaddc\uc57d \uc778\ub370, \ub9d0\uadf8\ub300\ub85c SNMP\ub294 \ub124\ud2b8\uc6cc\ud06c\uad00\ub9ac\ub97c \uc704\ud55c \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub418\ub294 \ud504\ub85c\ud1a0\ucf5c\uc774\ub2e4. \uac00\uc7a5 \uc55e\uc5d0 Simple\ub77c\ub294 \ub2e8\uc5b4\uac00 \ubd99\uc5b4\uc788\ub294\ub370, \uc9c4\uc9dc\ub85c \uac04\ub2e8\ud55c \ud504\ub85c\ud1a0\ucf5c\uc778\uc9c0 \uc544\ub2cc\uc9c0\ub294 \uc0ac\ub78c\uc5d0 \ub530\ub77c \uc57d\uac04\uc529 \ucc28\uc774\uac00 \uc788\uc744\uc218 \uc788\ub2e4. \ud544\uc790\uac00 \ubcf4\uae30\uc5d4 \uadf8\ub9ac \ubcf5\uc7a1\ud55c \ud504\ub85c\ud1a0\ucf5c\uc740 \uc544\ub2cc\uac83 \uac19\uc740\ub370, \uc5b4\ub5a4 \uc0ac\ub78c\ub4e4\uc740 \ub9e4\uc6b0 \ubcf5\uc7a1\ud55c \ud504\ub85c\ud1a0\ucf5c \uc774\ub77c\uace0 \ub9d0\ud558\ub294 \uc0ac\ub78c\ub4e4\ub3c4 \uc788\ub2e4.<\/p>\n

\uadf8\ub7fc \uba3c\uc800 SNMP\uac00 \ub098\ud0c0\ub09c \ubc30\uacbd\uc5d0 \ub300\ud574\uc11c \uc54c\uc544\ubcf4\ub3c4\ub85d \ud558\uaca0\ub2e4. SNMP\uac00 \uc4f0\uc774\uae30 \uc804\uc5d0 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \ub124\ud2b8\uc6cc\ud06c \uad00\ub9ac\ub294 ICMP\uc5d0 \uc758\uc874\ud588\uc5c8\ub2e4. ICMP\ub294 Network\uacc4\uce35\uc758 \ud504\ub85c\ud1a0\ucf5c\ub85c\uc368, \uc6b4\uc601\uccb4\uc81c\uc5d0 \uad00\uacc4\uc5c6\uc774 \uc0ac\uc6a9\ud560\uc218 \uc788\ub294 \uac04\ub2e8\ud55c \ud504\ub85c\ud1a0\ucf5c\uc774\uc600\ub2e4. \uc774 \ud504\ub85c\ud1a0\ucf5c\uc744 \uc774\uc6a9\ud574\uc11c \uc6b0\ub9ac\ub294 \ub124\ud2b8\uc6cc\ud06c\ub85c \uc5f0\uacb0\ub41c \uac01\uac01\uc758 \ud638\uc2a4\ud2b8\uac00 \uc791\ub3d9\ud558\uace0 \uc788\ub294\uc9c0, \uc791\ub3d9\ud55c\ub2e4\uba74 \uc5b4\ub290\uc815\ub3c4\uc758 \uc751\ub2f5\uc2dc\uac04\uc744 \uac00\uc9c0\uace0 \uc791\ub3d9\ud558\ub294\uc9c0 \ub4f1\uc758 \uac04\ub2e8\ud55c \uc815\ubcf4\ub97c \uc5bb\uc744\uc218 \uc788\uc5c8\uc73c\uba70, \ucd08\uae30\uc5d0\ub294 \uc774\uc815\ub3c4\ub85c\ub3c4 \ud544\uc694\ud55c \ub124\ud2b8\uc6cc\ud06c \uad00\ub9ac\uac00 \uac00\ub2a5\ud588\uc5c8\ub2e4. ICMP\ub97c \uc774\uc6a9\ud55c \uac00\uc7a5 \uc720\uc6a9\ud55c \ub3c4\uad6c\ub294 \uc544\ub9c8\ub3c4 ping \ud504\ub85c\uadf8\ub7a8\uc77c \uac83\uc774\ub2e4.<\/p>\n

\uadf8\ub7ec\ub098 \uc778\ud130\ub137\uc758 \uc0ac\uc6a9\uc774 \ubcf4\ud3b8\ud654\ub418\uace0 \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc5f0\uacb0\ub41c \ud638\uc2a4\ud2b8\uc758 \uc218\uac00 \uc99d\uac00\ud558\uc790 \uac70\uae30\uc5d0 \ub530\ub77c\uc11c \ub124\ud2b8\uc6cc\ud06c \uad6c\uc131\uc5ed\uc2dc \ubcf5\uc7a1\ud574\uc9c0\uace0, ICMP\ub9cc\uc744 \uac00\uc9c0\uace0\ub294 \uc774\ub7ec\ud55c \ub124\ud2b8\uc6cc\ud06c\uc758 \uad00\ub9ac\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \ud560\uc218 \uc5c6\uac8c \ub418\uc5c8\ub2e4.<\/p>\n

\uadf8\ub798\uc11c \uba87\uac00\uc9c0 \ud504\ub85c\ud1a0\ucf5c\uc5d0 \ub300\ud55c \uc5f0\uad6c\uac00 \uc9c4\ud589\ub418\uc5c8\uace0, SGMP, HIMS, CMIP\/CMIS\ub4f1\uc774 \uc81c\uc548\ub418\uac8c \ub418\uc5c8\ub2e4. \uc774\uc911\uc5d0\uc11c SGMP\ub97c \ubc1c\uc804\uc2dc\ud0a8 SNMP\uac00 \uc0ac\uc2e4\uc0c1 \ub124\ud2b8\uc6cc\ud06c \uad00\ub9ac\ub97c \uc704\ud55c \ud45c\uc900\uc801\uc778 \ud504\ub85c\ud1a0\ucf5c\ub85c \uc790\ub9ac\uc7a1\uac8c \ub418\uc5c8\ub2e4. \ub2e4\ub978 \ud504\ub85c\ud1a0\ucf5c\ub4e4\uc774 \uc0ac\uc6a9\ub418\uc9c0 \uc54a\uc740\ub370\uc5d0\ub294 \uba87\uac00\uc9c0 \uc774\uc720\uac00 \uc788\uc5c8\ub2e4. CMIP\/CMIS\ub294 \ub108\ubb34 \ubc29\ub300\ud558\uace0 \ub108\ubb34 \ubcf5\uc7a1\ud588\uc73c\uba70, HEMS\uc758 \uacbd\uc6b0\uc5d0\ub294 \uc2e4\uc81c \uc801\uc6a9\uc0ac\ub840\uac00 \uc801\uc5c8\uae30 \ub54c\ubb38\uc774\ub2e4.<\/p>\n

\uc5b4\uca0b\ub4e0 SNMP\ub294 \uac70\uc758 \ub300\ubd80\ubd84\uc758 \uc6b4\uc601\uccb4\uc81c\uc5d0\uc11c \uc0ac\uc6a9\ub418\uc5b4 \uc9c0\uace0 \uc788\ub2e4. \uc5ec\ub7ec\ubd84\uc774 \uc0ac\uc6a9\ud558\ub294 Linux, \uadf8\ubc16\uc758 \ub300\ubd80\ubd84\uc758 \uc720\ub2c9\uc2a4\uc640, \uc708\ub3c4\uc6b0\uacc4\uc5f4 \uc6b4\uc601\uccb4\uc81c\ub294 \uae30\ubcf8\uc801\uc73c\ub85c SNMP\ud504\ub85c\ud1a0\ucf5c\uc744 \uc0ac\uc6a9\ud558\ub294 \ub3c4\uad6c\ub4e4\uc744 \uc81c\uacf5\ud558\uace0 \uc788\ub2e4. \uadf8\uc678\uc5d0\ub3c4 router\ub4f1 TCP\/IP\ub97c \ub124\ud2b8\uc6cc\ud06c \ud504\ub85c\ud1a0\ucf5c\ub85c \uc0ac\uc6a9\ub418\ub294 \uc6b4\uc601\uccb4\uc81c\ub4e4 \uc5ed\uc2dc SNMP\ub294 \ud544\uc218\uc801\uc73c\ub85c \uc81c\uacf5\ud558\uace0 \uc788\ub2e4.<\/p>\n

2.2\uc808. SNMP\ub85c \ud560\uc218 \uc788\ub294 \uac83\ub4e4<\/p>\n

SNMP\ub97c \uc774\uc6a9\ud574\uc11c \ud560\uc218 \uc788\ub294 \uac83\ub4e4\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n

\ub124\ud2b8\uc6cc\ud06c \uad6c\uc131\uad00\ub9ac
\n\ub124\ud2b8\uc6cc\ud06c\uc0c1\uc758 \ud638\uc2a4\ud2b8\ub4e4\uc774 \uc5b4\ub5a4 \uad6c\uc870\ub97c \uc774\ub8e8\uace0 \uc788\ub294\uc9c0 \uc9c0\ub3c4\ub97c \uadf8\ub9ac\ub294\uac8c \uac00\ub2a5\ud558\ub2e4.<\/p>\n

