SNMP(Simple Network Management Protocol,\u7c21\u55ae\u7db2\u8def\u7ba1\u7406\u5354\u8b70)
\u524d\u8eab\u70basgmp(simple gateway management protocol)
\u80fd\u5920\u76e3\u6e2c\u9023\u63a5\u5230\u7db2\u8def\u4e0a\u7684\u8a2d\u5099,\u4e00\u822c\u8a2d\u5099\u7686\u6709\u652f\u63f4<\/p>\n\n\n\n
\u904b\u4f5c\u5728OSI\u61c9\u7528\u5c64
\u7ba1\u7406\u8005\u8acb\u6c42\u8a0a\u606f\u8207\u4ee3\u7406\u8005\u56de\u61c9\u7528udp161,\u4ee3\u7406\u8005trap\u8a0a\u606f\u7528162
\u7ba1\u7406\u8005\u7528UDP\u50b3\u9001\u8a0a\u606f\u82e5\u4ee3\u7406\u8005\u6536\u4e0d\u5230,\u5247\u4f7f\u7528\u903e\u6642\u91cd\u50b3,\u4f46\u5c0dtrap\u8a0a\u606f\u53ef\u80fd\u5c31\u6536\u4e0d\u5230<\/p>\n\n\n\n
SNMP\u7f3a\u9ede
\u5927\u578b\u7db2\u8def\u4e2d,\u8f2a\u8a62\u6703\u7522\u751f\u5de8\u5927\u7684\u7db2\u8def\u7ba1\u7406\u6d41\u91cf
\u5c07\u6536\u96c6\u6578\u64da\u7684\u8ca0\u64d4\u52a0\u5728\u7db2\u8def\u7ba1\u7406\u7cfb\u7d71\u4e0a,\u82e5\u904e\u591a\u5247\u7121\u6cd5\u61c9\u4ed8<\/p>\n\n\n\n
snmp\u7248\u672c
snmpv1,\u53ea\u652f\u63f4tcp\/ip,\u53ea\u652f\u63f4\u96c6\u4e2d\u5f0f\u7db2\u7ba1
snmpv2c,\u53ef\u652f\u63f4tcp\/ip\u4e4b\u5916,\u652f\u63f4\u5206\u6563\u5f0f\u7db2\u7ba1(\u9069\u5408\u5927\u578b\u7db2\u8def)\u53ca\u96c6\u4e2d\u5f0f\u7ba1\u7406,\u589e\u5f37\u7ba1\u7406\u529f\u80fd
snmpv3,\u589e\u52a0\u5b89\u5168\u6027<\/p>\n\n\n\n
………………………..<\/p>\n\n\n\n
SNMP\u67b6\u69cb ps: ps: ………………….<\/p>\n\n\n\n SNMP community(\u793e\u7fa4) \u85c9\u7531\u793e\u7fa4\u63a7\u5236\u88ab\u7ba1\u7bc0\u9ede\u7684\u65b9\u5f0f\u6709\uff1a ……………………..<\/p>\n\n\n\n SNMP\u64cd\u4f5c SNMPv2,v3\u65b0\u589e ……………………….<\/p>\n\n\n\n MIB(management information base,\u7ba1\u7406\u8cc7\u8a0a\u5eab) MIB\u985e\u578b\u6709\u4ee5\u4e0b ……………..<\/p>\n\n\n\n SMI(structure of management information,\u7ba1\u7406\u8cc7\u8a0a\u7d50\u69cb) SMIv1\u7269\u4ef6\u6a39<\/strong> ……………………<\/p>\n\n\n\n host resources mib(\u4e3b\u6a5f\u8cc7\u6e90\u7ba1\u7406\u8cc7\u8a0a\u5eab)<\/strong> RMONv1\u5b9a\u7fa9\u7684\u7fa4\u7d44<\/strong> ………………………….<\/p>\n\n\n\n SNMPv3<\/strong> snmp\u5f15\u64ca\u7d50\u69cb:<\/strong> \u61c9\u7528\u7d50\u69cb:<\/strong> Security Model …………………..