project OSN - 56-1 Internetworking Technologies S tay...

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Unformatted text preview: 56-1 Internetworking Technologies S tay 1-58705-001-3 56 Chng M c tiu Th o lu n v cc thng tin qu n l c s SNMP. M t SNMP phin b n 1. M t SNMP phin b n 2. M ng n gi n, qu n l th c N n Cc n gi n Qu n l M ng Protocol (SNMP) l m tng d ng giao th c l p t o i u ki n cho cc trao i thng tin qu n l gi a cc thi t b m ng.N l m t ph n c a Transmission Control Protocol / Internet Protocol (TCP / IP) protocol suite. SNMP cho php qu n tr vin qu n l m ngli hi u su t m ng, tm v gi i quy t v n v m ngli, v k ho ch pht tri n m ng li. Hai phin b n c a t n t i SNMP: SNMP phin b n 1(SNMPv1) v SNMP phin b n 2 (SNMPv2). C hai cc phin b n c m t s trong cc tnh nng phbi n, nh ng SNMPv2 cung c p ph ki n, ch ng h n nhb sung th c ho t ng kinh doanh. Cc tiu chu n no cnu ra m t phin b n c a SNMP-SNMP Version 3(SNMPv3)-l ang treo. Chng ny cung c p m t c a SNMPv1 vSNMPv2 th c ho t ng kinh doanh. Hnh 56-1 minh ho m t m ng li c b n, qu n l b iSNMP.56-2 Internetworking Technologies S tay 1-58705-001-3 Chng 56 Qu n l n gi n M ng th c SNMP thnh ph n c b n Hnh 56-1 SNMP t o i u ki n cc giao d ch c a M ngthng tin gi a thi t b SNMP thnh ph n c b n M t SNMP-qu n l m ng li bao g m ba thnh ph nchnh: qu n l cc thi t b , i l, v m ng-h th ng qu n l (NMSs). M t qu n l i n tho i l m t m ng li node cch a m t SNMP i l v r ng song chung v qu n lm ng li. Qu n l cc thi t b thu th p v l u githng tin qu n l v th c hi n cc thng tin ny s n c cho NMSs b ng cch s d ng SNMP. Qu n l ccthi t b , i khi c g i l m ng y u t , c thc nh tuy n v truy c p vo my ch , thi t b b m v c u, Hubs,l u tr trong my tnh, ho c my in. M t i l l m t ph n m m qu n l m ng-m-un m qu n l i n tho i. M t i l c a phng ki n th c v qu n l thng tin v d chthng tin vo m t hnh th c tng thch v i cc SNMP. NMS executes m t ng d ng theo di v qu n l ccthi t b ki m sot. NMSs cung c p s lng l n c acc x l v b nh ngu n l c c n thi t cho qu n lm ng li. M t ho c nhi u NMSs ph i t n t i trn no qu n l m ng. Hnh 56-2 minh ho cho m i quan h c a cc thnh...
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project OSN - 56-1 Internetworking Technologies S tay...

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