\uc131\ub2a5\uad00\ub9ac
\n\uac01 \ub124\ud2b8\uc6cc\ud06c \uc138\uadf8\uba3c\ud2b8\uac04 \ub124\ud2b8\uc6cc\ud06c \uc0ac\uc6a9\ub7c9, \uc5d0\ub7ec\ub7c9, \ucc98\ub9ac\uc18d\ub3c4, \uc751\ub2f5\uc2dc\uac04 \ub4f1 \uc131\ub2a5 \ubd84\uc11d\uc5d0 \ud544\uc694\ud55c \ud1b5\uacc4\uc815\ubcf4\ub97c \uc5bb\uc5b4\ub0bc\uc218 \uc788\ub2e4.<\/p>\n

\uc7a5\ube44\uad00\ub9ac
\nSNMP\uc758 \uc8fc\ubaa9\uc801\uc774 \ub124\ud2b8\uc6cc\ud06c\uad00\ub9ac\uad00\ub9ac \uc774\uae30\ub294 \ud558\uc9c0\ub9cc SNMP\ud2b9\uc720\uc758 \uc720\uc5f0\ud55c \ud655\uc7a5\uc131\uc744 \uc774\uc6a9\ud558\uc5ec\uc11c \uc2dc\uc2a4\ud15c\uc815\ubcf4(CPU, MEMORY, DISK \uc0ac\uc6a9\ub7c9)\uc758 \uc815\ubcf4\ub97c \uc5bb\uc5b4\uc62c \uc218 \uc788\ub3c4\ub85d \ub9ce\uc740 \ubd80\ubd84\uc774 \ud655\uc7a5\ub418\uc5c8\ub2e4. \uc774 \uc815\ubcf4\ub294 \ub124\ud2b8\uc6cc\ud06c\ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294\ub370 \ud070\ub3c4\uc6c0\uc744 \uc900\ub2e4. \uc608\ub97c\ub4e4\uc5b4 \ud2b9\uc815 \uc138\uadf8\uba3c\ud2b8\uc758 \ub124\ud2b8\uc6cc\ud06c \uc0ac\uc6a9\ub7c9\uc774 \uac11\uc790\uae30 \uae09\uc99d\ud588\ub294\ub370, \ud2b9\uc815 \ud638\uc2a4\ud2b8\uc758 CPU\uc0ac\uc6a9\uc728\uae4c\uc9c0 \uac11\uc790\uae30 \uc99d\uac00\ud588\ub2e4\uba74, \uc6b0\ub9ac\ub294 \ud574\ub2f9 \ud638\uc2a4\ud2b8\uc5d0\uc11c \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud588\uc744\uac83\uc774\ub780\uac78 \uc720\ucd94\ud574\ub0bc\uc218 \uc788\uc744\uac83\uc774\ub2e4.<\/p>\n

\ubcf4\uc548\uad00\ub9ac
\n\uc815\ubcf4\uc758 \uc81c\uc5b4 \ubc0f \ubcf4\ud638 \uae30\ub2a5, \ucd5c\uadfc\ubc84\uc83c\uc778 SNMP3\ub294 \ud2b9\ud788 \uc815\ubcf4\ubcf4\ud638\ub97c \uc704\ud55c \uae30\ub2a5\uc774 \ud5a5\uc0c1\ub418\uc5c8\ub2e4.<\/p>\n

2.3\uc808. SNMP\ub97c \ud1b5\ud55c \ub9dd\uc758 \uad6c\uc131<\/p>\n

SMTP\ub294 \uc778\ud130\ub137\uc0c1\uc5d0\uc11c \uba54\uc2dc\uc9c0\ub97c \uad50\ud658\ud558\uae30 \uc704\ud55c \ud504\ub85c\ud1a0\ucf5c\ub85c \uc0ac\uc6a9\ub418\uba70, \uc8fc\ub85c \uc804\uc790\uba54\uc77c \uad50\ud658\uc744 \uc704\ud574\uc11c \uc0ac\uc6a9\ub418\ub294 \ud504\ub85c\ud1a0\ucf5c\uc774\ub2e4. \uadf8\ub7ec\ub098 SMTP\ub294 \uc5b4\ub514\uae4c\uc9c0\ub098 \ud504\ub85c\ud1a0\ucf5c\uc77c \ubfd0\uc774\uba70, \uc2e4\uc81c \uba54\uc2dc\uc9c0\ub97c \uc778\ud130\ub137\uc0c1\uc5d0\uc11c \uc8fc\uace0 \ubc1b\uae30 \uc704\ud574\uc11c\ub294 SMTP\ud504\ub85c\ud1a0\ucf5c\uc744 \uc0ac\uc6a9\ud558\ub294 SMTP\uc11c\ubc84(Sendmail\uac19\uc740)\uc640 SMTP\ud074\ub77c\uc774\uc5b8\ud2b8(mutt, pine\uac19\uc740)\uac00 \uc900\ube44\ub418\uc5b4 \uc788\uc5b4\uc57c\ub9cc \ud55c\ub2e4.<\/p>\n

SNMP\uc5ed\uc2dc \uadf8\uc790\uccb4\ub85c\ub294 \ud504\ub85c\ud1a0\ucf5c\uc77c \ubfd0\uc774\uba70 SNMP\ud504\ub85c\ud1a0\ucf5c\uc744 \ud65c\uc6a9\ud574\uc11c \uc2e4\uc81c \ub124\ud2b8\uc6cc\ud06c \uad00\ub9ac \uc815\ubcf4\ub97c \uc5bb\uc5b4\uc624\uae30 \uc704\ud574\uc11c\ub294 \uc751\uc6a9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc774 \uc900\ube44\ub418\uc5b4\uc788\uc5b4\uc57c\ub9cc \ud55c\ub2e4. \ubcf4\ud1b5\uc758 \ub124\ud2b8\uc6cc\ud06c\ud504\ub85c\ud1a0\ucf5c\uc744 \uc0ac\uc6a9\ud558\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc774 \uc11c\ubc84\/\ud074\ub77c\uc774\uc5b8\ud2b8 \ubaa8\ub378\ub85c \uad6c\uc131\ub418\ub4ef\uc774 SNMP\uc5ed\uc2dc \uc11c\ubc84\uc640 \ud074\ub77c\uc774\uc5b8\ud2b8\ub85c \uad6c\uc131\ub41c\ub2e4.<\/p>\n

\"\uc0ac\uc6a9\uc790
\n\uadf8\ub9bc 1. SNMP\ub9dd \uad00\ub9ac \uc2dc\uc2a4\ud15c<\/p>\n

\uc77c\ubc18\uc801\uc73c\ub85c SNMP\ub9dd \uc5d0\uc11c\ub294 \uc11c\ubc84\/\ud074\ub77c\uc774\uc5b8\ud2b8\ub77c\uace0 \ubd80\ub974\uc9c0 \uc54a\uace0 snmp manager\/snmp agent\ub77c\uace0 \ubd80\ub978\ub2e4. snmp agent\ub294 \uad00\ub9ac\ub300\uc0c1\uc774 \ub418\ub294 \uc2dc\uc2a4\ud15c\uc5d0 \uc124\uce58\ub418\uc5b4\uc11c \ud544\uc694\ud55c \uc815\ubcf4(\ub124\ud2b8\uc6cc\ud06c \ud639\uc740 \uc2dc\uc2a4\ud15c)\ub97c \uc218\uc9d1\ud558\uae30 \uc704\ud55c snmp \ubaa8\ub4c8(\ud639\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158) \uc774\uba70, snmp manager\uc740 snmp agent\uac00 \uc124\uce58\ub41c \uc2dc\uc2a4\ud15c\uc5d0 \ud544\uc694\ud55c \uc815\ubcf4\ub97c \uc694\uccad\ud558\ub294 snmp \ubaa8\ub4c8\uc774\ub2e4. snmp agent\ub294 \uc11c\ubc84, snmp manager\uc740 \ud074\ub77c\uc774\uc5b8\ud2b8\ub85c \uc0dd\uac01\ud558\uba74 \uc774\ud574\ud558\uae30\uac00 \uc880\ub354 \uc218\uc6d4\ud560 \uac83\uc774\ub2e4(\uadf8\ub7ec\ub098 \ubc18\ub4dc\uc2dc agent\uac00 \uc11c\ubc84, manager\uc774 \ud074\ub77c\uc774\uc5b8\ud2b8\uac00 \ub418\ub294\uac74 \uc544\ub2c8\ub2e4. \uadf8\ub0e5 \uac1c\ub150\uc801\uc73c\ub85c \uc774\ud574\ub9cc \ud558\uace0 \uc788\ub3c4\ub85d \ud558\uc790).
\n2.4\uc808. MIB\uc5d0 \ub300\ud574\uc11c<\/p>\n

SNMP\ub294 \ub124\ud2b8\uc6cc\ud06c\ub97c \uad00\ub9ac\ud558\uae30 \uc704\ud55c \ud504\ub85c\ud1a0\ucf5c\uc774\ub2e4. \uadf8\ub807\ub2e4\uba74 \ubb34\uc5c7\uc744 \uad00\ub9ac\ud560 \uac83\uc778\uac00(\uad00\ub9ac\uac1d\uccb4)\ub97c \uacb0\uc815\ud574\uc57c \ud560\uac83\uc774\ub2e4. \uad00\ub9ac\uac1d\uccb4\ub97c \uacb0\uc815\ud588\ub2e4\uba74, \uc774\ub7ec\ud55c \uad00\ub9ac\uac1d\uccb4\ub97c \ud6a8\uacfc\uc801\uc73c\ub85c \uad00\ub9ac\ud558\uae30 \uc704\ud574\uc11c \uc774\ub97c \ubd84\ub958\ud574\uc57c \ud560\uac83\uc774\ub2e4. \uc774\uac8c \ubc14\ub85c MIB\uc774\ub2e4.<\/p>\n

