quản lí mạng viễn thông

7/30/2019 qun l mng vin thng

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Qun l mng vin thng

Telecommunication Network Management

Ging vin: Hong Trng Minh

Bi ging mn hc


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Ni dung mn hc

Chng 2: Giao thcqun l mng SNMP2.1 Giithiu chung v SNMP

2.2 Qun l truyn thng SNMP

2.3 Cu trc thng tin qun l MIB

2.4 Cs thng tin qun l MIB2.5 SNMPv2 vs SNMPv3

Chng 1: Tng quan qun l mng1.1 Cc yu cuqun l mng

1.2 Cc cch tipcnqun l mng

1.3 Kin trc qun l mng


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Ni dung mn hc

Chng 4: Qun l mngthctin4.1 Qun l mng IP

4.2 Qun l mng MPLS

Chng 3: Gim st t xa RMON3.1 Giithiu chung v RMON

3.2 RMONv1 vs RMONv2

3.3 Trnghpthctin


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Chng 1: Tng quan qun l mng

o Khi nim v qun l khai thc mng

Cc kiu kin trc mng

Mng in thoi in hnh


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Chng 1: Tng quan qun l mngo Khi nim v qun l khai thc mng

Cc kiu kin trc mng

199019801970

Public Switched Telecommunication Network (PSTN)

Intelligent Network Internet (IN)

Open Systems Interconnection Internet (OSI)

Commercial Mobile Radio Systems

2000

NGNs

IP Internet (IP)

private quasi-public

Was never designed

as public

infrastructure


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Cc kiu kin trc mng

Mng my tnh ngang hng


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Cc kiu kin trc mng

Mng my tnh client-server


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Cc kiu kin trc mng

Mng LAN in hnh


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Cc kiu kin trc mng

Mng MAN in hnh


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Cung cp kh nng qun l ngun ti nguyn NGN trn c mng li, mng

truy nhp, cc thnh phn lin kt ni, mng khch hng v thit b u cui.

Cung cp kh nng qun l ngun ti nguyn dch v c lp vi ti nguyn

truyn ti, cho php h tr phn bit cc dch v ngi s dng u cui.

Cho php kh nng kin to dch v mi cho ngi s dng trn mi kin

to dch v ca NGN.

Cung cp kh nng qun l mng ti cc dch v ring ca ngi s dng

(bo co li, bn ghi cc trc tuyn).


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m bo truy nhp an ton cc thng tin qun l.

H tr cc mng gi tr eBussiness da trn cc lut kinh doanh (khch hng, nh

cung cp dch v, cc i th cnh tranh, nh cung cp).

m bo truy nhp an ton cc thng tin qun l.

H tr cc mng gi tr eBussiness da trn cc lut kinh doanh (khch hng, nh

cung cp dch v, cc i th cnh tranh, nh cung cp).

Cho php cc ngi dng c nhn hoc cc t chc a lut ring vo trong mi

trng mng chung.a ra nhn nhn tng th v cc ngun ti nguyn nhm che du phc tp v s

a dng ca cc cng ngh.


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H tr vn thu thp d liu cc cho ngi iu hnh mng trn c hai phng thc

online v offline.

Cung cp kh nng khi phc mng khi mng li, gim st mng khch hng, cung cp

dch v tch hp t u cui ti u cui v t ng ch nh ngun ti nguyn.

Cung cp kh nng iu hnh mng da trn cht lng dch v. Kh nng trao i cc thng tin qun l qua cc vng bin mng: Gia vng dch v v

vng truyn ti, gia mt bng iu khin v mt bng qun l v gia cc vng qun l.

C cc giao din qun l trn cc phn t mng tiu chun, d pht trin cho c nh

cung cp dch v v ngi s dng dch v.

C kh nng iu khin, phn tch v tm kim cc thng tin qun l thch hp.


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15

Kha cnh x l kinh doanh xuyn sut cng vi vng i pht trin h thng da trn m hnh eTOM.

Kha cnh qun l chc nng c trng cho cc thng tin qun l c yu cu cho truyn thng gia

cc thc th.

Kha cnh qun l thng tin m t cch thc qun l cc thng tin s dng trong nhim v qun l mng.

Kha cnh qun l vt l m t cch thc qun l cc thit b vt l.

Kha cnh bo mt c coi l mt kha cnh m rng ca lnh vc qun l mng


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H tr cho cc nh cung cp dch v SP (Service Provider) v h tr

trin khai cc h thng qun l mng.Phi hp vi cc phn t mng NE (Network Element) qun l cc

ngun ti nguyn vt l v logic ca mng.

Qun l ti nguyn ti cc thit b n ca mng.


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o Cc yu cu qun l mng

Qun l mc cao (3 lp nh)

Gim st:

Thu thp thng tin trng thi ti nguyn

Chuyn thng tin dng s kin

a ra cnh bo (ngng xc lp)

Qun l:

Thc hin yu cu qun l (ngi qun l, ng dng qun l)

Thay i trng thi cu hnh, trng thi ti nguyn

Bo co:Chuyn i v hin th bo co

Xem xt thng tin, tm kim, tra cu


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o Cc yu cu qun l ngi s dng

Trn quan im t pha ngi s dng

Kh nng gim st v iu khin mng

Truy nhp t xa, cu hnh ti nguyn qun l

Ci t thit lp cc ng dng Bo mt thng tin

Bo co v thng tin qun l

Nng cp h thng v tng thch vi mi trng mng

Lu tr v khi phc thng tin qun l


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o Cc phng php qun l mng

i, Qun l hin

Nu h thng qun l c khi to v qun l bi con ngi, phng php

qun l mng ny c gi l qun l hin.

Khng cn thit phi thit k chi tit cc chc nng qun l trong giai on thitk h thng.

Tin trnh thit k h thng s gim bt phc tp v thi gian.

Nhc im ca qun l hin l b gii hn kh nng x l v s lng li t

chnh ngi iu hnh h thng


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ii, Qun l n

Khi h thng t khi to v iu hnh, phng php qun l ny c gi l

qun l n.

S khc bit vi phng php qun l hin l phng php thi hnh.Vi cc h thng thng minh v h thng chuyn gia h tr cho phng php

qun l n, ranh gii gia hai phng php qun l c thu hp li.

Phn bit cc chc nng nguyn thu v cc chc nng qun l nhm la chn

phng php qun l theo thc t


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o Cc phng php qun l mngiii, Qun l tp trung

Nn qun l mng lin quan ti th tc thu thp thng tin v cc tnh ton n gin.

ng dng qun l s dng cc dch v cung cp bi nn qun l ra quyt nh x l v h

tr cc chc nng lp cao


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22

iii, Qun l tp trung

Nn tng qun l mng c t trn mt h thng my tnh n.

d phng h thng cn c lu tr bn sao ti mt h thng khc.

H thng qun l c th truy nhp v chuyn cc s kin ti bn iu hnh hoc h thng

khc.

Thng c s dng cho cnh bo v s kin li trn mng, cc thng tin mng v truy

nhp ti cc ng dng qun l.

u im

Quan st cnh bo v cc s kin mng t mt v trBo mt c khoang vng n gin

Nhc im

Li h thng qun l chnh s gy tc hi ti ton b mng.

Tng phc tp khi cc phn t mi thm vo h thng.

Tn ti cc h thng hng i ch x l khi c nhiu yu cu x l t cc thit b.