<\/p>\n\n\n\n \u8edf\u9ad4 \u76f8\u95dc\u6587\u737b\u53c3\u8003 SNMP(Simple Network Management …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[17],"tags":[],"class_list":["post-601","post","type-post","status-publish","format-standard","hentry","category-systemtool"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/601","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/comments?post=601"}],"version-history":[{"count":0,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/601\/revisions"}],"wp:attachment":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/media?parent=601"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/categories?post=601"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/tags?post=601"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Manager(\u7ba1\u7406\u8005)\/\u7ba1\u7406\u7bc0\u9ede<\/strong>
\u7ba1\u7406\u8005\u96fb\u8166\u4e0a\u7684\u5ba2\u6236\u7aef\u61c9\u7528\u7a0b\u5f0f,\u8ca0\u8cacpoll(\u8f2a\u8a62)\u5404agent,\u6709\u6642\u4e5f\u88ab\u7a31\u70baMNS\u7db2\u8def\u7ba1\u7406\u5de5\u4f5c\u7ad9
ps:NMS\u901a\u5e38\u662f\u4e00\u53f0\u7528\u4f86\u57f7\u884c\u4e00\u500b\u6216\u66f4\u591a\u500bnetwork management system(\u7db2\u8def\u7ba1\u7406\u7cfb\u7d71)\u7684\u96fb\u8166
Agent(\u4ee3\u7406\u8005)\/\u4ee3\u7ba1\u7bc0\u9ede<\/strong>
\u4e00\u500b\u5c0f\u578b\u8edf\u9ad4,\u6216\u662f\u4ee3\u7ba1\u8a2d\u5099\u4e0a\u7684\u61c9\u7528\u7a0b\u5f0f,\u53ef\u7528\u4f86\u63a7\u5236\u4efb\u4f55\u6709\u652f\u63f4snmp\u7684\u88dd\u7f6e,\u56de\u61c9\u7ba1\u7406\u8005\u6216\u7522\u751ftrap\u8a0a\u606f
\u6709\u4e9b\u53ea\u63d0\u4f9b\u7c21\u55ae\u8cc7\u8a0a,\u6709\u4e9b\u6703\u63d0\u4f9b\u5b8c\u6574\u8cc7\u8a0a,\u901a\u5e38\u7db2\u8def\u8a2d\u5099\u63d0\u4f9b\u7684\u8cc7\u8a0a\u6703\u6bd4\u4f3a\u670d\u5668\u591a,\u4f46\u7db2\u8def\u8a2d\u5099\u64f4\u5145\u4e0d\u6613
\u82e5\u6709\u652f\u63f4\u5169\u7a2esnmp\u7248\u672c\u5247\u7a31bilingual(\u96d9\u8a9e\u80fd\u529b),\u82e5\u652f\u63f43\u7a2e\u5247\u7a31trilingual(\u4e09\u8a9e\u80fd\u529b)
ps:
bilevel entity(\u96d9\u9762\u7bc0\u9ede)
\u540c\u6642\u57f7\u884c\u7ba1\u7406\u5de5\u4f5c\u4e26\u4e14\u63a5\u53d7\u7ba1\u7406\u7684\u7bc0\u9ede<\/p>\n\n\n\n
agentx(\u53ef\u64f4\u5145\u4ee3\u7406\u8005)
\u53ef\u89e3\u6c7a\u539f\u672c\u7576\u4ee3\u7406\u8005\u6b63\u57f7\u884c\u6642\u7121\u6cd5\u589e\u52a0\u53ca\u79fb\u9664mib\u7269\u4ef6\u554f\u984c
\u6703\u5305\u542b\u4e00\u500bmasteragent(\u4e3b\u4ee3\u7406\u8005)\u4ee5\u53ca\u591a\u500bsubagent(\u6b21\u8981\u4ee3\u7406\u8005),\u53ef\u5728\u540c\u4e00\u88dd\u7f6e\u4e0a\u6216\u7d93\u7531proxy\u5f7c\u6b64\u6e9d\u901a
\u6b21\u8981\u4ee3\u7406\u8005\u53ef\u76f4\u63a5\u5b58\u53d6mib,\u4ee5\u53ca\u57f7\u884c\u7ba1\u7406\u529f\u80fd\u4e26\u900f\u904eagentx\u5354\u5b9a\u5c07\u8cc7\u8a0a\u7d66\u4e3b\u8981\u4ee3\u7406\u8005
\u4e3b\u8981\u4ee3\u7406\u8005\u53ef\u8207mns\u6e9d\u901a\u4f46\u4e0d\u53ef\u76f4\u63a5\u5b58\u53d6mib<\/p>\n\n\n\n