MIB\ub294 Man In Black\uc758 \uc904\uc784\ub9d0\uc774 \uc544\ub2c8\ub2e4. Management Information Base\uc758 \uc904\uc784\ub9d0\uc778\ub370, \uad00\ub9ac\ub418\uc5b4\uc57c\ud560 \uc790\uc6d0 \uac1d\uccb4\uc758 \ubd84\ub958\ub41c \uc815\ubcf4\ub97c \ub9d0\ud55c\ub2e4. \uad00\ub9ac\ub418\uc5b4\uc57c\ud560 \uac1d\uccb4\ub294 \uc2dc\uc2a4\ud15c\uc815\ubcf4, \ub124\ud2b8\uc6cc\ud06c\uc0ac\uc6a9\ub7c9, \ub124\ud2b8\uc6cc\ud06c \uc778\ud130\ud398\uc774\uc2a4\uc815\ubcf4 \ub4f1\uc774 \ub41c\ub2e4.<\/p>\n

\uc774 MIB\uac1d\uccb4\ub4e4\uc740 \uad00\ub9ac\ud558\uae30 \ud3b8\ud558\ub3c4\ub85d Tree\uad6c\uc870\ub97c \uac00\uc9c0\uac8c \ub41c\ub2e4. \ub2e4\uc74c\uc740 MIB\uc758 \uc77c\ubc18\uc801\uc778 \uad6c\uc870\uc774\ub2e4.<\/p>\n

\uadf8\ub9bc 2. MIB\uacc4\uce35 \uad6c\uc870
\n\"\uc0ac\uc6a9\uc790<\/p>\n

MIB\ub294 \uc704\uc5d0\uc11c \ucc98\ub7fc \uacc4\uce35\uc801\uc778(\ub514\ub809\ud1a0\ub9ac) \uad6c\uc870\ub97c \uac00\uc9c0\uac8c \ub41c\ub2e4(\uc704\uc758 \uadf8\ub9bc\uc740 MIB\ub97c \uc124\uba85\ud558\uae30 \uc704\ud574 \uc77c\ubd80\ub9cc\uc744 \ud45c\uc2dc\ud558\uace0 \uc788\ub2e4). \uc608\ub97c\ub4e4\uc5b4\uc11c agent\uac00 \uc124\uce58\ub418\uc5b4 \uc788\ub294 \uc2dc\uc2a4\ud15c\uc73c\ub85c \ubd80\ud130 \uc2dc\uc2a4\ud15c\ubd80\uac00\uc815\ubcf4(sysDescr)\ub97c \uc5bb\uc5b4\uc624\uae38 \uc6d0\ud55c\ub2e4\uba74 ISO.org.dod.internet.mgmt.mib-2.system.sysDescr\uacfc \uac19\uc740 \uc2dd\uc73c\ub85c manger\uc5d0\uc11c \ub370\uc774\ud0c0\ub97c \uc694\uccad\ud558\uba74 \ub41c\ub2e4.
\n\uc704\uc758 MIB\uacc4\uce35 \uad6c\uc870\ub97c \ubcf4\uba74 \uac01 MIB\uc606\uc5d0 \uc22b\uc790\uac00 \uc788\ub294\uac83\uc744 \ubcfc\uc218 \uc788\ub2e4. \uc774 \uc22b\uc790\uac00 OID\ubc88\ud638\uc774\ub2e4. \uc989 sysDescr\uc758 OID\uac12\uc740 1.3.6.1.1.2.1.1.1 \uc774 \ub420\uac83\uc774\ub2e4. OID\ubc88\ud638\ub97c \uc774\uc6a9\ud558\ub294 \uc774\uc720\ub294 MIB\uace0\uc720 \ubb38\uc790\uc5f4\uc744 \ud1b5\ud574\uc11c \uc6d0\ud558\ub294 \ub370\uc774\ud0c0\ub97c \uac00\uc838\uc624\uae30\uc704\ud574\uc11c\ub294 \uc544\ubb34\ub798\ub3c4 \uc694\uccad\uc774 \uae38\uc5b4\uc9c8\uc218\uac00 \uc788\uae30 \ub54c\ubb38\uc774\ub2e4.<\/p>\n

MIB\ub294 IANA(Internet Assigned Number Authority)\ub77c\ub294 \ub2e8\uccb4\uc5d0\uc11c \uad00\ub9ac\ud558\uba70 \ud45c\uc900\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\uace0 \uc788\ub2e4. \uadf8\ub7fc\uc73c\ub85c \ud45c\uc900\uc801\uc778 MIB\uad6c\ud604\uc744 \uc704\ud574\uc11c\ub294 IANA\uc5d0\uc11c OID\ub97c \ubd80\uc5ec\ubc1b\uc544\uc57c\ub9cc \ud55c\ub2e4. \uadf8\ub798\uc57c \uc804\uccb4\ub124\ud2b8\uc6cc\ud06c\uc0c1\uc5d0\uc11c \ub2e4\ub978 \uc5ec\ub7ec\uac00\uc9c0 MIB\uc640 \uc911\ubcf5\ub418\uc9c0 \uc54a\uace0 \uc0ac\uc6a9\uc774 \uac00\ub2a5\ud560\uac83\uc774\ub2e4.<\/p>\n

\uc791\uc740 \uc815\ubcf4: cisco\uacfc \uac19\uc740 \ub300\uc911\uc801\uc778(\uac70\uc758 \ud45c\uc900\uc774\ub098 \ub9c8\ucc2c\uac00\uc9c0\uc778) \uc81c\ud488\ub4e4\uc740 \ubaa8\ub450 \uc790\uccb4\uc801\uc778 MIB\ub97c \uad6c\ud604\ud574\uc11c IANA\uc5d0 \ub4f1\ub85d\ud558\uc5ec \uc0ac\uc6a9\ud558\uace0 \uc788\ub2e4. \uc5ec\ub7ec\ubd84\uc774 cisco \ub77c\uc6b0\ud130\ub4f1\uc758 SNMP\uc815\ubcf4\ub97c \uc811\uadfc\ud560\uc218 \uc788\ub2e4\uba74 cisco MIB\uac00 \ub4f1\ub85d\ub418\uc5b4 \uc788\uc74c\uc744 \ud655\uc778\ud560\uc218 \uc788\uc744\uac83\uc774\ub2e4. \ud655\uc778\ud558\ub294 \ubc29\ubc95\uc740 \ub2e4\uc74c \uac15\uc88c\uc5d0\uc11c \ub530\ub85c \uc5b8\uae09\ud558\ub3c4\ub85d \ud558\uaca0\ub2e4.<\/p>\n

MIB\ub294 \uacc4\uce35\uc801 \uad6c\uc870\ub97c \uac00\uc9d0\uc73c\ub85c \ud544\uc694\uc5d0 \ub530\ub77c\uc11c \ud655\uc7a5\ud574\uc11c \uc0ac\uc6a9\uc774 \uac00\ub2a5\ud558\uba70, (\ubb3c\ub860 \ud504\ub85c\uadf8\ub798\ubc0d \ub2a5\ub825\uc774 \uc788\uc5b4\uc57c \ud558\uc9c0\ub9cc)\ub54c\uc5d0 \ub530\ub77c\uc11c\ub294 \uc790\uccb4 \ud68c\uc0ac\ub0b4\uc5d0\uc11c\ub9cc \uc0ac\uc6a9\uac00\ub2a5\ud558\uac70\ub098 \uc81c\ud55c\ub41c \ub124\ud2b8\uc6cc\ud06c \uc601\uc5ed\uc758 \ub124\ud2b8\uc6cc\ud06c\uc0c1\ud669\uc744 \uad00\uc81c\ud558\ub294 \uc81c\ud488\uc744 \uc704\ud55c MIB\ub97c \ucd94\uac00\ud574\uc57c \ud558\ub294\uacbd\uc6b0\uac00 \uc0dd\uae38\uc218 \uc788\uc744\uac83\uc774\ub2e4. \uadf8\ub798\uc11c \uc0ac\uc124\ub85c MIB\ub97c \ub9cc\ub4e4\uc5b4\uc11c \uc0ac\uc6a9\ud560\uc218 \uc788\ub294 \uc5ec\uc9c0\ub97c \ub0a8\uaca8\ub450\uc5c8\ub2e4. (\ub9c8\uce58 \ub3c5\ub9bd\ub41c \uc9c0\uc5ed\ub124\ud2b8\uc6cc\ud06c\ub97c \uc704\ud574 \uc0ac\uc124IP\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\ucc98\ub7fc) \uc774\ub7ec\ud55c \uc0ac\uc124 MIB\ub294private(4)\uc758 enterprises(1)\uc5d0 \uc815\uc758\ud574\uc11c \uc0ac\uc6a9\ud560\uc218 \uc788\ub2e4. \uc5ec\ub7ec\ubd84\uc774 \uadf8\ub9ac \ub300\uc911\uc801\uc774\uc9c0 \uc54a\uc740 \uadf8\ub798\uc11c IANA\uc5d0 \ub4f1\ub85d\ub418\uc9c0 \uc54a\uc740 \uc5b4\ub5a4 \uc7a5\ube44\uc758 \uace0\uc720 SNMP\uc815\ubcf4\ub97c \uc5bb\uc5b4\uc624\uace0 \uc2f6\ub2e4\uba74 \uc5c5\uccb4\uc5d0 \ubb38\uc758\ud558\uac70\ub098, \uba54\ub274\uc5bc\uc744 \ud655\uc778\ud558\ub294 \uc815\ub3c4\ub85c \uc27d\uac8c SNMP\uc815\ubcf4\ub97c \uc5bb\uc5b4\uc62c\uc218 \uc788\ub2e4.<\/p>\n