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o Cc phng php qun l mngiv, Qun l phn cp


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o Cc phng php qun l mngiv, Qun l phn cp

H thng qun l vng thng l h thng my tnh a chc nng: truy nhp

ti my ch trung tm v hot ng nh mt client.

Khng ph thuc vo mt h thng n.

Phn tn cc chc nng qun l mng.

Gim st mng c phn tn qua mng.

Lu tr thng tin tp trung

u im

Cc h thng a nng qun l mng d m rng.Nhc im

Thu thp thng tin phc tp v tn thi gian.

Danh sch thit b qun l bi cc client phi c xc nh v cu hnh trc.


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o Cc phng php qun l mngv, Qun l phn tn


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o Cc phng php qun l mngv, Qun l phn tnT hp kin trc qun l tp trung v kin trc phn tn

S dng mt s cc h thng qun l mng ngang hng

Mi nt ngang hng c mt c s d liu hon chnh

Mi nt ngang hng c th thc hin cc nhim v khc nhau v gi bo coti

h thng trung tm.

Mt v tr lu tr thng tin cnh bo v s kin ton mng

Mt v tr truy nhp ti ton b ng dng mng.Khng ph thuc vo mt h thng n

Phn tn cc nhim v qun l v nhim v gim st ton mng


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o Cc phng php qun l mngvi, Qun l lai


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o Cc phng php qun l mngvii, Qun l hng i tng


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viii, Qun l tch hp


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o Quan im qun l Manager-Agent

M hnh truyn thng Manager-agent

Thcth

qun l

Agent Cc ngun ti

nguyn b qunl

Thc th b qun lYu cu

Phn hi

Polling

Gi thng bo


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MANAGER AGENT

Qun l chcnng

Qun l chcnng

Cc chnh sch qun l

Ngi iuhnh

M hnh truyn thngM hnh vn hnh

M hnh t chc M hnh thng tin

M hnh chc nng

Giao din ngis dng

Cc lnh

Cc p ng

Cc thng bo

Ngi iuhnh

M hnh quan h Manager-Agent


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M hnh quan h Manager-Agent

M hnh kin trc: Thit k, cu trc cc thnh phn tham gia

M hnh vn hnh: nh ngha giao din ngi my (iu khin i tng

qun l, hin th, tm kim cc s kin).

M hnh chc nng: Xc lp cc cu trc chc nng v lp chc nng.M hnh t chc: Chnh sch v th tc vn hnh. (Xc nh min qun l,

phn chia iu hnh, lin kt cc khi qun l v ng dng qun l).

M hnh thng tin: Tm tt cc ngun ti nguyn qun l trong ng cnh chung

ca Manager-Agent.


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o Kin trc qun l

M hnh h thng qun l theo OSI n

Xem xt ti cc ti nguyn h thng qun l

(cc i tng b qun l).

nh ngha cc thc th lp, cc u ni, cc

thit b phn cng.

Xem xt ti cc c tnh ca i tng qun l

thc hin chc nng qun l h thng.


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o Kin trc qun l

Cc khi chc nng ca kin trcqun l theo ISO


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o Kin trc qun l (OSI)

Kha cnh chc nng

Qun l cu hnh: Cc tin trnh xc nh,x l cc tham s thay ica thitb,

phngtintruyn thng nhm duy tr hotngchcnngcamng.

Cc tham s: Thitlp,khitoli,hochinth tham s thng qua cc lnh.

Qun l li:Tin trnh pht hinli, xc nhli, cch ly li v sali.

Pht hinli c th xc nh qua ngngcnh bo, hoc thng tin t pha ngis

dngdchv.

Bccui cng ca qu trnh qun l li c th lin quan ti tin trnh thay i cc

tham s cho ph hp trong qun l cu hnh.


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Qun l hiu nng:Cc tc v yu cu nh gi mc s dng ca cc thit b mng

v phng tin truyn dn v t cc tham s ph hp vi yu cu thc t.

Qun l hiu nng s dng cc thng tin gim st thit b hoc c s d liu trong

qu trnh thng k. Qun l hiu nng lin quan mt thit vi qu trnh quy hoch

mng.

Qun l bo mt: M t mt tp cc tc v nhm m bo nhn thc ngi s dng

v thit b, nn d liu, phn b kho bo mt, duy tr v gim st bn ghi bo mt,

pht hin v ngn chn cc xm phm khng cho php.

Qun l ti khon:Lin quan ti qu trnh tnh cc v ho n s dng dch v,

qun l ti khon cung cp phng php tnh ph hp cc yu cu ca ngi s

dng v hin trng mng.

Kha cnh chc nng


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Kha cnh truyn thng

Kha cnh truyn thng trong m hnh qun l OSI c nh ngha trong

chun giao thc dch v thng tin qun l chung (CMIS). CMIS nh ngha

cc dch v c bn nh : khi phc thng tin qun l, thay i c tnh ca

i tng b qun l (agent), xo b v to ra cc i tng qun l mi,

bo co cc s kin trong qu trnh qun l.

kh dng, kh nng hot ng lin kt,

khnng di ng v khnng phn cp.


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o Kin trc qun l TMN

Quan h gia TMN v mng vin thng

OS OS OS

Mng truyn s liu DCN

Ex TS Ex TS Ex

WS WS WS

TMN

Mng vin thng

Nhim v TMN: Qun l

mng nhm khai thc cc

dch v trn mng vin thng

hiu qu.

H tr cc dch v vin

thng to ra ngun doanh

thu mi v gim chi ph qun

l, khai thc v bo dng

mng.


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o Kin trc qun l TMN

TMN

OSF

MF

QAF NEF

WSF

Chcnngphntmng NEF.

Chcnnghthngiu hnh OSF.

Chcnngtrm lm vic WSF.

Chcnng thch ng QAF

Chcnng trung gian MF.

Cc khi chc nng ca TMN


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o Kin trc qun l TMN

Chcnngphntmng NEF

NEF (Network Element Function) l mt khi chc nng thng tin ca TMN nhm

mcch gim sthociukhin.

NEF cung cp cc chcnngvin thng v chcnnghtrmngqun l.

Chc nng h iu hnh OSF

OSF (Operation System Function) cung cp cc chc nng qun l. OSF x l cc thng

tin qun l nhm mc ch gim st phi hp v iu khin mng vin thng.

H tr ng dng cc vn v cu hnh, li, hot ng, tnh ton, v qun l bo mt.

Chc nng to c s d liu

H tr cho kh nng giao tip gia ngi v my thng qua thit b u cui ca ngi s dng.

Cc chng trnh phn tch cung cp kh nng phn tch li v phn tch hot ng.

Khun dng d liu v bn tin h tr thng tin gia hai thc th chc nng TMN

Phn tch v quyt nh, to kh nng cho p ng qun l.


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o Kin trc qun l TMNChc nng trm lm vic WSF

WSF ( Work Station Function ) cung cp chc nng cho hot ng lin kt gia ngi s

dng vi OSF.

WSF c th c xem nh chc nng trung gian gia ngi s dng v OSF.

Chc nng thch ng Q

QAF (Q Adapter Function) cung cp s chuyn i kt ni NEF hoc OSF ti TMN, hoc

nhng phn t mng khng thuc TMN vi TMN mt cch c lp.

Chc nng thch ng Q c s dng lin kt ti cc phn t TMN m chng khng h

tr cc im tham chiu TMN chun.