proxy agent
\u7ba1\u7406\u7121\u6cd5\u652f\u63f4SNMP agent\u7684\u88dd\u7f6e(\u6709\u652f\u63f4snmp\u8a2d\u5099\u901a\u5e38\u6a19\u793amanageable),ex:\u4e0d\u652f\u63f4tcp\/ip\u8a2d\u5099,\u50cf\u6578\u64da\u6a5f,hub
\u7528\u9014:
\u7ba1\u7406\u5176\u5b83\u975e\u4f7f\u7528SNMP\u7ba1\u7406\u4ee3\u7406\u8005\u7684\u88dd\u7f6e
\u5141\u8a31\u5176\u5b83\u975eSNMP\u7ba1\u7406\u7cfb\u7d71\u4f86\u5b58\u53d6SNMP agent
\u70ba\u5176\u5b83SNMP agent\u63d0\u4f9b\u985e\u4f3c\u9632\u706b\u7246\u7684\u5b89\u5168\u9632\u8b77\u6a5f\u80fd
\u8f49\u63db\u4e0d\u540c\u898f\u683c\u7684SNMP\u8a0a\u606f,ex,\u53ea\u652f\u63f4snmpv1\u7684\u8a2d\u5099\u900f\u904eproxy\u5c07\u8a0a\u606f\u8f49\u6210snmpv2
\u4e0d\u540c\u8a0a\u606f\u900f\u904eproxy\u6e9d\u901a\u53ebforeign proxy relationship(\u7570\u985e\u4ee3\u7406\u95dc\u4fc2)
\u540c\u8a0a\u606f\u4e92\u76f8\u6e9d\u901a\u53ebnative proxy relationship(\u540c\u985e\u4ee3\u7406\u95dc\u4fc2)
\u5728\u55ae\u4e00\u7db2\u8def\u4f4d\u5740\u4e0b\u5408\u4f75\u591a\u500b\u53d7\u7ba1\u7bc0\u9ede
\u53ef\u88ab\u8a2d\u8a08\u6210\u662f\u9598\u9053\u5668,\u4ee5\u4fbf\u80fd\u5920\u7528\u4e00\u500b\u7db2\u8def\u4f4d\u5740\u5c31\u5b58\u53d6\u5230\u6578\u500b\u53ef\u7528SNMP\u7ba1\u7406\u7684\u88dd\u7f6e
\u7f3a\u9ede\u662f\u96e3\u4ee5\u8a2d\u8a08\u548c\u5be6\u4f5c,\u53ef\u80fd\u7121\u6cd5\u767c\u63ee\u88dd\u7f6e\u6240\u6709\u7684\u7ba1\u7406\u80fd\u529b,\u9700\u8981\u5176\u5b83\u7db2\u8def\u5143\u4ef6\u6216\u57f7\u884c\u7a0b\u5e8f\u7684\u914d\u5408,\u4f7f\u5f97\u9664\u932f\u66f4\u70ba\u8907\u96dc<\/p>\n\n\n\n
\u4e00\u500b\u88ab\u7ba1\u7bc0\u9ede\u8207\u591a\u500b\u7ba1\u7406\u7bc0\u9ede\u9593\u7684\u95dc\u4fc2
snmpv1,snmpv2\u53ef\u8a2d\u7f6e3\u500b\u793e\u7fa4\u540d\u7a31(\u662f\u5b57\u4e32,\u7576\u5bc6\u78bc\u7528),\u5206\u5225\u63a7\u52363\u7a2e\u4e0d\u540c\u6d3b\u52d5(\u53ef\u7528\u4f86\u5b89\u5168\u7ba1\u7406)
read-only<\/strong>\uff1a\u53ea\u53ef\u8b80,\u9810\u8a2d\u5b57\u4e32\u662fpublic
read-write<\/strong>\uff1a\u53ef\u8b80\u53ef\u5beb,\u9810\u8a2d\u5b57\u4e32\u662fprivate
trap<\/strong>\uff1a\u53ef\u63a5\u6536\u4f86\u81ea\u4ee3\u7406\u8005\u8a0a\u606f
ps:
\u793e\u7fa4\u5b57\u4e32\u4ee5\u660e\u6587\u50b3\u9001,RO\u53caRW\u6700\u597d\u8a2d\u4e0d\u540c,\u53ef\u7528vpn\u52a0\u5bc6\u7db2\u8def\u6d41\u91cf,\u6216\u5b9a\u6642\u66f4\u6539\u5b57\u4e32
\u6bcf\u500b\u793e\u7fa4\u90fd\u6709\u4e00\u500b\u552f\u4e00\u540d\u7a31,\u88ab\u7ba1\u7bc0\u9ede\u6703\u70ba\u4e0d\u540c\u7bc0\u9ede\u5efa\u7acb\u793e\u7fa4,\u8868\u793a\u540c\u6642\u5c6c\u65bc\u4e0d\u540c\u7ba1\u7406\u7bc0\u9ede\u4e4b\u4e0b<\/p>\n\n\n\n