\ud604\uc7ac MIB\ub294 \ubc84\uc83c 2\uae4c\uc9c0\ub098\uc640 \uc788\uc73c\uba70, \ubc84\uc83c\uc758 \uad6c\ubd84\uc744 \uc704\ud574\uc11c MIB-1, MIB-2\ub85c \ubd80\ub974\uace0 \uc788\ub2e4. MIB-2\ub294 MIB-1\uc758 \ud655\uc7a5\ud310\uc73c\ub85c MIB-1\uc758 \ubaa8\ub4e0 \uac1d\uccb4\ub97c \ud3ec\ud568\ud558\uc5ec \uc57d 171\uac1c\uc758 \uac1d\uccb4\ub4e4\uc744 \ub354 \ud3ec\ud568\ud558\uace0 \uc788\ub2e4. \ucd5c\uadfc\uc758 \uc81c\ud488\ub4e4\uc740 \ub300\ubd80\ubd84 MIB-2\ub97c \uc9c0\uc6d0\ud558\uace0 \uc788\ub2e4. \ubb3c\ub860 \uc704\uc5d0\uc11c \ub9d0\ud588\ub4ef\uc774 \ub3c5\uc790\uc801\uc778 MIB\ub97c \ub9cc\ub4e4\uc5b4\uc11c \uc0ac\uc6a9\ud560\uc218 \uc788\uc73c\uba70, \uc774\ub97c \ud655\uc7a5 MIB\ub77c\uace0 \ubd80\ub978\ub2e4.<\/p>\n

2.5\uc808. SNMP \ud504\ub85c\ud1a0\ucf5c\uc758 \ub3d9\uc791\uacfc \uad6c\uc131<\/p>\n

\ud604\uc7ac SNMP\ub294 \ubc84\uc804 3\uac00\uc9c0 \ub098\uc640\uc788\ub294 \uc0c1\ud0dc\uc774\uc9c0\ub9cc \uc544\uc9c1\uae4c\uc9c0\ub294 \ubc84\uc83c2\uac00 \uac00\uc7a5 \ub110\ub9ac \uc0ac\uc6a9 \ub418\uace0 \uc788\ub2e4. \ud544\uc790\uc5ed\uc2dc SNMP \ubc84\uc83c 2\uc5d0 \ub300\ud55c \uacbd\ud5d8\uc774 \ub9ce\uc740 \uad00\uacc4\ub85c \ubc84\uc83c2\ub97c \uae30\uc900\uc73c\ub85c \uc124\uba85\ud558\ub3c4\ub85d \ud558\uaca0\ub2e4.<\/p>\n

SNMP\ub294 \uae30\ubcf8\uc801\uc73c\ub85c \ub124\ud2b8\uc6cc\ud06c \uc815\ubcf4\ub97c \uc218\uc9d1\ud558\ub294\ub370 \uadf8 \ubaa9\uc801\uc774 \uc788\ub294\ub370, \uc218\uc9d1\ud558\ub294 \uba87\uac00\uc9c0 \uac01\uac01 \ub2e4\ub978 \ubc29\ubc95\uc774 \uc788\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \uc0dd\uac01\ud574\uc11c \uc6b0\ub9ac\uac00 \uc0dd\ud65c\uc911\uc5d0 \uc5bb\uac8c \ub418\ub294 \uc815\ubcf4\ub294 \uc6b0\ub9ac\uac00 \uc694\uad6c\ud574\uc11c \ubc1c\uc0dd\ud558\ub294 \uc815\ubcf4\uc640(\uc2e0\ubb38\uc744 \uad6c\uc785\ud55c\ub2e4\ub4e0\uc9c0, \uc778\ud130\ub137\uc73c\ub85c \uc11c\ud551\uc744 \ud558\ub294\ub4f1) \ub274\uc2a4\uc18d\ubcf4\uc640 \uac19\uc740 \ud615\uc2dd\uc73c\ub85c \uc911\uc694\ud55c \uc77c\uc774 \uc788\uc744\ub54c \ubc1c\uc0dd\ud558\ub294 \uc815\ubcf4\uac00 \uc788\uc744\uac83\uc774\ub2e4. \ub610\ud55c \ub2e8\uc9c0 \uc815\ubcf4\ub97c \uc5bb\ub294\ub370 \uadf8\uce58\uc9c0 \uc54a\uace0 \uc815\ubcf4\ub97c \uc785\ub825\ud558\uae30\ub3c4 \ud55c\ub2e4.<\/p>\n

SNMP\uc815\ubcf4\uc218\uc9d1\uc5ed\uc2dc \uae30\ubcf8\uc801\uc73c\ub85c \uc704\uc758 \uc77c\uc0c1\uc0dd\ud65c\uc5d0\uc11c\uc758 \uc815\ubcf4\uc218\uc9d1\uacfc \uac19\uc740 \ubc29\uc2dd\uc73c\ub85c \uc774\ub8e8\uc5b4\uc9c4\ub2e4. \uc774\ud558 snmp manager\uc740 manager\ub85c snmp agent\ub294 agent\ub85c \ubd80\ub974\ub3c4\ub85d \ud55c\ub2e4.<\/p>\n

GET
\nmanager\uc5d0\uc11c agent\ub85c \ud2b9\uc815 \uc815\ubcf4\ub97c \uc694\uccad\ud558\uae30 \uc704\ud574\uc11c \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n

GET NEXT
\n\uae30\ubcf8\uc801\uc73c\ub85c\ub294 GET\uacfc \uac19\uc740\uc77c\uc744 \ud55c\ub2e4. \uadf8\ub7ec\ub098 SNMP\uc5d0\uc11c \uac01\uc815\ubcf4\ub4e4\uc740 \uacc4\uce35\uc801 \uad6c\uc870\ub85c \uad00\ub9ac\ub41c\ub2e4. \uc704\uc758 MIB\uacc4\uce35 \uad6c\uc870\ub97c \ub098\ud0c0\ub0b8 \uc774\ubbf8\uc9c0\uc5d0\uc11c \uc6b0\ub9ac\ub294 system(1)\uacc4\uce35\ubc11\uc5d0 \uc788\ub294 \ubaa8\ub4e0 \uc815\ubcf4\ub97c \uac00\uc838\uc624\uace0 \uc2f6\uc744 \ub54c\uac00 \uc788\uc744\uac83\uc774\ub2e4. \uadf8\ub7f4\uacbd\uc6b0 GET NEXT\ub97c \uc0ac\uc6a9\ud560\uc218 \uc788\ub2e4.<\/p>\n

SET
\nmanager\uc5d0\uc11c agent\ub85c \ud2b9\uc815 \uac12\uc744 \uc124\uc815\ud558\uae30 \uc704\ud574\uc11c \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n

TRAP
\nagent\uc5d0\uc11c \ud1b5\ubcf4\ud574\uc57c\ub420 \uc5b4\ub5a4 \uc815\ubcf4\uac00 \ubc1c\uc0dd\ud588\uc744\ub54c(\uc784\uacc4\uce58\ub97c \ub118\ub294\ub124\ud2b8\uc6cc\ud06c\uc790\uc6d0 \uc0ac\uc6a9\ub4f1) manager\uc5d0\uac8c \ud574\ub2f9 \uc0c1\ud669\uc744 \uc54c\ub9ac\uae30 \uc704\ud574\uc11c \uc0ac\uc6a9\ud55c\ub2e4. \uc704\uc758 \ub2e4\ub978 \uc694\uccad\ub4e4\uc774 \ub3d9\uae30\uc801 \uc694\uccad\uc774\ub77c\uba74 \uc774\uac83\uc740 \ube44\ub3d9\uae30\uc801 \uc0ac\uac74\uc744 \uc54c\ub9ac\uae30 \uc704\ud574\uc11c \uc0ac\uc6a9\ub418\uc5b4\uc9c4\ub2e4.<\/p>\n

SNMP\ud504\ub85c\ud1a0\ucf5c\uc740 \uae30\ubcf8\uc801\uc73c\ub85c \uc5b4\ub5a4 \uc815\ubcf4\ub97c \uc694\uccad\ud558\ub294 \uba54\uc2dc\uc9c0\uc640 \uc774\uc5d0 \ub300\ud55c \uc751\ub2f5\uba54\uc2dc\uc9c0\ub85c \uc774\ub8e8\uc5b4\uc9c0\uba70 \ub2e4\uc74c\uacfc \uac19\uc740 \uad6c\uc870\ub97c \uac00\uc9c0\uace0 \uc788\ub2e4.<\/p>\n