OSF

Phi

TMN

NEF

Phi

TMNQAF QAF

TMN

imtham

chiu

m

imtham

chiu

q

imtham

chiu

q

imtham

chiu

m


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o Kin trc qun l TMN

Chcnng trung gian MF

MF (Mediation Function) hotngtruyn thng tin gia OSF v NEF.

Chcnng trung gian hotng trn thng tin truyn qua gia cc chcnngqun l v cc

itngqun l.

MF cung cpmttp cc chcnngcngni (Gateway) hay chuyntip (Relay).

Cc chcnngca MF:

Cc chcnngtruynti thng tin ITF (Information Tranfer Funtion).

Bini giao thc.

Binibn tin.

Bini tn hiu.Dch/ nh xach.

nhtuyn.

Tp trung.


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o Kin trc qun l TMN

TMNTMN WSF

OSF

MF

NEFQAF QAFNEF

MF

OSF

WSF

f

f

q3

q3

f

f

qx q3

x

q3

qxqx

m m

g g

q3

q3

q3

qx

q3qx

qx

Cc khi chc nng v cc im tham chiu


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o Kin trc qun l TMN

Cc thnh phnchc nng

Cc khi chcnng

Cc thnh phn

vt l

Cc im thamchiu

Kin trc vt l

Kin trc chc

nng

Giao din

Quan h gia m hnh chc nng v kin trc vt l


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o Kin trc qun l TMN

OS

MD

DCN

DCN

WS

QA

WS

NEQANE

X/F/Q3

X/FQ3

Qx

Q3/F

Q3 X/FQ3 Qx

x

x

F

G

G

Kin trc vt l TMN


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o Kin trc qun l TMN

NEF MDF QAF OSF WSF

NE M* O O O O

MD M O O O

QA M

OS O O M O

WS M

M: Btbuc

O: Tuchn

Mi quan h ca khi vt l v khi chc nng qun l


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o Kin trc qun l TMN (Vt l)

H iu hnh OS

Thc hin cc chc nng h iu hnh OSF nh miu t trong kin trc chc nng

TMN.

OS c th cung cp tu chn v QAF v cc WSF.

X l thng tin nhm theo di iu khin v gim st mng vin thng.

OS thc hin lin kt ni ti OS trong TMN v ti TMN khc.

Cc c tnh yu cu:

m bo yu cu thi gian thc cho cc giao thc TMN.

Truyn ti thng tin qun l. m bo dung sai li.


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Phn t mng NE

Phn t mng NE bao gm thit b vin thng (hoc cc nhm/cc phn ca thit b

vin thng) v thit b tr gip hoc bt k mc hoc cc nhm, cc khon mc tnh

ton lin quan nhm thc hin chc nng NEF.

c tnh yu cu:

Ty chn cc khi chc nng qun l.

Tp hp cc giao din gm c giao din chun (Q) v giao din ty chn.


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Thit b trung gian MD

Thc hin chc nng trung gian nh ngha trong kin trc chc nng TMN.

X l thng tin truyn gia OS v phn t mng.

c tnh yu cu:

Chuyn i thng tin: Chuyn i cc m hnh thng tin thnh m hnh thng tin ng nht. Lin kt iu hnh: Cung cp giao thc thit lp v tha thun kt ni.

X l d liu: Cung cp vic tp trung, la chn d liu, t khun dng cho d liu v bin dch d

liu.

Ra quyt nh: Truy nhp trm lm vic, xp xp, lu tr d liu, nh tuyn d liu, truy nhp kim

tra. Lu tr d liu: Lu tr c s d liu, cu hnh mng, phn loi thit b, d tr b nh.


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Trm lm vic WS

Thc hin chc nng WSF.

Dch thng tin im tham chiu f ti mt khun dng c th hin th im tham chiu

giao din ngi-my v ngc li. (im tham chiu g)

c tnh yu cu:An ton truy nhp, xc nhn tnh hp l, duy tr c s d liu qun l.

Giao din F v khng gm OSF.

OS

OS

Chc nng

trm lmvic

Chc nnghin th

Users


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OSF

QAF

NF QAF

NE

NF

OSF OSF

QAM Q3

Q3

M

Cc cu hnh khc nhau ca thch ng Q

Mt QAF thchin hai chcnngcbn: chuyni thng tin v chuyni giao thc.


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q Gia OSF, QAF, MF v NEF

f Gia OSF hoc MF vi WSF

x Gia OSF ca hai TMN

g Gia WSF v ngisdng (users)

m Gia QAF v thc th non-TMN bqun

l

S lin kt cc khi chc nng qua imtham chiu


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o Kin trc qun l TMN

NE-OSF

N-OSF

S-OSF

B-OSF

q3

q3

q3

x

x

x

Lp qun lkinh doanh

Lp qun ldch v

Lp qun lmng

Lp qun lphn t

Cc lp qun l ca TMN

Lp qun l phn t mng (NEML-

Network Element Managerment Layer)

Lp qun l mng (NML- Network

Managerment Layer)

Lp qun l dch v (SML- Service

Managerment Layer)

Lp qun l kinh doanh (BML-

Business Managerment Layer)


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o Gii thiu chung v SNMP

Giao thc qun l mng n gin SNMP

RFC 1052 l cc yu cu tiu chun ho qun l mng v tp trung vo cc

vn qun l mng phi thc hin:

m bo tnh m rng

m bo tnh a dng pht trinm bo tnh a dng trong qun l

Bao trm nhiu lp giao thc

RFC 1065 - Cu trc v nhn dng thng tin qun l cho TCP/IP da trn internet.

RFC 1066- C s thng tin qun l cho qun l mng TCP/IP.

RFC 1067Giao thc qun l mng n gin.


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RFC 1155

Cu trc v nhn dng thng tin qun l cho TCP/IP da trn Internet.

Cu trc v hng dn nhn dng thng tin thng tin qun l cho cc tn i tng.

M t thng tin qun l theo cu trc hnh cy.t ra mt s hn ch cho php giao thc n gin.

a cc lut ng k tn cho cc i tng


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RFC 1212

nh ngha c s thng tin qun l v hon thin cc nh ngha ca 1155.

RFC 1213

C s thng tin qun l cho qun l mng ca TCP/IP MIB-II.

Lit k cc bin s dng trong m hnh qun l mng, trng thi ca cc h

thng iu hnh mng.

RFC 1157

nh ngha cc bn tin c th trao i gia h thng qun l vi cc thc th b

qun l c hoc cp nht gi tr.

nh ngha bn tin TRAP c gi i t h thng.

nh ngha khun dng bn tin v chi tit giao thc truyn thng.


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H thng qun l mng da trn SNMP gm ba thnh phn: b phn qun l

(manager), i l (agent) v c s d liu gi l C s thng tin qun l (MIB).


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o M hnh v kin trc SNMP


Cc m hnh quan h s dng SNMP

Network

Management

Communication

Model

Information

Model

Organization

Model

Functional

Model


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M hnh tchc

Quan hgiaphntmng, agent, and manager

Kin trc phn cp

M hnh thng tin

Sdng c php ASN.1

SMI (Cu trc ca thng tin qun l )

MIB ( Cs thng tin qun l )

M hnh truyn thng

Truynti c php SNMP qua TCP/IP

Cc dchvtruyn thng thchin qua bn tin

M hnh truyn thng da trn khung bomt chung.