\u8a8d\u8b49\u670d\u52d9<\/strong>\uff1a\u9700\u9650\u5236\u7279\u5b9a\u7ba1\u7406\u7bc0\u9ede\u5b58\u53d6mib
\u3000\u7ba1\u7406\u7bc0\u9ede\u5b58\u53d6\u88ab\u7ba1\u7269\u4ef6\u6642\u90fd\u9700\u6307\u5b9a\u793e\u7fa4\u540d\u7a31,\u800c\u88ab\u7ba1\u7bc0\u9ede\u53ea\u5141\u8a31\u77e5\u9053\u793e\u7fa4\u540d\u7a31\u7684\u7ba1\u7406\u7bc0\u9ede\u5b58\u53d6,\u53ef\u9054\u6210\u7c21\u55ae\u7684\u8a8d\u8b49
\u5b58\u53d6\u7b56\u7565<\/strong>\uff1a\u7d66\u4e0d\u540c\u7ba1\u7406\u7bc0\u9ede\u4e0d\u540c\u7b49\u7d1a\u7684\u6b0a\u9650
\u3000snmp mib view:\u88ab\u7ba1\u7bc0\u9ede\u5c0d\u4e0d\u540c\u793e\u7fa4\u6703\u6709\u4e0d\u540cmibview,\u7ba1\u7406\u7bc0\u9ede\u53ef\u7528\u4e0d\u540c\u7684\u793e\u7fa4\u540d\u7a31\u5b58\u53d6\u88ab\u7ba1\u7bc0\u9ede
\u3000snmp access mode:\u552f\u8b80\u6216\u8b80\u5beb
\u3000community profile(\u793e\u7fa4\u8a2d\u5b9a\u6a94):mibview+access mode
\u3000\u793e\u7fa4\u8207\u5176\u8a2d\u5b9a\u6a94\u5408\u8d77\u4f86\u5373\u662f\u5b58\u53d6\u7b56\u7565<\/p>\n\n\n\n
\u4f7f\u7528PDU(protocol data unit,\u8a0a\u606f\u683c\u5f0f)\u4f86\u50b3\u9001\u8207\u63a5\u6536\u8cc7\u8a0a
SNMPv1\u6709\u4ee5\u4e0b
Get-request<\/strong> : Manager\u5411Agent\u8981\u8cc7\u8a0a
Get-next-request<\/strong> : Manager\u5411Agent\u53d6\u51fa\u4e00\u7fa4\u503c
Set-request<\/strong> : Manager\u5411Agent\u66f4\u6539\u5f85\u7ba1\u7269\u4ef6\u7684\u503c,\u6216\u5efa\u7acb\u65b0\u7684\u5217
Get-response<\/strong> : Agent\u5411Manager,\u56de\u61c9\u7ba1\u7406\u8005\u8acb\u6c42
Trap<\/strong> : Agent\u5411Manager,\u5728error, shutdown,…\u7b49\u7279\u6b8a\u7684\u60c5\u6cc1\u4e0b,\u4e3b\u52d5\u767c\u8a0a\u606f\u7d66\u7db2\u7ba1\u4e3b\u6a5f<\/p>\n\n\n\n
getbulkrequest<\/strong>\uff1a\u64f7\u53d6\u4e00\u5927\u6bb5\u8868\u683c
informrequest<\/strong>\uff1a\u985e\u4f3ctrap,\u4f46\u9019\u662f\u7531\u7ba1\u7406\u7ad9\u9001\u5f80\u53e6\u4e00\u500b\u7ba1\u7406\u7ad9,\u63a5\u6536\u8005\u6703\u56de\u61c9\u4ee5\u78ba\u8a8d\u4e8b\u4ef6\u5df1\u6536\u5230
report<\/strong>\uff1a\u5728v2\u672a\u88ab\u5be6\u4f5c,\u5728v3\u53ef\u8b93snmp\u5f15\u64ce\u4e92\u76f8\u901a\u8a0a,\u4e3b\u8981\u7528\u4f86\u5831\u544a\u6709\u95dcsnmp\u8a0a\u606f\u7684\u554f\u984c
notification<\/strong>\uff1a\u70ba\u4e86\u6a19\u6e96\u5316snmpv1\u7684trap\u8a0a\u606f\u7684pdu\u683c\u5f0f<\/p>\n\n\n\n
\u5b58\u653e\u7db2\u8def\u5143\u4ef6\u7684\u72c0\u614b\u8cc7\u8a0a,\u5b9a\u7fa9\u7ba1\u7406\u8cc7\u8a0a\u5eab\u8b8a\u6578\u7528,\u540d\u7a31\u63a1asn.1