\ud45c 1. SNMP \uba54\uc2dc\uc9c0
\n| Version | Community name | SNMP | PDU |<\/p>\n

Version\uc740 \ub9d0\uc774 \ud544\uc694\uc5c6\ub2e4. SNMP\ud504\ub85c\ud1a0\ucf5c\uc758 \ubc84\uc83c\ubc88\ud638\ub97c \ub098\ud0c0\ub0b8\ub2e4. Community name\uc740 \uba54\ub2c8\uc800\uc640 \uc5d0\uc774\uc804\ud2b8\uac04\uc758 \uad00\uacc4\ub97c \ub098\ud0c0\ub0b4\ub294\ub370, \uc778\uc99d, \uc811\uadfc\ud1b5\uc81c\ub4f1\uc758 \ubaa9\uc801\uc73c\ub85c \uc0ac\uc6a9\ub41c\ub2e4. \ubcf4\ud1b5\uc740 \uac04\ub2e8\ud558\uac8c public\uc744 \uc0ac\uc6a9\ud55c\ub2e4.PDU \ub294 Physical Data Unit\uc758 \uc904\uc784\ub9d0\uc778\ub370, \uc2e4\uc81c \uc804\uc1a1\ub418\ub294 \ud544\uc694\ud55c \uc815\ubcf4\ub4e4\uc744 \ub2f4\uace0 \uc788\ub294 Unit\uc774\ub2e4. Unit \uc774\ub77c\uace0 \ud558\ub294 \uc774\uc720\ub294 \uc2e4\uc81c \uc804\uc1a1\ub418\ub294 \uc815\ubcf4\ub4e4\uc758 \ubd80\uac00 \uc18d\uc131\uc744 \ub098\ud0c0\ub0b4\uae30 \uc704\ud55c \uba87\uac00\uc9c0 \uac12\ub4e4\uc744 \ud3ec\ud568\ud558\uace0 \uc788\uae30 \ub54c\ubb38\uc774\ub2e4. PDU\ub294 PDU \ud0c0\uc785(GET\uc778\uc9c0 Set\uc778\uc9c0 GET Next\uc778\uc9c0, TRAP\uc778\uc9c0\ub4f1)\uacfc, Request-id, \uc2e4\uc81c\ubcf4\ub0b4\uace0\uc790 \ud558\ub294 \ub370\uc774\ud0c0\ub4f1(OID\uc640 OID\uc5d0 \ub300\ud55c \uac12\ub4e4)\uc73c\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\ub2e4.
\nSNMP\ub97c \ud1b5\ud574\uc11c \uc804\ub2ec\ub418\ub294 \uba54\uc2dc\uc9c0\ub4e4\uc740 \uae30\ubcf8\uc801\uc73c\ub85c UDP\ub97c \uc774\uc6a9\ud558\uac8c \ub41c\ub2e4. \ubc14\ub85c\uc704\uc5d0\uc11c PDU\ub294 Request-id\ub97c \ud3ec\ud568\ud558\uace0 \uc788\ub2e4\uace0 \ud588\ub294\ub370, \ub370\uc774\ud0c0\uadf8\ub7a8\ucc98\ub9ac\ubc29\uc2dd\uc778 UDP\uc758 \ub2e8\uc810\uc744 \uadf9\ubcf5\ud558\uae30 \uc704\ud574\uc11c \uc0ac\uc6a9\ub418\ub294 \uac12\uc73c\ub85c, \uac01 \uba54\uc2dc\uc9c0\uc758 \uc694\uccad\ubc88\ud638\ub97c \ud45c\uc2dc\ud55c\ub2e4. \uadf8\ub798\uc57c\ub9cc \uc218\uc2e0\ub41c SNMP\uba54\uc2dc\uc9c0\uac00 \uc5b4\ub5a4 \uc694\uccad\uc5d0 \ub300\ud574\uc11c \uc218\uc2e0\ub41c \uba54\uc2dc\uc9c0\uc778\uc9c0 \ud655\uc778\uc774 \uac00\ub2a5\ud560\uac83\uc774\uae30 \ub54c\ubb38\uc774\ub2e4.<\/p>\n

3\uc808. SNMP \uc124\uce58 \ubc0f \uc6b4\uc6a9<\/p>\n

\uadf8\ub7fc \uc2e4\uc81c\ub85c \uc2dc\uc2a4\ud15c\uc5d0 SNMP(agent\uc640 manager \uc560\ud50c\ub9ac\ucf00\uc774\uc158)\uc744 \uc124\uce58\ud574\uc11c \uc815\ubcf4\ub97c \uac00\uc838\uc624\ub294\uac78 \uac04\ub2e8\ud788 \ud14c\uc2a4\ud2b8 \ud574\ubcf4\ub3c4\ub85d \ud558\uaca0\ub2e4.<\/p>\n

\uc124\uce58\ub294 Linux(Kernel-2.4.x)\uc5d0\uc11c ucd-snmp\ub85c \ud560\uac83\uc774\ub2e4. \uc704\uc5d0\uc11c \uc124\uba85\ud588\ub4ef\uc774, SNMP\ub294 manager\uacfc agent\ub85c \uc6b4\uc601\ub418\uac8c \ub418\ub294\ub370, \ud14c\uc2a4\ud2b8\uc758 \ud3b8\uc758\ub97c \uc704\ud574\uc11c \ud558\ub098\uc758 \uc2dc\uc2a4\ud15c(localhost)\uc5d0\uc11c manager\uc640 agent\ub97c \uc6b4\uc6a9\ud558\ub3c4\ub85d \ud558\uaca0\ub2e4.<\/p>\n

3.1\uc808. ucd-snmp \uc124\uce58<\/p>\n

ucd-snmp\ub294 net-snmp.sourceforge.net\uc5d0\uc11c \uc5bb\uc744\uc218 \uc788\uc73c\uba70 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uad00\ub828 \uc815\ubcf4\ub4e4\ub3c4 \uc5bb\uc744\uc218 \uc788\ub2e4. ucd-snmp\ub294 \ud604\uc7ac \ubc84\uc83c 5.x\ub300\uae4c\uc9c0 \uc9c4\ud589\ub418\uc5b4 \uc788\ub294\ub370, 5.x\ubd80\ud130\ub294 net-snmp\ub85c \uc774\ub984\uc744 \ubc14\uafb8\uace0 \uac1c\ubc1c\ub418\uc5b4\uc9c0\uace0 \uc788\uc73c\uba70, 4.x\ubc84\uc83c\uae4c\uc9c0\ub97c ucd-snmp\ub77c\uace0 \ubd80\ub974\uace0 \uc788\ub2e4. \ud544\uc790\ub294 \uc775\uc219\ud55c ucd-snmp(\ubc84\uc83c 4.x)\ub97c \uc124\uce58\ud558\ub3c4\ub85d \ud560\uac83\uc774\ub2e4. \ube44\ub85d net-snmp\uac00 \ucd5c\uc2e0\uc774\uae34 \ud558\uc9c0\ub9cc \ubcc4\ub85c \ub2e4\ub8e8\uc5b4\ubcf8\uc801\uc774 \uc5c6\uace0, \ub300\ubd80\ubd84\uc758 \uacbd\uc6b0 \uc544\uc9c1\uae4c\uc9c0\ub294 ucd-snmp\uac00 \ub9ce\uc774 \uc0ac\uc6a9\ub418\uc5b4\uc9c0\uace0 \uc788\uae30 \ub54c\ubb38\uc774\ub2e4. \ucd5c\uc2e0\uc774 \uc544\ub2c8\ub77c\uace0 \ubd88\ub9cc\uc744 \uac00\uc9c8 \ud544\uc694\ub294 \uc5c6\ub2e4. \uadfc\ubcf8\uc801\uc73c\ub85c net-snmp\uc640 ucd-snmp\uac04\uc758 \ucc28\uc774\ub294 \uc5c6\uc73c\uba70, \uc6b0\ub9ac\uc758 \ubaa9\uc801\uc740 \ucd5c\uc2e0\uc758 snmp\uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \ud14c\uc2a4\ud2b8\ud558\ub294\uac8c \uc544\ub2cc snmp\uc758 \uae30\ub2a5\uacfc \uc6d0\ub9ac\ub97c \uc774\ud574\ud558\uace0 \uc774\ub97c \uc774\uc6a9\ud574\uc11c \ud544\uc694\ud55c \uc751\uc6a9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc791\uc131\ud558\ub294 \uac83\uc774\uae30 \ub54c\ubb38\uc774\ub2e4.<\/p>\n

\uc704\uc758 URL\uc5d0\uc11c ucd-snmp\ub97c \ub2e4\uc6b4\ubc1b\uc544\uc11c \uc555\ucd95\uc744 \ud480\uace0 \ucef4\ud30c\uc77c \ud558\ub3c4\ub85d \ud558\uc790. \ucef4\ud30c\uc77c \ud558\ub294\uc911\uc5d0\ub294 \uc544\ub9c8\ub3c4 \uc544\ubb34\ub7f0 \ubb38\uc81c\uac00 \uc5c6\uc744\uac83\uc774\ub2e4. \ucef4\ud30c\uc77c\uc740 \ub9e4\uc6b0 \uc77c\ubc18\uc801\uc778 \ubc29\ubc95\uc744 \ub530\ub978\ub2e4. \uc801\ub2f9\ud55c \ub514\ub809\ud1a0\ub9ac\uc5d0 \uc555\ucd95\uc744 \ud480\uace0 .\/configure, make, make install \ud558\uba74\ub41c\ub2e4.<\/p>\n