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Network

Element

SNMPAgent

SNMP

Manager

Network

Element

Network Agent

SNMP

Manager

SNMP

Manager

(a) One Manager - One Agent Mode l(b) Multiple Managers - One Agent Mod

M hnh t chc 2 cp

Organization

Model


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M hnh t chc 3 cp

ManagedObjects

SNMP

Manager

RMON

Probe

Organization

Model


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M hnh t chc 3 cp vi my ch proxy

Non-SNMP

ManagedObjects

SNMPManager

ProxyServer

SNMP

ManagedObjects

Organization

Model

Gi h l i SNMP


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Information

ModelObject

Object

Instance 3

Object

Type

Encoding:

BER

Syntax:

ASN.1

Name:

OBJECT

IDENTIFIER

Figure 4.11 Managed Object : Type with Multiple Instance

Object

Instance 2

Object

Instance 1

Cc i tng c qun l theo kiu

Gi h l i SNMP


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Gii thiu chung v SMI

Thng tin qun l h thng SMI (System Management Information) nh ngha

mt c cu t chc chung cho thng tin qun l.

SMI nhn dng cc kiu d liu trong MIB v ch r cch thc miu t v t

tn cc ti nguyn trong c s d liu thng tin qun l MIB.

SMI duy tr tnh n gin v kh nng m rng trong MIB

SMI khng cung cp cch to hoc truy xut cc cu trc d liu phc tp.

B m, kiu (gauge), tch tc thi gian, a ch mng, a ch IP v s liu m

khng trong sut (opaque)

Information

Model

Gi th l i SNMP


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65


Cung cp k thut tiu chun nh ngha cu trc ca MIB c bit.

Cung cp k thut tiu chun nh ngha cc i tng n l, bao gm

c php v gi tr ca mi i tng.

Cung cp k thut tiu chun m ho cc gi tr i tng.

Information

Model

Gi th l i SNMP


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66


Cc nh ngha Module

Module-Identity

Cc nh ngha ca i tngObject-Type

Cc nh ngha thng bo

Notification-Type

Information

Model

Gi th l i SNMP


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67


Cc nh ngha Module

Module-Identity

Cc nh ngha ca i tngObject-Type

Cc nh ngha thng bo

Notification-Type

Information

Model

Gi th l i SNMP


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Cu trc cy MB-IIInformation

Model

Gi th l i SNMP


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Model

enterprises

(1)

private

(4)

hp(11)cisco(9) 3Com(43) Cabletron(52)

Figure 4.14 Private Subtree for Commercial Vendors

Internet{1 3 6 1}

V d v cc cy ring cho mt s Vendor

Gi th l i SNMP


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o C s thng tin qun l MIB-II trong SNMPv2


Cu trc phn nhm

Nhm h thng (System group): l mt m rng ca nhm system trong MIB-II

gc, bao gm mt nhm cc i tng cho php mt Agent SNMPv2 m t cc

i tng ti nguyn ca n. Cc i tng m rng bt u bng SyOR.

Nhm SNMP (SNMP group): mt ci tin ca nhm snmp trong MIB-II gc, bao

gm cc i tng cung cp cc cng c c bn cho hot ng giao thc.

Nhm cc i tng MIB (MIB objects group): mt tp hp cc i tng lin

quan n cc SNMPV2-Trap PDU v cho php mt vi phn t SNMP 2 cng

hot ng, thc hin nh trm qun tr, phi hp vic s dng ca chng trong

ton t Set ca SNMPv2.

Giao thc q n l mng n gin SNMP


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Model MIB MODULE

IMPORTS

EXPORTS

MODULE-IDENTITY

TEXTUAL-CONVENTION OBJECT IDENTIFIER

Application Data Types

OBJECT-TYPE

NOTIFICATION-TYPE

OBJECT-GROUP

NOTIFICATION-GROUP

MODULE-COMPLIANCE

I

E

MI

TCs

OIs

OTs

NTs

OGs

NGs

MCs



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Cc thnh phn trong MIBInformation

Model

MC

OT OT

OT OT

OG

OT OT

OT

OG

NT

NT

NT

NG

NT NT

NG

OI OII Edata types

data typesTC

TC

OG OG NG NG MC

MI



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M t cc i tng b qun l c SMI thc hin thng qua ngn ng m t ASN.1

C php tru tng v c php chuyn giao.

ASN.1 nh ngha mt mu bit trong b nh my tnh v c coi l bin s ca cc

chng trnh qun l.

SMI nh ngha 3 kiu c bn:Nguyn thu

Cu trc

nh ngha.

Gi tr m t nh lng cho kiu v c s dng a vo cc bng nh tuyn.

ASN.1 thu thp cc m t trong mt nhm c gi l module.

SMI cng bao gm mt MACRO m rng c bit ca ASN.1 l OBJECT-TYPE.

M T V TRUY NHP THNG TIN QUN L MIB

InformationModel



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4 Macro ca SNMP thch ng SMIv2 Information

Model

o OBJECT-GROUP macro

o NOTIFICATION-GROUP macro

o MODULE-COMPLIANCE macroo AGENT-CAPABILITIES macro

Tnh tng thch ca SNMPv2 c th hin qua Object-Group Macro vNotification-Group macro.



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o Cc trng thi thch ng cho SNMPv2


Macro NOTIFICATION-GROUP:c dng nh ngha mt tp hp cc thng

bo cho cc mc ch thch ng, gm cc mnh chnh sau:

Mnh NOTIFICATIONS: Lit k mi thng bo cha trong nhm thch ng.

Cc mnh STATUS, DESCRIPTION v REFERENCE: c ngha tng t nh

trong macro OBJECTS-GROUP.

Macro MODULE-COMPLIANCE: Chra mt tp nh nht ca cc yu cu lin

quan n vic thm mt hay nhiu khi MIB.

Macro AGENT-CAPABILITIES: Dng cung cp thng tin v cc kh nng c

trong mt phn t giao thc Agent SNMPv2. N c s dng m t mc

h tr c bit m mt Agent yu cu, lin quan n mt nhm MIB.



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Information

Model

o OBJECT-GROUP

c dch trong qu trnh pht trin, khng ti thi im chy.

Mnh i tng t tn cho mi i tng.

Tt c cc i tng u nm trong nhm i tng.

Phng php truy nhp c nh ngha bi MAX-ACESS.



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Information

Model

o OBJECT-GROUP

OBJECT-GROUP MACRO ::= BEGIN

TYPE NOTATION ::=

ObjectsPart

"STATUS" Status

"DESCRIPTION" Text

ReferPart

VALUE NOTATION ::=

value(VALUE OBJECT IDENTIFIER)

ObjectsPart ::= "OBJECTS" "{" Objects "}"

Objects ::= Object | Objects "," Object

Object ::= value(ObjectName)

Status ::= "current" | "deprecated" | "obsolete"

ReferPart ::= "REFERENCE" Text | empty

Text ::= value(IA5String)

END



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Information

Model

o OBJECT-GROUP

hrSWRunGroup OBJECT-GROUP

OBJECTS {

hrSWOSIndex, hrSWRunIndex, hrSWRunName,

hrSWRunID, hrSWRunPath, hrSWRunParameters,hrSWRunType, hrSWRunStatus

}

STATUS current

DESCRIPTION"The Host Resources Running Software Group."

::= { hrMIBGroups 4 }

V d



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Information

Model

o NOTIFICATION-GROUP

Cha cc thc th TRAP c nh ngha trong SMI

Mnh Notification nhn dng cc thng bo trong nhm.