\u5b9a\u7fa9\u4e86\u7db2\u8def\u8a2d\u5099\u5404\u7a2e\u8cc7\u8a0a\u7684\u5132\u5b58\u7d50\u69cb,\u5171\u6709\u4e94\u7a2e\u8cc7\u8a0a(\u7269\u4ef6\u540d\u7a31,\u7cfb\u7d71\u8a2d\u5b9a\u503c,\u8cc7\u6599\u578b\u614b,\u8b80\u5beb\u65b9\u5f0f,\u63cf\u8ff0,\u8b58\u5225\u78bc)
\u53ef\u5141\u8a31\u5ee0\u5546\u6216\u500b\u4eba\u5b9a\u7fa9MIB,\u52a0\u5165\u65b0\u7684mib\u53ef\u7528compiler<\/p>\n\n\n\n
1,MIB<\/strong>
\u3000\u542b8\u500b\u7fa4\u7d44system,interface,addr-translation,ip,icmp,tcp,udp,egp,114\u500b\u7ba1\u7406\u500b\u9ad4
2,MIB-2<\/strong>(\u52a0\u5f37\u7248RFC-1213)
\u3000\u65b0\u589e\u4e86transmission\u548csnmp2\u500b\u7fa4\u7d44,\u5171\u5341\u500b\u7fa4\u7d44,171\u500b\u7ba1\u7406\u500b\u9ad4,\u6bcf\u500b\u652f\u63f4snmp\u88dd\u7f6e\u90fd\u6703\u652f\u63f4
\u3000MIB2\u7684\u4e3b\u8981\u76ee\u5730\u662f\u63d0\u4f9b\u4e00\u822c\u7684TCP\/IP\u7ba1\u7406\u8cc7\u8a0a,\u5b83\u7121\u6cd5\u6db5\u84cb\u5ee0\u5546\u6240\u8ca9\u8ce3\u7684\u7279\u5b9a\u88dd\u7f6e\u4e0a
\u3000ps:\u6240\u6709\u4ee3\u7406\u8005\u6703\u5be6\u505a\u591aMIB,\u800c\u4e14\u4e00\u5b9a\u6703\u5be6\u505a\u91cd\u8981\u7684MIB2
3,\u5176\u4ed6\u7279\u5b9a\u7528\u9014MIB<\/strong><\/p>\n\n\n\n
\u5b9a\u7fa9\u7db2\u7ba1\u8cc7\u8a0a\u8a9e\u8a00(\u7269\u4ef6\u547d\u540d,\u5b9a\u7fa9\u8cc7\u6599\u5eab\u5404\u9805\u6b04\u4f4d\u7684\u5c6c\u6027\u53ca\u8981\u8a18\u8f09\u7684\u8cc7\u6599)
SMIv1\u5b9a\u7fa9\u5f85\u7ba1\u7269\u4ef6\u547d\u540d\u65b9\u5f0f,\u5f85\u7ba1\u7269\u4ef6\u5206\u4e09\u5c6c\u6027
\u3000OID(object identifier,\u7269\u4ef6\u8b58\u5225\u4ee3\u865f)<\/strong>\uff1a\u7531\u4e00\u7cfb\u7d71\u6574\u6578\u7d44\u6210,\u547d\u540d\u9577\u800c\u4e0d\u65b9\u4fbf
\u3000ASN.1(abstract syntax notation.1,\u62bd\u50cf\u8a9e\u610f\u8868\u793a\u6cd5)<\/strong>:\u7528\u65bc\u5b9a\u7fa9\u8a9e\u6cd5\u7684\u6b63\u5f0f\u8a9e\u8a00,snmp\u7684\u7269\u4ef6\u63cf\u8ff0\u8a9e\u8a00,\u597d\u8655\u662f\u4e0d\u540c\u6a5f\u5668\u53ef\u4e92\u76f8\u6e9d\u901a
\u3000BER(basic encoding rules,\u57fa\u672c\u7de8\u78bc\u898f\u5247)<\/strong>:\u63cf\u8ff0\u5982\u4f55\u5c07ASN.1\u985e\u578b\u8868\u793a\u70ba\u5b57\u4e32\u7b26
ps:
SMIv2,\u5728internet\u5b50\u6a39\u589e\u52a0snmpv2\u5206\u652f,\u63d0\u4f9bSNMPv2\u52a0\u5f37\u7248
Security,administration capabilities:\u65b0\u589e\u5728\u7b2c3\u7248\u4e2d<\/p>\n\n\n\n
root-node
\u3000ccitt(0)
\u3000iso(1)
\u3000\u3000org(3)
\u3000\u3000\u3000dod(6)
\u3000\u3000\u3000\u3000internet(1)
\u3000\u3000\u3000\u3000\u3000directory(1)