]# tar -xvzf ucd-snmp-4.2.6.tar.gz\r\n]# cd ucd-snmp-4.2.6\r\n]# .\/configure\r\n]# make\r\n]# make install\r\n<\/pre>\n
\ud5e4\uc5d0… \ub108\ubb34 \uac04\ub2e8\ud558\uc9c0 \uc54a\uc740\uac00 ?<\/p>\n
3.2\uc808. SNMP AGENT \uc2e4\ud589<\/p>\n
make install \uae4c\uc9c0 \ud588\ub2e4\uba74 agent\uc640 manager\ud504\ub85c\uadf8\ub7a8\uc774 \ubaa8\ub450 \uc124\uce58\ub418\uc5b4 \uc788\uc744 \uac83\uc774\ub2e4. \uadf8\ub9ac\uace0 \uc5ec\uae30\uc5d0 \ub354\ubd88\uc5b4 \uac1c\ubc1c\uc790\ub97c \uc704\ud55c \uac01\uc885 \ub77c\uc774\ube0c\ub7ec\ub9ac\uc640 \ud5e4\ub354\ud30c\uc77c\ub4e4\ub3c4 \uc124\uce58\ub41c\ub2e4. \uc774 \ub77c\uc774\ube0c\ub7ec\ub9ac\uc640 \ud5e4\ub354\ud30c\uc77c\ub4e4\uc740 \uac1c\ubc1c\ud560\ub54c \ud544\uc694\ud558\uba70 \ub2e4\uc74c \uac15\uc88c\uc5d0\uc11c \ub2e4\ub8e8\uac8c \ub420\uac83\uc774\ub2e4.<\/p>\n
ucd-snmp\ub294 agent \ud504\ub85c\uadf8\ub7a8\uc73c\ub85c snmpd\ub97c \uc81c\uacf5\ud55c\ub2e4. agent\ud658\uacbd\uc744 \uc81c\ub300\ub85c \ub9cc\ub4e4\ub824\uba74 \ubcf5\uc7a1\ud574\ubcf4\uc774\ub294(\uc0ac\uc2e4\uc740 \uadf8\ub9ac \ubcf5\uc7a1\ud558\ub2e4\uace0 \ubcfc\uc218\uc5c6\ub294) \uc124\uc815\ud30c\uc77c\uc744 \ub9cc\ub4e4\uc5b4\uc918\uc57c \ud558\uc9c0\ub9cc \uc774\uac83\uc740 \uac01\uc790\uc758 \ubaab\uc774\ub2e4. net-snmp\ud504\ub85c\uc81d\ud2b8 \ud648\ud398\uc774\uc9c0\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \uba54\ub274\uc5bc\uc744 \ucc38\uace0\ud558\uae30 \ubc14\ub780\ub2e4. \uc5b4\uca0b\ub4e0 \ud604\uc7ac\ub85c\uc368\ub294 \ub2e8\uc9c0 snmpd\ub97c \ub744\uc6b0\ub294 \uc815\ub3c4\ub85c snmp agent\ud658\uacbd\uc744 \ub9cc\ub4e4\uc218 \uc788\ub2e4.<\/p>\n
]# snmpd<\/pre>\n
\uc774\uac83\uc73c\ub85c snmp\ub97c \ud14c\uc2a4\ud2b8\ud560 \ucd5c\uc18c\ud55c\uc758 agent\ud658\uacbd\uc774 \uad6c\ucd95\ub418\uc5c8\ub2e4.
\n3.3\uc808. SNMP MANAGER \ud14c\uc2a4\ud2b8<\/p>\n
3.3.1\uc808. \ub3d9\uae30\uc801\uc778 \ub370\uc774\ud0c0 \uc694\uccad – snmp get, get next<\/p>\n
GET\uacfc GET NEXT\ub294 \ub3d9\uae30\uc801\uc778 \uc815\ubcf4\uc694\uccad\uc744 \uc704\ud574\uc11c \uc0ac\uc6a9\ud55c\ub2e4. manager\uc5d0\uc11c agent\uc5d0 \ub300\ud574\uc11c \uc815\ubcf4\ub97c \uc694\uccad\ud588\uc744\ub54c \ud574\ub2f9 \uc815\ubcf4\ub97c agent\uc5d0\uc11c \ubcf4\ub0b4\uc8fc\ub294 \ubc29\uc2dd\uc774\ub2e4. GET\uc740 \ub2e8\uc77c\uc815\ubcf4\uc694\uccad\uc744 \uc704\ud574\uc11c \uc0ac\uc6a9\ud558\uba70, GET NEXT\ub294 \ud574\ub2f9 \uacc4\uce35\uc758 \ud558\uc704\uc5d0 \uc788\ub294 \ubaa8\ub4e0 \uc815\ubcf4\uc758 \uc694\uccad\uc744 \uc704\ud574\uc11c \uc0ac\uc6a9\ub41c\ub2e4.<\/p>\n
ucd-snmp\ub294 \uc774\ub7ec\ud55c \uc815\ubcf4\uc694\uccad\uc744 \uc704\ud55c manager\ud504\ub85c\uadf8\ub7a8\uc73c\ub85c snmpget\uacfc snmpnext, snmpwalk\ub97c \uc81c\uacf5\ud55c\ub2e4.<\/p>\n
snmpget\uc740 \uc774\ub984\uc5d0\uc11c \uc54c\uc218 \uc788\ub4ef\uc774 agent\ub85c\ubd80\ud130 \ud2b9\uc815\ud55c \uc815\ubcf4\ub97c \uc5bb\uc5b4\ub0b4\uae30 \uc704\ud574\uc11c \uc0ac\uc6a9\ud55c\ub2e4. \uc815\ubcf4\ub97c \uc5bb\uae30 \uc704\ud574 \ud544\uc694\ud55c \uae30\ubcf8\uc815\ubcf4\ub294 agent\uac00 \uc124\uce58\ub418\uc5b4 \uc788\ub294 \uc11c\ubc84\uc758 \uc8fc\uc18c(\ud639\uc740 \uc774\ub984) \uc640 \ucee4\ubba4\ub2c8\ud2f0(\uad8c\ud55c\uc744 \uc704\ud55c)\uc774\ub984 \uadf8\ub9ac\uace0 \uc5bb\uae30 \uc6d0\ud558\ub294 \uc815\ubcf4\uc758 OID\ubc88\ud638 \ud639\uc740 MIB\uc758 \uacc4\uce35\uc774\ub984\uc774\ub2e4. \uc608\ub97c\ub4e4\uc5b4\uc11c localhost\ub85c\ubd80\ud130 public\uad8c\ud55c\uc744 \uac00\uc9c0\uace0 sysDescr(\uc2dc\uc2a4\ud15c \ubd80\uac00\uc815\ubcf4)\uc815\ubcf4\ub97c \uc5bb\uc5b4\uc624\uace0 \uc2f6\ub2e4\uba74 \uc544\ub798\uc640 \uac19\uc774 \ud558\uba74 \ub41c\ub2e4.<\/p>\n
]# snmpget localhost public system.sysDescr.0\r\nsystem.sysDescr.0 = Linux localhost 2.4.2-2 #1 Sun Apr 8 20:41:30 EDT 2001 i686\r\n<\/pre>\n
\ud639\uc740 MIB\uc774\ub984\ub300\uc2e0\uc5d0 OID\ubc88\ud638\ub97c \uc0ac\uc6a9\ud574\ub3c4 \ub41c\ub2e4.<\/p>\n
]# snmpget localhost public 1.1.0\r\nsystem.sysDescr.0 = Linux localhost 2.4.2-2 #1 Sun Apr 8 20:41:30 EDT 2001 i686\r\n<\/pre>\n
snmpwalk\ub294 \ud574\ub2f9 MIB\uc758 \ud558\uc704\uacc4\uce35\uc5d0 \uc788\ub294 \ubaa8\ub4e0 \uc815\ubcf4\ub97c \uc694\uccad\ud55c\ub2e4. \uc608\ub97c\ub4e4\uc5b4 system MIB\uc758 \ud558\uc704 \uacc4\uce35\uc5d0 \uc788\ub294 \ubaa8\ub4e0 OID\uc5d0 \ub300\ud55c \uc815\ubcf4\ub97c \uc694\uccad\ud558\uae38 \uc6d0\ud55c\ub2e4\uba74 \uc544\ub798\uc640 \uac19\uc774 \ud558\uba74\ub41c\ub2e4. \uc774\uac8c \uac00\ub2a5\ud55c \uc774\uc720\ub294 snmpwalk\uac00 \uc815\ubcf4\ub97c \uc694\uccad\ud558\uae30 \uc704\ud574\uc11c snmp\uba54\uc2dc\uc9c0\ub97c \ub9cc\ub4e4\ub54c PDU\ud0c0\uc785\uc744 GET NEXT\ub97c \uc0ac\uc6a9\ud558\uae30 \ub54c\ubb38\uc774\ub2e4. \ub098\uc911\uc5d0 \uc9c1\uc811\uad6c\ud604\ud558\uac8c \ub420\uac83\uc774\ub2e4. \uc9c0\uae08\uc740 \uad6c\ud604\uc5d0 \uc2e0\uacbd\uc4f0\uc9c0 \ub9d0\uc790.<\/p>\n
]# snmpwalk localhost public system\r\nsystem.sysDescr.0 = Linux localhost 2.4.2-2 #1 Sun Apr 8 20:41:30 EDT 2001 i686\r\nsystem.sysObjectID.0 = OID: enterprises.ucdavis.ucdSnmpAgent.linux\r\nsystem.sysUpTime.0 = Timeticks: (2685699) 7:27:36.99\r\nsystem.sysContact.0 = yundream@joinc.co.kr\r\nsystem.sysName.0 = localhost\r\nsystem.sysLocation.0 = myhome\r\nsystem.sysORLastChange.0 = Timeticks: (0) 0:00:00.00\r\n....\r\n<\/pre>\n
system\ud558\uc704\uc758 \ubaa8\ub4e0 OID\uc5d0 \ub300\ud55c \uc815\ubcf4\ub97c \uc5bb\uc5b4\uc624\uace0 \uc788\uc74c\uc744 \ud655\uc778\ud560\uc218 \uc788\ub2e4.