Nhm thng bo c dch trc qu trnh chy.



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Information

Model


NOTIFICATION-GROUP MACRO ::= BEGIN

TYPE NOTATION ::=

NotificationsPart

"STATUS" Status

"DESCRIPTION" Text

ReferPartVALUE NOTATION ::=

value(VALUE OBJECT IDENTIFIER)

NotificationsPart ::= "NOTIFICATIONS" "{" Notifications "}"

Notifications ::= Notification | Notifications "," Notification

Notification ::= value(NotificationName)

Status ::= "current" | "deprecated" | "obsolete"ReferPart ::= "REFERENCE" Text | empty

Text ::= value(IA5String)

END



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Information

Model


linkUpDownNotificationsGroup NOTIFICATION-GROUP

NOTIFICATIONS { linkUp, linkDown }

STATUS current

DESCRIPTION

"The notifications which indicate specific changes in the

value of ifOperStatus."

::= { ifGroups 14 }

V d



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Information

Model

o COMPLIANCE-GROUP

Gm hai phn lp : Bt buc v ty chn

MODULE-COMPLIANCE MACRO ::= BEGIN

TYPE NOTATION ::=

"STATUS" Status"DESCRIPTION" Text

ReferPart

ModulePart

VALUE NOTATION ::=value(VALUE OBJECT IDENTIFIER)



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Information

Model

o COMPLIANCE-GROUP

hrMIBCompliance MODULE-COMPLIANCESTATUS current

DESCRIPTION

"The requirements for conformance to the Host Resources MIB."

MODULE -- this module

MANDATORY-GROUPS { hrSystemGroup, hrStorageGroup, hrDeviceGroup }

OBJECT hrSystemDateMIN-ACCESS read-only

DESCRIPTION

"Write access is not required.

GROUP hrSWRunGroup

DESCRIPTION

"The Running Software Group. Implementation of this group is mandatoryonly when the hrSWRunPerfGroup is implemented."

::= { hrMIBCompliances 1 }

V d



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Information

Model

o Agent Capabilities

H tr cc module v cc nhm lin quan.

Nhn dng cc c tnh b sung.routerIsi123 AGENT-CAPABILITIES

PRODUCT-RELEASE "InfoTech Router isiRouter123 release 1.0"

STATUS current

DESCRIPTION "InfoTech High Speed Router"

SUPPORTS snmpMIBINCLUDES {systemGroup, snmpGroup, snmpSetGroup,

snmpBasicNotificationsGroup }

VARIATION coldStart

DESCRIPTION "A coldStart trap is generated on all

reboots."

SUPPORTS IF-MIB

INCLUDES {ifGeneralGroup, ifPacketGroup}

SUPPORTS IP MIB

INCLUDES {ipGroup, icmpGroup}SUPPORTS TCP-MIB

INCLUDES {tcpGroup}SUPPORTS UDP-MIB

INCLUDES {udpGroup}

SUPPORTS EGP-MIB

INCLUDES {egpGroup}

::= { isiRouter 1 }



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Information

Model

o Agent Capabilities

routerIsi123 AGENT-CAPABILITIES

PRODUCT-RELEASE "InfoTech Router isiRouter123 release 1.0"

STATUS current

DESCRIPTION "InfoTech High Speed Router"

SUPPORTS snmpMIB

INCLUDES {systemGroup, snmpGroup, snmpSetGroup,

snmpBasicNotificationsGroup }

VARIATION coldStartDESCRIPTION "A coldStart trap is generated on all

reboots."

SUPPORTS IF-MIB

INCLUDES {ifGeneralGroup, ifPacketGroup}

SUPPORTS IP MIB

INCLUDES {ipGroup, icmpGroup}

SUPPORTS TCP-MIB

INCLUDES {tcpGroup}SUPPORTS UDP-MIB

INCLUDES {udpGroup}

SUPPORTS EGP-MIB

INCLUDES {egpGroup}::= { isiRouter 1 }



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o Nguyn l hot ng SNMP


Truyn thng gia manager v agent trong SNMP

Communication

Model



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o Cc thnh phn chc nng


B phn qun l l mt chng trnh vn hnh trn mt hoc nhiu my tnh trm.

Ty thuc vo cu hnh, mi b phn qun l c th c dng qun l mt

mng con, hoc nhiu b phn qun l c th c dng qun l cng mt

mng con hay mt mng chung.

i, B phn qun l (manager)

ii, Agent

Thit b chu s qun l l mt nt mng h tr giao thc SNMP v thuc v mng

b qun l. Thit b c nhim v thu thp thng tin qun l v lu tr phc v

cho h thng qun l mng.

iii, C s thng tin qun l- MIB

Mi thit b chu s qun l c th c cu hnh, trng thi v thng tin thng k rt

a dng, nh ngha chc nng v kh nng vn hnh ca thit b.

Communication

Model



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o Kin trc truyn thng SNMP


ng dng qun l

SNMP Manager

UDP

IP

Cc giao thc

ph thuc mng

Ge

tRequest

GetN

extRequest

Se

tRequest

Ge

tReponse

Trap

Cc ti nguyn c qun l

Cc i tngc SNMP qun l

SNMP Agent

UDP

IP

Cc giao thc

ph thuc mng

GetR

equest

GetNextRequest

Se

tRequest

GetR

eponse

T

rap

Mng hocInternet

ng dng qunl cc i tng

Cc thng boSNMP

B phn qun l SNMP SNMP Agent

Communication

Model



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o Cc c tnh c bn ca giao thc SNM


SNMPv2 tch hp kh nng lin iu hnh t manager ti manager v a ra hai

n v d liu giao thc mi so vi v1.

Nhm cnh bo cho php t ngng thit lp cho cc bn tin cnh bo.

Nhm s kin c a ra khi thng tin Trap xc nh cc gi tr phn t MIB.Hai n v d liu giao thc PDU : GetbulkRequest v InformRequest

Communication

Model



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o H thng lnh ca SNMP

G ao t c qu g g SN

Cc c tnh c bn ca giao thc SNMPV2Cu lnh Gi tr trong trng PDU

GetRequest 0

GetNextRequest 1

Response 2

SetRequest 3

GetBulkRequest 4

InformRequest 5

SNMPv2-Trap 6Report 7

Communication

Model



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q g g

Cc c tnh chc nng lnh trong SNMPV2GetRequest: Thc hin t Manager ti Agent.

S dng c bin MIB n hoc danh sch cc bin MIB t cc Agent

ch.

GetRequest yu cu s dng hai a ch, a ch u l a ch ca manger

hoc agent, a ch th hai th hin v tr ca bin hoc i tng.

GetNextRequest:Thc hin t Manager ti Agent.

Tng t nh cu lnh GetRequest (tu thuc vo agent trong khon mc

k tip ca MIB).

Cc bin c lu trong thit b v c coi nh i tng b qun l. V

vy, cu lnh GetNextRequest m rng cc bin v c c theo tun t.

Communication

Model



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q g g

Cc c tnh chc nng lnh trong SNMPV2SetRequest:Thc hin t Manager ti Agent.

SetRequest tm kim cc thng tin m rng trong bng MIB v yu cu

Agent t gi tr cho cc i tng qun l hoc cc i tng cha trong

cu lnh.

SetRequest lin quan ti s tn ti ca cc i tng b qun l v cc

phng thc truy nhp.