\u3000\u3000\u3000\u3000\u3000mgmt(2)
\u3000\u3000\u3000\u3000\u3000experimental(3)
\u3000\u3000\u3000\u3000\u3000private(4)
\u3000joint(2)
SMIv2\u7269\u4ef6\u6a39<\/strong>
root-node
\u3000ccitt(0)
\u3000iso(1)
\u3000\u3000org(3)
\u3000\u3000\u3000dod(6)
\u3000\u3000\u3000\u3000internet(1)
\u3000\u3000\u3000\u3000\u3000directory(1)
\u3000\u3000\u3000\u3000\u3000mgmt(2)
\u3000\u3000\u3000\u3000\u3000\u3000mib-2(1)
\u3000\u3000\u3000\u3000\u3000\u3000\u3000system(1)
\u3000\u3000\u3000\u3000\u3000\u3000\u3000interfaces(2)
\u3000\u3000\u3000\u3000\u3000\u3000\u3000at(3)
\u3000\u3000\u3000\u3000\u3000\u3000\u3000ip(4)
\u3000\u3000\u3000\u3000\u3000\u3000\u3000icmp(5)
\u3000\u3000\u3000\u3000\u3000\u3000\u3000tcp(6)
\u3000\u3000\u3000\u3000\u3000\u3000\u3000udp(7)
\u3000\u3000\u3000\u3000\u3000\u3000\u3000egp(8)
\u3000\u3000\u3000\u3000\u3000\u3000\u3000transmission(10)
\u3000\u3000\u3000\u3000\u3000\u3000\u3000snmp(11)
\u3000\u3000\u3000\u3000\u3000experimental(3)
\u3000\u3000\u3000\u3000\u3000private(4)
\u3000\u3000\u3000\u3000\u3000snmpv2(6)
\u3000joint(2)<\/p>\n\n\n\n
\u53ef\u5354\u52a9\u7ba1\u7406unix\u6216windows\u7cfb\u7d71\u7684\u5404\u500b\u91cd\u8981\u90e8\u4efd
\u5b9a\u7fa97\u500b\u7fa4\u7d44\uff1a
host,oid=1.3.6.1.2.1.25(iso.org.dod.internet.mgmt.mib-2.host)
hrsystem,oid=1.3.6.1.2.1.25.1 \u904b\u4f5c\u6642\u9593,\u7cfb\u7d71\u65e5\u671f,\u7cfb\u7d71\u4f7f\u7528\u8005,\u7cfb\u7d71\u884c\u7a0b,…\u7b49
hrstorage,oid=1.3.6.1.2.1.25.2 \u7cfb\u7d71\u5132\u5b58
hrdevice,oid=1.3.6.1.2.1.25.3 \u6a94\u6848\u7cfb\u7d71
hrswrun,oid=1.3.6.1.2.1.25.4
hrswrunperf,oid=1.3.6.1.2.1.25.5 \u57f7\u884c\u4e2d\u7684\u7a0b\u5f0f
hrswinstalled,oid=1.3.6.1.2.1.25.6 \u5df2\u5b89\u88dd\u8edf\u9ad4<\/p>\n\n\n\n
RMON(Remote Monitoring,\u9060\u7aef\u76e3\u63a7)<\/strong>
\u4e00\u7a2e\u7db2\u8def\u7ba1\u7406\u901a\u8a0a\u5354\u5b9aSNMP\u7684\u5ef6\u4f38\u898f\u683c,MIB\u7684\u5ef6\u4f38
RMONv1\u70baMNS\u63d0\u4f9b\u4e86\u6574\u500bLAN\u6216WAN\u5728\u5c01\u5305\u5c64\u6b21\u7684\u7d71\u8a08\u8cc7\u6599
\u6709\u9060\u7aef\u63a7\u5236\u80fd\u529b,\u80fd\u6e1b\u5c11\u7ba1\u7406\u7684\u8ca0\u64d4\u8207\u964d\u4f4e\u7db2\u8def\u983b\u5bec\u7684\u9700\u6c42
\u4f7f\u7528\u5728\u4e0d\u540c\u4ecb\u9762\u7684\u4ea4\u63db\u5f0f\u7db2\u8def,trend(\u8da8\u52e2)\u5206\u6790\u8207\u4e8b\u4ef6\u9810\u8b66\u9580\u6abb,\u964d\u4f4e\u98a8\u96aa,\u63d0\u9ad8\u7ba1\u7406\u6548\u7387
RMON MIB\u8b93RMON\u63a2\u91dd\u5728offline mode(\u96e2\u7dda\u6a21\u5f0f)\u4e0b\u57f7\u884c,\u514d\u53bb\u5b9a\u671f\u67e5\u8a62\u9ebb\u7169