\nsnmpgetnext\ub294 snmpwalk\uc758 \uae30\ub2a5 \ucd95\uc18c\ud310\uc815\ub3c4\ub85c \ubcfc\uc218 \uc788\uc744\uac83\uc774\ub2e4. \uc989 MIB\uacc4\uce35\uad6c\uc870\uc5d0\uc11c \ud604\uc7ac \uc694\uccad\ud55c OID\uc758 \ub2e4\uc74c OID\uc758 \uc815\ubcf4\ub97c \uac00\uc838\uc628\ub2e4. \uc608\ub97c\ub4e4\uc5b4 system.sysDescr.0\uc5d0 \ub300\ud55c \uc815\ubcf4\ub97c \uc694\uccad\ud558\uba74 \ub2e4\uc74c OID\uc778 system.sysObjectID.0\uc758 \uc815\ubcf4\ub97c \uc694\uccad\ud558\uac8c \ub420\uac83\uc774\ub2e4. \uc774\uac8c \uac00\ub2a5\ud55c \uc774\uc720\ub294 snmpwalk\uc640 \ub9c8\ucc2c\uac00\uc9c0\ub85c \ub0b4\ubd80\uc801\uc73c\ub85c GET NEXT\ub97c \uc774\uc6a9\ud558\uace0 \uc788\uae30 \ub54c\ubb38\uc774\ub2e4. snmpwalk\uac00 \ub354\uc774\uc0c1 \uc5bb\uc744\uc218 \uc5c6\uc744\ub54c\uae4c\uc9c0 OID\ub97c \uc694\uccad\ud558\ub294\uac83\uacfc \ub2ec\ub9ac snmpgetnext \ubc14\ub85c\ub2e4\uc74c\uc758 OID\ub9cc\uc744 \uc694\uccad\ud55c\ub2e4.<\/p>\n
]# snmpgetnext localhost public system system.sysDescr.0\r\nsystem.sysDescr.0 = Linux localhost 2.4.2-2 #1 Sun Apr 8 20:41:30 EDT 2001 i686\r\nsystem.sysObjectID.0 = OID: enterprises.ucdavis.ucdSnmpAgent.linux\r\n<\/pre>\n
3.3.2\uc808. \ube44\ub3d9\uae30\uc801\uc778 \ub370\uc774\ud0c0 \uc694\uccad – snmp trap<\/p>\n
\uae30\ubcf8\uc801\uc73c\ub85c GET, GET NEXT\ub97c \ud1b5\ud55c \ub370\uc774\ud0c0\uc694\uccad\uc740 \uc77c\uc815\ud55c polling\uc2dc\uac04\uc744 \uac00\uc9c0\uace0 manager\uc5d0\uc11c agent\ub85c \ud544\uc694\ud55c \uc815\ubcf4\ub97c \uc694\uccad\ud558\ub294 \ubc29\uc2dd\uc774\ub2e4. \uadf8\ub7ec\ub098 \uc774\uac78 \uc774\uc6a9\ud574\uc11c\ub294 \ube44\ub3d9\uae30\uc801\uc73c\ub85c \ubc1c\uc0dd\ud558\ub294 \uc815\ubcf4\ub97c \uc218\uc9d1\ud560\uc218\uac00 \uc5c6\ub2e4.<\/p>\n
\uc774\ub7ec\ud55c \ube44\ub3d9\uae30\uc801\uc778 \uc815\ubcf4\ub294 \uc5ec\ub7ec\uac00\uc9c0\uac00 \ub420\uc218 \uc788\ub2e4. \uc608\ub97c\ub4e4\uba74 \ud2b9\uc815 \ub124\ud2b8\uc6cc\ud06c \uc138\uadf8\uba3c\ud2b8\uc5d0 \ubb38\uc81c\uac00 \uc0dd\uacbc\ub2e4\uac70\ub098 \ub514\uc2a4\ud06c\ub098 \uba54\ubaa8\ub9ac\uc6a9\ub7c9\uc744 \uacfc\ub2e4\ud558\uac8c \uc0ac\uc6a9\ud558\uace0 \uc788\ub2e4\uac70\ub098(\ub9ce\uc740 \uc6b4\uc601\uccb4\uc81c\uc758 \uacbd\uc6b0 \uc2dc\uc2a4\ud15c\uc815\ubcf4\uae4c\uc9c0\ub3c4 snmp\ub97c \ud1b5\ud574\uc11c \uc5bb\uc744\uc218 \uc788\ub3c4\ub85d \ud5c8\uc6a9\ud558\uace0 \uc788\ub2e4)\ud558\ub294 \uc0ac\uac74\ub4e4\uc740 \ube44\ub3d9\uae30\uc801\uc73c\ub85c \ubc1c\uc0dd\ud560\uac83\uc774\ub2e4. \uc774\ub7f4\uacbd\uc6b0\uc5d0\ub294 agent\uc5d0\uc11c manager\uce21\uc73c\ub85c \uc0ac\uac74\uc744 \ud1b5\ubcf4\ud574\uc57c \ud560\uac83\uc774\ub2e4. \uc774\ub807\uac8c agent\uc5d0\uc11c manager\uce21\uc73c\ub85c \ube44\ub3d9\uae30\uc801\uc73c\ub85c \uc0ac\uac74\uc744 \ud1b5\ubcf4\ud558\ub294 \uac83\uc744 SNMP TRAP\ub77c\uace0 \ud55c\ub2e4(\uac04\ub2e8\ud788 \ub9d0\ud574\uc11c \uacbd\uace0\uba54\uc2dc\uc9c0 \ubcf4\ub0b4\ub294\uac70\ub2e4).<\/p>\n
ucd-snmp\uc5d0\uc11c\ub294 \uc774\ub7ec\ud55c trap\uc815\ubcf4\ub97c \uc804\uc1a1\ud558\uace0 \ubc1b\uae30 \uc704\ud574\uc11c snmptrapd\uc640 snmptrap\ub97c \uc81c\uacf5\ud55c\ub2e4. snmptrapd\ub294 agent\uc5d0 \uc81c\uacf5\ub418\ub294 \ub370\ubaac\ud504\ub85c\uadf8\ub7a8\uc73c\ub85c manager\uc5d0\uc11c\uc758 trap\ub370\uc774\ud0c0 \ubc1c\uc0dd\uc744 \uae30\ub2e4\ub9b0\ub2e4. snmptrap\ub294 agent\uc5d0 \uc124\uce58\ub418\uc5b4\uc11c \uc0ac\uc6a9\ub420\uc218 \uc788\uc73c\uba70 trap\ub370\uc774\ud0c0\ub97c manager\ub85c \uc804\uc1a1\ud558\ub294 \uc77c\uc744\ud55c\ub2e4.<\/p>\n
\uc774 snmptrap\uc740 \uaf64 \uc720\uc6a9\ud558\uac8c \uc0ac\uc6a9\ud560\uc218 \uc788\ub2e4. \uac04\ub2e8\ud558\uac8c \uc2a4\ud06c\ub9bd\ud2b8\ub85c \ub9cc\ub4e4\uc5b4\uc11c \uc5b4\ub5a4 \ud30c\uc77c\uc774 \ubcc0\uc870\ub418\uc5c8\uc744\uacbd\uc6b0 trap\uc815\ubcf4\ub97c manager\ucabd\uc73c\ub85c \ubc1c\uc0dd\uc2dc\ud0a8\ub2e4\uac70\ub098, \ud504\ub85c\uc138\uc2a4 \uac2f\uc218\uac00 \uc77c\uc815\uac2f\uc218 \uc774\uc0c1 \ucd08\uacfc\ud588\uc744\ub54c \uc774\ub97c \uc804\uc1a1\ud55c\ub2e4\ub4e0\uc9c0 \ud558\ub294 \uae30\ub2a5\uc744 \ube44\uad50\uc801 \uac04\ub2e8\ud558\uac8c \ucd94\uac00\uc2dc\ud0ac\uc218 \uc788\uc744\uac83\uc774\ub2e4.<\/p>\n
\ub2e4\uc74c\uc740 ucd-snmp\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 trap\uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc774\uc6a9\ud55c \uac04\ub2e8\ud55c \ud14c\uc2a4\ud2b8\uc774\ub2e4. \uba3c\uc800 snmptrapd\ub97c manager\uce21\uc5d0\uc11c \uc2e4\ud589\uc2dc\ucf1c\uc57c \ud55c\ub2e4. \uc774 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc740 \uc635\uc158\uc5c6\uc774 \uc2e4\ud589\ud560\uacbd\uc6b0 \ub370\ubaac\ubaa8\ub4dc\ub85c \uc2e4\ud589\ub418\uba70 \ud45c\uc900\ucd9c\ub825\uc744 \uc2dc\ud0a4\uc9c0 \uc54a\uc74c\uc73c\ub85c \ub2e4\uc74c\uacfc \uac19\uc774 \uc635\uc158\uc744 \uc8fc\uace0 \uc2e4\ud589\uc2dc\ucf1c\uc11c \uc77c\ubc18\ubaa8\ub4dc(forground)\uc5d0\uc11c \ubc1b\uc740 trap\uc815\ubcf4\ub97c \ud45c\uc900\ucd9c\ub825\ud558\ub3c4\ub85d \uc2e4\ud589\uc2dc\ud0a4\ub3c4\ub85d \ud558\uc790.<\/p>\n
]# snmptrapd -f -P\r\n2003-04-23 00:13:34 UCD-snmp version 4.2.6 Started.\r\n<\/pre>\n
\uc774\uc81c agent\uce21\uc5d0\uc11c snmptrap\ub97c \uc774\uc6a9\ud574\uc11c trap\uc815\ubcf4\ub97c manager\ub85c \uc804\uc1a1\ud574\ubcf4\ub3c4\ub85d \ud558\uc790.<\/p>\n
]# snmptrap -v 2c -c public localhost \"\" ucdStart sysContact.0 s \"yundream\"<\/pre>\n
\uadf8\ub7ec\uba74 manager\ub85c system.sysContact.0=”yundream” \uacfc \uac19\uc740 \uc815\ubcf4\uac00 \uc804\ub2ec\ub418\ub294\uac78 \ud655\uc778\ud560\uc218 \uc788\uc744\uac83\uc774\ub2e4.