GetResponse:Thc hin t Agent ti Manager.

Cu lnh ny cung cp c ch p ng cho cc cu lnh GetRequest,

GetNextRequest v SetRequest.

Cc thng tin trong cu lnh GetResponse gm mt s trng chc nng cho

php p ng cc cu lnh nhn trc .

Communication

Model



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q g g

Cc c tnh chc nng lnh trong SNMPV2Trap:Cu lnh c lp.

Trap a ra cc thng tin lin quan ti cc iu kin c nh ngha trc v

c gi t cc Agent ti Manager.

GetBulkRequest:Chc nng ca cu lnh GetBulkRequest tng t nh cu lnh

GetNextRequest ngoi tr vn lin quan ti s lng d liu c ly ra.

GetBulkRequest cho php Agent gi li Manager d liu lin quan ti nhiu i

tng thay v tng i tng b qun l.

Nh vy, GetBulkRequest c th gim bt lu lng truyn dn v cc bn tin p

ng thng bo v cc iu kin vi phm.

Communication

Model



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q g g

Cc c tnh chc nng lnh trong SNMPV2InformRequest:Cu lnh InformRequest cung cp kh nng h tr cc Manager

b tr theo cu hnh phn cp.

Cho php mt Manager trao i thng tin vi cc Manager khc.

Cc cnh bo v s kin c gi i trong cu lnh InformRequest pht hin

v khi to li cc tuyn truyn bn tin.



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0 0


q g g

Cc c tnh chc nng lnh trong SNMPV2

Communication

Model

Cu trc bn tin trong SNMPv2



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q g g

Gi v nhn bn tin trong SNMPv2

o Gi v nhn bn tin trong SNMPv2

Sdng ASN.1 m tmt PDU.

PDU chuyn sang dchv xc nhn cng vi cc achngun v chca truyn thng v mt tn

truyn thng.

Phnt giao thc sau to ra bn tin gmtrngshiu phin bn, tn truyn thng vo ktquca

bc trn.

itng ASN. 1 mi ny sau c m ho sdng BER (Bit Encoding Rules) v gindchv

vnchuyn.

i, Gimtbn tin SNMPv2



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o Truyn v nhn bn tin trong SNMPv2

q g g

ii, Nhnmtbn tin SNMPv2

Kim tra c php cbncabn tin v loibbn tin nu c php sai.

Kim tra shiu phin bn v loibbn tin nu khng tnghp.

Phnt giao thc sau chuyn trn ngisdng,phn PDU cabn tin v cc a

chngun v chcabn tin tidchv xc nhn.Nu xc nhnb sai -> to ra Trap v loibbn tin.

Nu xc nhn hon thnh ->dchv xc nhntrlimt PDU theo dngcamt

itng ASN.1.

Phn t giao thc thchinkim tra c php v loibbn tin nu c php sai. Nu

ng -> chnh sch truy cp SNMPv2 tngng v x l PDU.



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o Giao thc SNMPv3

q g g

SNMPv3 da trn vic thc hin giao thc, loi d liu v u

quyn nh SNMPv2 v ci tin phn bo mt.

Nhng c im bomt cung cp trong SNMPv3:

Tnh ton vn thng tin : m bo cc gi tin khng b sa trong khi truyn.

S xc nhn: Xc nhn ngun ca thng tin gi n.

M kho: o ni dung ca gi tin, ngn cn vic gi thng bo t ngun

khng c xc nhn.



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o Giao thc SNMPv3

iu phi (Dispatcher).

Phn h x l bn tin (Message Processing Subsystem).Phn h bo mt (Security Subsystem).

Phn h iu khin truy nhp (Access Control Subsystem).



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o Giao thc SNMPv3

Phn h x l bn tin trong SNMPv3

Cu trc module ca phn h bo mt trong SNMPv3



101/146

o Giao thc SNMPv3

Khun dng bn tin SNMPv3

D liu chung : Trng ny xut hin trong tt c cc bn tin SNMPv3.

M hnh bo mt d liu : Vng ny c ba phn: phn chung, phn dnh cho s chng thc v phn cho

d liu ring.

ContextHai trng nhn dng v tn c dng cung cp context cho PDU no s phi x l.

PDUVng ny cha mt SNMPv2c PDU.



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o Giao thc SNMPv3

Cc ng dng ni b ca SNMPv3

Cc btolnh (Command Generator): To ra cc lnh SNMP thu thphocthitlp

cc dliuqun l.

Cc bpnglnh (Command Responder): Cung cpvic truy cptidliuqun l.

V d cc lnh Get, GetNext, Get-Bulk v Set PDUs cthchinbi cc bpng

lnh.

Cc btobn tin (Notification Originator): Khito Trap hoc Inform.

Cc bnhnbn tin (Notification Receiver) Nhn v x l cc bn tin Trap hoc Inform.

Cc b chuyn tip u nhim (Proxy Forwarder): Chuyn tip cc thng bo gia cc

phnt SNMP.



103/146

o Giao thc SNMPv3

Nguyn tc hot ng ca giao thc SNMPv3i, Gimtbn tinhocmtyucu

+ To ra cc yu cungdng

Nu gi tr messageProcessingModel khng miu t mt m hnh x l bn tin ->gi tr

errorIndication ctrli cho ngdnggi.

+ Khi iuvnto ra sendPduHandle cho qu trnh x l tip theo.

+ Khiiuvnbn tin gi yu cuti module x l bn tin phin bnctrng v c xc nh

bi messageProcessingModel(Nu statusInformation biu th li -> th gi tr errorIndication c tr

li cho ngdng ).Nu statusInformation biuthschpthun, th sendPduHandle ctrvng

dng v outgoingMessage cgii. Truyn thng csdnggi outgoingMessage ctr

v qua destTransportDomain v achm n gictrv qua destTransportAddress.

+ Qu trnh x l mtbn tin gii hon tt.

GIM ST T XA


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o Gim st b ng

Kh nng x l ca hthng qun l mng

Ti ca cc thit b Lu lng gim st trn mng

Tn sut gi thng tin

Chu k gim st ln c kch thc mu ln v c th c sdng cho cc mc tiu mang tnh chin lc

GIM ST T XA


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o Gii thiu chung

Mc tiu gim st nhm kim tra v gim st hiunng thc t ca dch v mng vi cc tha thun

cung cp cht lng dch v.

Gim st mngthng Gim st mngchng Mc tiu gim st

ChinlcLpkhoch

nh gi

GIM ST T XA


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o Gim st b ng

Cc trng thi trn tng lin kt

Lin kttruy nhpVng phn bitdchv

Vng nh cung cpdchvVng khch hngPht hinli v bo co ti khch hng, nh cung cpdchv.

Lin ktliTrng thi chtlngdchv

Gim st lp, gim st chnh sch, gim st hng i v mt gi.

GIM ST T XA


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o Gim st b ng

Gim st lp

Mcchsdng chnh ca cc trng thi phn lp l xc minh

lulng c nm trong lp thch hp hay khng.

Cc trng thi lp cn c th c sdng xc nh hoc suy

lunti cc trng thi khc.

Gim st phn lpc thchin trn tng lphoc tphp cc

lp.

GIM ST T XA


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o Gim st b ng

Gim st chnh sch

o p buc tc ti a cho dch v thi gian thc

o nh du cc lu lng trong hp ng lu lng.