RMONv1
\u3000\u4e0d\u542brmon\u672c\u8eab\u5171\u67099\u500b\u7fa4\u7d44,\u5728\u7b2c\u4e8c\u5c64\u5de5\u4f5c,\u53ea\u80fd\u6536\u5230\u9ede\u5c0d\u9ede\u7684\u8cc7\u8a0a
RMON v2
\u3000\u52a0\u5f37\u5c0dPHYSICAL LAYER(\u5be6\u9ad4\u5c64)\u7684TRAFIC(\u6d41\u91cf)\u8cc7\u6599\u6536\u96c6.\u5728\u7b2c\u4e09\u5c64\u4ee5\u4e0a\u5354\u5b9a\u7ba1\u7406
\u3000\u5960\u57fa\u65bcRMONv1\u4e0a,\u63d0\u4f9b\u4e86\u7db2\u8def\u5c64\u6b21\u53ca\u61c9\u7528\u5c64\u6b21\u7684\u7d71\u8a08\u8cc7\u6599<\/p>\n\n\n\n
rmon,oid=1.3.6.1.2.1.16(iso.org.dod.internet.mgmt.mib-2.rmon)
Statistics,oid=1.3.6.1.2.1.16.1 \u7db2\u8def\u4ecb\u9762\u7d71\u8a08\u8cc7\u6599
History,oid=1.3.6.1.2.1.16.2 \u8a18\u9304statistics\u7fa4\u7d44\u7684\u9031\u671f\u6027\u7d71\u8a08\u8cc7\u6599\u69d8\u672c
Alarm,oid=1.3.6.1.2.1.16.3 \u8a2d\u5b9a\u5075\u6e2c\u9031\u671f\u53ca\u81e8\u754c\u503c
Hosts,oid=1.3.6.1.2.1.16.4 \u8a18\u9304\u7db2\u8def\u4e0a\u4e3b\u6a5f\u7684\u6d41\u91cf\u7d71\u8a08\u8cc7\u6599
HostTopN,oid=1.3.6.1.2.1.16.5 \u53ef\u7528\u4f86\u7522\u751f\u4e3b\u6a5f\u7684\u5831\u8868
Matrix,oid=1.3.6.1.2.1.16.6 \u91dd\u5c0d\u5169\u500b\u4f4d\u5740\u6240\u69cb\u6210\u7684\u77e9\u9663\u5132\u5b58\u932f\u8aa4\u53ca\u7528\u91cf\u8cc7\u8a0a
Filter,oid=1.3.6.1.2.1.16.7 \u4f9d\u904e\u6ffe\u689d\u4ef6\u6307\u5b9a\u5c01\u5305
Capture,oid=1.3.6.1.2.1.16.8 \u82e5\u7b26\u5408filter\u7684\u5c01\u5305\u5247\u6355\u6349
Event,oid=1.3.6.1.2.1.16.9 \u8a2d\u5b9armon\u4e8b\u4ef6\u7684\u5b9a\u7fa9<\/p>\n\n\n\n
\u589e\u52a0\u5b89\u5168\u6027,\u53ef\u907f\u514dplayback\u7684\u653b\u64ca
\u67b6\u69cb\u5177\u6709\u64f4\u5145\u6027
\u7ba1\u7406\u8005\u8207\u4ee3\u7406\u8005\u7d44\u6210\u5be6\u9ad4,\u5be6\u9ad4\u7d44\u81ea\u4e00\u500bsnmp\u5f15\u64ca,\u53ca\u4e00\u6216\u591a\u500bsnmp\u61c9\u7528<\/p>\n\n\n\n
dispatcher(\u5206\u6d3e\u8005):\u4f9d\u7248\u672c\u6536\u9001\u8a0a\u606f,\u6536\u5230\u652f\u63f4\u7248\u672c\u5247\u8f49\u4ea4\u8a0a\u606f\u8655\u7406\u5b50\u7cfb\u7d71
message processing subsystem(\u8a0a\u606f\u8655\u7406\u5b50\u7cfb\u7d71)\uff1a\u6e96\u5099\u5f85\u9001\u8a0a\u606f,\u542b\u591a\u91cd\u8a0a\u606f\u8655\u7406\u6a21\u7d44
security subsystem(\u5b89\u5168\u5b50\u7cfb\u7d71)\uff1a\u63d0\u4f9b\u9a57\u8b49.\u53ef\u7528v1,2\u793e\u7fa4v3\u6a5f\u5236(\u63a1md5,sha)\u53ca\u4fdd\u5bc6\u670d\u52d9(DES)
access control subsystem(\u5b58\u53d6\u63a7\u5236\u5b50\u7cfb\u7d71):\u63a7\u5236MIB\u7269\u4ef6\u7684\u5b58\u53d6\u6b0a\u9650<\/p>\n\n\n\n