\n\uc774\ub4e4 ucd-snmp\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\ub4e4\uc758 \uc790\uc138\ud55c \uc0ac\uc6a9\ubc95\uc740 \uba54\ub274\uc5bc \ud398\uc774\uc9c0\ub97c \ucc38\uace0\ud558\uae30 \ubc14\ub780\ub2e4.<\/p>\n
4\uc808. \uacb0\ub860<\/p>\n
\uc774\uc0c1 SNMP\uc758 \uac1c\ub150\uacfc \uac1c\ub150\uc758 \uc774\ud574\ub97c \uc704\ud574\uc11c \uc2e4\uc81c \uc0ac\uc6a9\ub418\ub294 snmp\uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc124\uce58\ud574\uc11c \uac04\ub2e8\ud788 \uc6b4\uc601\ud14c\uc2a4\ud2b8\uae4c\uc9c0 \ud574\ubcf4\uc558\ub2e4. \uc774\ub7ec\ud55c \uc6b4\uc601\ud14c\uc2a4\ud2b8\ub97c \uc704\ud574\uc11c ucd-snmp\ub97c \uc0ac\uc6a9\ud588\ub294\ub370, \ub2e4\uc74c \uac15\uc88c\ub294 ucd-snmp\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 snmplib\ub97c \ud1b5\ud574\uc11c snmp\uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \ub9cc\ub4dc\ub294 \ubc95\uc744 \ub2e4\ub8e8\ub3c4\ub85d \ud558\uaca0\ub2e4.<\/p>\n
\ucd9c\ucc98 : http:\/\/www.joinc.co.kr\/modules\/moniwiki\/wiki.php\/Site\/SNMP<\/p>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
  2.1\uc808. SNMP\ub780 \ubb34\uc5c7\uc778\uac00 SNMP\ub294 Simple Network Management Protocol\uc758 \uc57d\uc790\uc774\ub2e4. \ud574\uc11d\uc744 \ud574\ubcf4\uc790\uba74 \uac04\ub2e8\ud55c \ub124\ud2b8\uc6cc\ud06c\uad00\ub9ac\ub97c \uc704\ud55c \uaddc\uc57d \uc778\ub370, \ub9d0\uadf8\ub300\ub85c SNMP\ub294 \ub124\ud2b8\uc6cc\ud06c\uad00\ub9ac\ub97c \uc704\ud55c \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub418\ub294 \ud504\ub85c\ud1a0\ucf5c\uc774\ub2e4. \uac00\uc7a5 \uc55e\uc5d0 Simple\ub77c\ub294 \ub2e8\uc5b4\uac00 \ubd99\uc5b4\uc788\ub294\ub370, \uc9c4\uc9dc\ub85c \uac04\ub2e8\ud55c \ud504\ub85c\ud1a0\ucf5c\uc778\uc9c0 \uc544\ub2cc\uc9c0\ub294 \uc0ac\ub78c\uc5d0 \ub530\ub77c \uc57d\uac04\uc529 \ucc28\uc774\uac00 \uc788\uc744\uc218 \uc788\ub2e4. \ud544\uc790\uac00 … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[527,661],"tags":[523,524,525,526,1467,528,529,530,531],"class_list":["post-466","post","type-post","status-publish","format-standard","hentry","category-network","category-system","tag-agent","tag-manager","tag-mib","tag-net-snmp","tag-network","tag-protocol","tag-snmp","tag-snmp-trap","tag-ucd-snmp"],"yoast_head":"\nSNMP(Simple Network Management Protocol) - Apollo89.com<\/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:\/\/apollo89.com\/wordpress\/?p=466\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SNMP(Simple Network Management Protocol) - Apollo89.com\" \/>\n<meta property=\"og:description\" content=\"  2.1\uc808. SNMP\ub780 \ubb34\uc5c7\uc778\uac00 SNMP\ub294 Simple Network Management Protocol\uc758 \uc57d\uc790\uc774\ub2e4. \ud574\uc11d\uc744 \ud574\ubcf4\uc790\uba74 \uac04\ub2e8\ud55c \ub124\ud2b8\uc6cc\ud06c\uad00\ub9ac\ub97c \uc704\ud55c \uaddc\uc57d \uc778\ub370, \ub9d0\uadf8\ub300\ub85c SNMP\ub294 \ub124\ud2b8\uc6cc\ud06c\uad00\ub9ac\ub97c \uc704\ud55c \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub418\ub294 \ud504\ub85c\ud1a0\ucf5c\uc774\ub2e4. \uac00\uc7a5 \uc55e\uc5d0 Simple\ub77c\ub294 \ub2e8\uc5b4\uac00 \ubd99\uc5b4\uc788\ub294\ub370, \uc9c4\uc9dc\ub85c \uac04\ub2e8\ud55c \ud504\ub85c\ud1a0\ucf5c\uc778\uc9c0 \uc544\ub2cc\uc9c0\ub294 \uc0ac\ub78c\uc5d0 \ub530\ub77c \uc57d\uac04\uc529 \ucc28\uc774\uac00 \uc788\uc744\uc218 \uc788\ub2e4. \ud544\uc790\uac00 … Continue reading →\" \/>\n<meta property=\"og:url\" content=\"https:\/\/apollo89.com\/wordpress\/?p=466\" \/>\n<meta property=\"og:site_name\" content=\"Apollo89.com\" \/>\n<meta property=\"article:published_time\" content=\"2012-03-27T05:50:15+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2013-01-31T14:56:10+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/apollo89.com\/wordpress\/wp-content\/uploads\/1\/8307162265.jpg\" \/>\n<meta name=\"author\" content=\"apollo89\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\uae00\uc4f4\uc774\" \/>\n\t<meta name=\"twitter:data1\" content=\"apollo89\" \/>\n\t<meta name=\"twitter:label2\" content=\"\uc608\uc0c1 \ub418\ub294 \ud310\ub3c5 \uc2dc\uac04\" \/>\n\t<meta name=\"twitter:data2\" content=\"3\ubd84\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/apollo89.com\\\/wordpress\\\/?p=466#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/apollo89.com\\\/wordpress\\\/?p=466\"},\"author\":{\"name\":\"apollo89\",\"@id\":\"https:\\\/\\\/apollo89.com\\\/wordpress\\\/#\\\/schema\\\/person\\\/93f56825cac3b2f18e5f107995066c82\"},\"headline\":\"SNMP(Simple Network Management Protocol)\",\"datePublished\":\"2012-03-27T05:50:15+00:00\",\"dateModified\":\"2013-01-31T14:56:10+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/apollo89.com\\\/wordpress\\\/?p=466\"},\"wordCount\":390,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/apollo89.com\\\/wordpress\\\/?p=466#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/apollo89.com\\\/wordpress\\\/wp-content\\\/uploads\\\/1\\\/8307162265.jpg\",\"keywords\":[\"agent\",\"manager\",\"MIB\",\"net-snmp\",\"Network\",\"Protocol\",\"SNMP\",\"snmp trap\",\"ucd-snmp\"],\"articleSection\":[\"Network\",\"System\"],\"inLanguage\":\"ko-KR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/apollo89.com\\\/wordpress\\\/?p=466#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/apollo89.com\\\/wordpress\\\/?p=466\",\"url\":\"https:\\\/\\\/apollo89.com\\\/wordpress\\\/?p=466\",\"name\":\"SNMP(Simple Network Management Protocol) - 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