Gim st hng i v tltntht

o Gim st hng i v t l loi b gi qua lng gi truyn v tn tht.

oGim st t l tn tht thng qua ui lu lng hoc k thut RED

GIM ST T XA


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o Gim st b ng

o Hthngloib gi tin in hnh: tibnhm v u vo

o Thng tin v cc hin tng loib gi tin trn ssdng xc nh

nguyn nhn loib gi v trnh slpli.

Gim sththng

o Ma trnlulng li l mt ma trnca cc yu cululngu vo

v u ra trong mng li.

o Ma trn lu lng c th o hoc nh gi t cc trng thi thu thp

c qua cc kthut gim st thng

Ma trnlulng li

GIM ST T XA


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o Gim st ch ng

o Kch thc gi : C hai cch tipcnnhm xc nh kch thc gi tin

gim st theo kch thc gi tin calulng gim st.

oChin lc lymu : Chin lc lymuthm d xc inh phn bcatrt cc gi tin gim st lin tcgm 3 kiu : nhk,ngu nhin v tng

t.

oTckim tra gim st : Tckim tra, gim st c xc nh qua s

lng gi tin gii trong chu trnh kim tra gim st.oThi gian kim tra v tnsut : Thi gian kim tra v tnsutcnln

nhmmbo tnh chnh xc ca php o

Cc tham slunglulngkim tra

GIM ST T XA


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o Gim st ch ng

o Cc tham solng theo phng php chng c th l mt tham s

n hoc mt tp tham s c xc nh qua lung lu lng gim st.

Cc tham s thng dng thng l : tr,binng tr, tn tht gi, bngthng v thng qua, s sp xp li, kh dng v cht lng cm

nhnt pha ngi dng QoE.

Cc tham sochng

GIM ST T XA


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o Gim st ch ng

oMth thngochngsdng cc agent gim st chnggi

v nhn cc gi tin gim st.

oHtrsn cc agent gim st chng trong cc snphm.oCu hnh ktni hnh liy,cu hnh ktni hnh litngphn v

cu hnh ktni hnh li phn cp.

oo cc ngdnang cn bng gi v nghngb.

Cc kha cnhtrin khai gim stchng

GIM ST T XA


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o nh ngha RMON

o RMON cung cp cc thng tin tiu chun cho ngiquntrmng c th

sdng gim st, phn tch v sali cho mt nhm mngccb phn

tn v ktni T1/E1, T2/E3 ti cc trm trung tm.

o RMON nh ngha cc thng tin c t cho cc kiu h thng gim st

mng.

Data

Analyzer

RMON

Probe

BACKBONE

NETWORK

SNMP

Traffic

SNMP

Traffic

LAN

RouterRouter

GIM ST T XA


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o Cc c tnh ca RMON

RMON hot ng da trn thit b, qua cc phn cng c bit iu hnh.

RMON gi thng tin theo phng php ch ng nhm s dng ti u bng

thng v cc s kin mng.

RMON c kh nng thu thp d liu chi tit.

Thit b RMON cung cp mt h thng gim st mnh m vi chi ph thp, cc

thm d RMON thng c ci t trong cc lin kt ng trc v my ch.

H thng RMON c th cu hnh cung cp d liu nh :

Cc thng tin lin quan ti hiu sut mng;

Cc thng tin thng k cho phn tch trng thi v chin lc mng;

Thng tin m t truyn thng gia cc h thng v lng d liu trao i.

GIM ST T XA


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o Cc c tnh ca RMON

Internet (1)

Directory (1) Mgmt (2) Exprimental (3) Private (4)

MIB-II (1)

System(1) Interface (2) SNMP (11) Rmon (16)

V tr RMON trong cy MIB-II

GIM ST T XA


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o Cc c tnh ca RMON

iu hnh ngoituyn

Gim stchng

Phthin v bo co li

Dliu gia tng gi tr

aqun l

RMON

RMON2

Physical

Data Link

Network

Transport

Application

Session

Presentation

GIM ST T XA


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o Cu hnh RMON in hnh

Cu hnh RMON in hnh

GIM ST T XA


118/146

o Cu hnh RMON in hnh

V d v mng gim st t xa RMON

GIM ST T XA


119/146

o Cc nhm ca RMON

RMON-MIB II16

Statistics (1)

History (2)

Alarm(3)

Host (4)

HostTopN (5)

Matrix (6)

Filter (7)

Capture (8)

Event (8)

Probe Config (19)

ursHistory (18)

a1Matrix (17)

a1Host (16)

n1Matrix (15)

n1Host (14)

addressMap (13)

ProtocolDist (12)

ProtocolDir (11)

TokenRing (10)RMON v1 m rng

RMON v1 RMON v2

GIM ST T XA


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o RMONv1

Thng k TokenRing

Lch s TokenRing

iu khin lch s

Th ng k Token Ring

Thng k Lch s Ethernet iu khin lch s

Thng k Ethernet

Thng k mytrm

Thng kHostTopN

Thng k ma trn

Thng k my trm v thng tin trao i

Lc gi Lc knh Bt gi gi

Nhm lc

To cnh bo To s kin

Thu thpd liu

Mng b gim st t xa

Khi

qun lmng

GIM ST T XA


121/146

o RMONv1

RMONv1 nh ngha 2 kiu d liu: OwnerString v EntryStatus

Cc thng tin d liu c biu din qua bng tham s iu khin gim st.

Bng tham s iu khin gim st to, xa cc tham s thng qua OwnerString.

Khi mt Agent iu khin chnh n OwnerString -> Monitoring.

Trng thi khon mc EntryStatus c s dng nhm gii quyt tranh chp gia cc hthng qun l.

Trng thi Tht M t

Valid 1 Hng tnti v trong trng thi hotng.

createRequest 2 Yu cuto hng mi qua itng ny

underCreation 3 Hng khng trong trng thi kch hot.

Invalid 4 Xa hngbng cch ngt cc lin kt nh xtikhonmc.

GIM ST T XA


122/146

o MIB RMONv1

Nhm OID Chcnng BngStatistics rmon 1 Trng thi mc lin kt -etherStatsTable

-etherStats2Table

History rmon 2 Thu thpd liu trng thi nh k v

lutr thng tin.

-historyControlTable

-etherHistoryTable

-historyControl2Table

-etherHistory2Table

Alarm rmon 3 To cc skin khi mu thu thpvt

ngng.

-alarmTable

Host rmon 4 Thu thpdliu trn my trm. -hostControlTable

-hostTable

-hostTimeTable

-hostControl2Table

GIM ST T XA


123/146

o MIB RMONv1

HostTopN rmon 5 S lng cc my trm sp xptheo sliuthng k thu thpc.

-hostTopNcontrolTable

Matrix rmon 6 Thng k lu lng gia cp my

trm.

-matrixControlTable

-matrixSDTable

-matrixDSTable

-matrixControl2Table

Filter rmon 7 Chcnnglc cho phpbtgi cc

thng tin cnthit.