command generator(\u547d\u4ee4\u7522\u751f\u8005):\u7528\u4f86\u7522\u751fget,get-next,get-bulk,set,\u53ef\u7528nms\u4f86\u5be6\u4f5c
command responder(\u547d\u4ee4\u56de\u61c9\u8005):\u7528\u4f86\u56de\u61c9get,get-netx,get-bulk,set
notification originator(\u767c\u8d77\u901a\u544a\u8005):\u7528\u4f86\u7522\u751ftrap\u53canotification
notification receiver(\u901a\u544a\u63a5\u6536\u8005):\u63a5\u6536trap\u53canotification
proxy forwarder(\u4ee3\u7406\u904b\u9001\u8005):\u5354\u52a9\u5be6\u9ad4\u9593\u8a0a\u606f\u50b3\u905e<\/p>\n\n\n\n
User-based security model(USM)<\/strong>
\u539f\u672cv1,v2\u7121User-Based\u89c0\u5ff5,\u6240\u4ee5\u7528Community\u4f86\u5b58\u53d6agent
v3\u589e\u52a0\u5e33\u865f\u6a5f\u5236,\u53ef\u505a\u5206\u5de5,\u4e0d\u540c\u7684\u5de5\u4f5c\u8005\u53ef\u6709\u4e0d\u540c\u6b0a\u9650
View-based access control model(VACM)<\/strong>
\u6b64model\u662f\u4ee5USM\u548cMIB\u70ba\u57fa\u790e,\u8a72model\u53ef\u8b93\u4e0d\u540c\u7684User\u5728\u8a2d\u5b9a\u904e\u6b0a\u9650\u5f8c,\u5373\u53ef\u5b58\u53d6\u88ab\u8a2d\u5b9a\u904e\u6b0a\u9650\u7684MIB<\/p>\n\n\n\n
agent\u8edf\u9ad4<\/strong>
\u5728\u4ee3\u7ba1\u8a2d\u5099\u7684\u61c9\u7528\u7a0b\u5f0f,\u6709\u4e9b\u5df1\u5167\u5efa(cisco\u8def\u7531\u5668),\u6709\u4e9b\u9700\u984d\u5916\u5b89\u88dd(windows)
ex:net-snmp,snmp research,microsoft,sun microsystems,hp extensible snmp agent
NMS(network management suite,\u7db2\u8def\u7ba1\u7406\u7d44\u5957)<\/strong>
\u591a\u500b\u61c9\u7528\u8edf\u4f53\u7684\u8edf\u4f53\u5957\u4ef6,\u6c92\u6709\u5b83\u4ee3\u7406\u8005\u5c07\u7121\u7528\u8655
\u7ba1\u7406\u4eba\u54e1\u4f7f\u7528\u7ba1\u7406\u7ad9\u53f0\u4f86\u767c\u51fa\u8981\u6c42,\u8981\u6c42\u53d7\u7ba1\u7bc0\u9ede\u8655\u56de\u50b3\u8a0a\u606f,\u800c\u7ba1\u7406\u7ad9\u53f0\u5728\u63a5\u6536\u5230\u56de\u61c9\u7684\u8cc7\u8a0a\u5f8c,\u6703\u5c07\u8a72\u8cc7\u6599\u5448\u73fe\u7d66\u7ba1\u7406\u8005
ex:HP OpenView,IBM NetView,\u514d\u8cbb\u7684\u6709gxsnmp,tkined,opennms
\u5143\u4ef6\u7ba1\u7406\u8005<\/strong>
\u9069\u5408\u7528\u5728\u7279\u5b9a\u5ee0\u5546\u7684\u529f\u80fd,\u7522\u54c1\u662f\u5ee0\u5546\u5c08\u5c6c\u7684
\u8da8\u52e2\u5206\u6790<\/strong>
\u5982\u6709rmon\u63a2\u91dd\u6703\u6709\u52a0\u5206\u4f5c\u7528
ex:\u514d\u8cbb\u7684\u6709mrtg,cricket
\u652f\u63f4\u9ad4\u8edf<\/strong>
perl,net-snmp\u7684c library\u53caperl\u6a21\u7d44,snmp++…\u7b49<\/p>\n\n\n\n
http:\/\/big5.china-code.net\/read\/9\/1\/101251.html
http:\/\/cisco.chinaitlab.com\/colligate\/2719.html<\/p>\n","protected":false},"excerpt":{"rendered":"