-filterTable

-channelTable

-filter2Table

-channel2Table

Packet

Capture

rmon 8 Bt gi tin qua cc knh. -buffercontrolTable

-captureBufferTable

Event rmon 9 iukhintoskin v cnh bo. -eventTable

GIM ST T XA


124/146

o Cc nhm ca RMON

RMON-MIB II16

Statistics (1)

History (2)

Alarm(3)

Host (4)

HostTopN (5)

Matrix (6)

Filter (7)

Capture (8)

Event (8)

Probe Config (19)

ursHistory (18)

a1Matrix (17)

a1Host (16)

n1Matrix (15)

n1Host (14)

addressMap (13)

ProtocolDist (12)

ProtocolDir (11)

TokenRing (10)RMON v1 m rng

RMON v1 RMON v2

GIM ST T XA


125/146

o MIB RMONv2

Nhm OID Chcnng BngProtocol

directory

Rmon 11 Tm tt cc giao thc protocolDirTable

Protocol

distribution

Rmon 12 Thng k lu lng

tng quan giao thc

trn c s octet v ccgi

protocolDistControlTable

Address map Rmon 13 Bn nh x a ch

MAC v a ch mng

trn cc giao din

protocolDistStatsTable

addressMapControlTable

Network layerhost

Rmon 14 Lu lng d liu i vn mi my trm

addressMapTable

n1HostControlTable

Network layer

matrix

Rmon 15 D liu lu lng gia

cc cp my trm

n1Host Table

n1MatrixControlTable

GIM ST T XA


126/146

o MIB RMONv2

Application layerhost

Rmon 16 Lu lng d liu giaothc i v n mi my

trm

n1MatrixSDTable

n1MatrixDSTable

n1MatrixTopNControlTable

n1MatrixTopNTable

a1HostTable

Application layer

matrix

Rmon 17 Lu lng d liu giao

thc gia 2 my trm

a1MatrixSDTable

User history

collection

Rmon 18 D liu lch s ca ngi

s dng trn c s cc cnh

bo v thng k

usrHistoryObjectTable

usrHistoryTable

serialConfigTable

Probe

Configuration

Rmon 19 Cu hnh cc tham sphn

t gim st

netConfigTable

trapDestTable

serialConnectionTable

QUN L CC MNG THC TIN


127/146

o Qun l mng IP

Cc cim cbncaqun l mng IP

Slngln tham s do adngchngloithitbmng.

Cc mcthitb yu cuphng php qun l ring.Minqun l rngt bn ngoi ti bn trong thitb.

pngkhnng cung cpdchvmi.

Qun l chtlngdchv.



128/146

o Qun l mng IP

Phng php cu hnh

Giao din dng lnh (CLI)

Tplnhcthchintiktcuiqun l

C php cbitcnhnghabi nh snxutthitb

Tnh phctpln do khng tng thch

Ktnitrctiphociu hnh t xa (Telnet)

Thng tin qun l lutrdidng tiu chun

Cho php iukhintimc chi tit.



129/146

o Qun l mng IP

Phng php cu hnh

Giao dinha(GUI)

Giao din thn thinvingiqun l

Cc gi trngmnhc cung cptng theo ng c

Hinth theo tin trnh v thi gian

C khnngiu hnh t xa

GUI c thtrin khai qua CLI

Truy nhp file dliu thng qua chuyni trung gian.


130/146



131/146

o Qun l mng IP

Mtsvnqun l vi SNMP

Chuyndliuqun l vo m lnh

Stngtrngca MIB

phctp trong trin khai

Kin trc mi gii CORBA

Phn tn vmtchcnng (Tch qun l cu hnh v qun l phnt)

Phn tn vmta l ( Chia tix l gia cc Manager)



132/146

o Qun l mng IP

Cc i tngng dng

Cctin ch chung

Cc dch vi tng

Mi gii yu cu i tng

Kin trc mi gii CORBA

Kin trc CORBA c bn

Cc i tng ng dng:Cc sn phm c pht trin bi cc nhm nh cung cp v khng dng

cc giao din tiu chun. Cc i tng ny dng cc dch v CORBA khc nhau.

Cc tin ch chung:Cha cc dch v ng dng mc cao v khng cung cp cc dch v c bn nh

cc dch v i tng. (qun l mng/ h thng, giao din ngi dng ha).

Dch v i tng:Cung cp cc dch v quan trng c yu cu cho CORBA v c dng bi cc

tin ch chung v cc i tng ng dng.

Mi gii yu cu i tng:L bus truyn thng c dng bi cc ng dng CORBA trong mt mi

trng phn tn.



133/146

o Qun l mng IP Ccdchv CORBA

o Dch v t tn: Nhn tn ca mt i tng v tr v tham chiu i

tng trong server.

o Dch v s kin:S dng chuyn tip cc thng bo v cnh bo ti

cc thit b qun l phn t.

o Dch v chu trnh sng: Cung cp cc dch v to, xa, di chuyn v

sao chp cc i tng, iu khin chu trnh sng ca i tng.

o Dch v bo mt mc 1 CORBA: Cung cp nhn thc, cp php, bo

mt, y quyn, kim tra v ghi chp.



134/146

o Qun l mng MPLS

Ccngdngcbnca MPLS

PP

P

PEPE

PE

PE

PE

CECECE

CE

CE

CE

CE

Internet

VPNVPNVPN

VPN

VPN

VPN

V d v cung cp dch v VPN trn MPLS



135/146

o Qun l mng MPLS

Ccngdngcbnca MPLS

PE

PEMin MPLS

ngdnchnbi giao thcnhtuynnghmkthutlulng

ng hm k thut lu lng trong MPLS-TE



136/146

o Qun l mng MPLS

Cc itngqun l trong MPLS

itngnhtuynhin (ERO)

Danh sch cc ach node m tuyni qua

ERO cthitlp thng qua bo hiuThhin cc iukin rng bucnhtuyn

itng ti nguyn

Bng tn thu pht ln nht.

Kch c b lu lng ln nht.

di gi



137/146

o Qun l mng MPLS

Cc itngqun l trong MPLS

ng hm v ng chuyn mch nhnChuyn tip da trn c s tra cu nhn MPLS.

Chuyn tip trn c s ti nguyn c sn c nh.

Chuyn tip theo trn c s rng buc theo k thut lu lng.

Cc giao thc bo hiu CR-LDP

RSVP-TE


138/146



139/146

o Qun l mng MPLS

Cc i tng qun l MPLS trong MIB

Giao din MPLS ccu hnh trn thitbgm cc thnh phn sau:

Giao dintibnhtuyn IP

Giao thcnh tuynnimin IGP (bao gmc giao thcnh tuynh

trkthutlulng)

Giao thcnhtuynngoimin EGP

Giao thc bo hiu LDP hoc RSVP-TE.



140/146

o Qun l mng MPLS

Cc module qun l trong MPLS

C cu t chc ca cc module MIB cho MPLS



141/146

o Qun l mng quang

Khung lm viccbn

M hnh tng quan ca qun l mng quang



142/146

o Qun l mng quang

Phn lpqun l quang

Cc phn lp trong lp quang



143/146

o Qun l mng quang

Qun l li v hiunngmng quang

Qun l tlli bit

Gim st vtng quang

Qun l cnh bo

Phn cp tn hiu ch th li trong mng quang



144/146

o Qun l mng quang

Mngtruyn thng dliu v bo hiu

Phn t mng Ngoi bng OSC Tiu

OLT vib tch sng C C C

OADM C C C

Bkhuchi Khng C Khng

OXC vi ti to quang C Khng C

OXC ton quang C Khng C



145/146

o Qun l mng GMPLS

Bng MIB MPLS-TE

Mi quan h gia cc bng d liu trong MPLS-TE MIB


Q l G S


146/146

o Qun l mng GMPLS

Bng MIB MPLS-TE

quản lí mạng viễn thông

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