Алиев Т.И. Сети ЭВМ и телекоммуникации

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Ethernet-E65

FDDI-E65

4.5

 29EFF 29 9BC78EFB5-

F 28923, 4292B 6B2BCD59

"4273B9" 2722 9F6C 3 B52,

F74C685EFB5F 289 34EC-

3C9 62E577 4CB 389 8

DC2E2342 F 427 3F42 3 B52

"4273B9" (8. BF8.4.5), 4292B

F862EAD598 3 CF89BCEA72

89F (298C 9BF7 "F74C685E-

F") F 6BC9 2 62 +92

CF89BCEF B5F 289C E

289C34F 4 5DE5 7CD7C7F.

.277 289 FD3E4C9

Ethernet-4CB FD FDDI-4CBC F

6BC#9 2 3 879, 3 4292B2

7C2F98 CB8C9. %EF7C 62E

C77 FDDI-4CBC 289C927C

E BCD7F Ethernet-4CBC

C48FCEA72 EF7.

4.2.1.4. 3BC8 B A522CF45F9 3C FBC367F5

5A1 A 633D14642 51 4A15946 (source routing bridges)

"574 F27FB59 7C 28723 F7"2BC FF, "2BFB52 89C7 F,

628EC 4CB, F BC7F2 3 4273B9 4CBC.  +92 8E5C 289C 7

9B598 F9A CD5 C77 8 CB8CF.

.C2 8932 589B28932 26BE9 659A 4 CB8C95 BD

6B2 88, 7CD3C "3765#2782 6556" (route discovery).

36B2772 6BF7 F6 27CB57F CB$B59C 272

6B2FEE89BFB23C9A 7C 8E5 6BFB (BF8.4.6).

389B28932-F8927F4 F7F FCEFDFB59 27CB57F CB$B59C,

628EC 86 FCEA7 4CB (BF8.4.6,), 7CD3C "8F2362FE8"

(explorer). 288E23C9EA84F 4CB F862EAD59 86 FCEA7 4273B9,

BC862D7C3C 289CF 8 CB$B59FDC F 29 F8927F4C. !BF 62E57FF

9C422 4CBC 4C 289 3 86 FCEA72 293772 3 4CB 892 – 3F2

C688 3 6552 (routing information field), DC728F9 8E5F C77:

72B 32722 62B9C, 8 4292B22 E 62E57 4CB, F79F"F4C92B 289C

((i) F 72B 32722 62B9C, 7C6BFB: 1,(1,3 (8. BF8.4.6,). %CE

289 6BC9 +929 4CB 62 38 7C6BC3E7F, F84EC 92, 62 4292B25

4CB E 62E57.

 F92, 89C7 F 7CD7C7F 62E5C9 7842EA42 F88E23C9EA84F

4CB23, F8E2 4292B 26BE98 F8E2 32D27 CB$B5923.

19C7 F 7CD7C7F 3FBC9 2F7 FD CB$B5923 (8C 89B, 8C

42B294F FEF B52) F 628EC9 2939 89C7 FF-F8927F45.  2939

82BF98 F7"2BC F 2 CB$B59, 62 4292B25 2E7 628EC9A8 38

4CB. 19C7 F-296BC3F9EA DC62F7C9 CB$B59 F F862EAD59 2 38C

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E 296BC34F 4CB23 3 89C7 F 7CD7C7F. '9F 4CB 6BF 296BC34

34EC3C98 3 86 FCEA7 4273B9, 62797 E 28923 8

CB$B59FDC F 29 F8927F4C. (289, 62E5C +9F 4273B9, 7C29

82293989355 DC6F8A 3 86F84 CB$B5923 F 6BC9 4CB 62

75725 7C6BC3E7F.

(CB$B59FDC F 29 F8927F4C F862EAD598 289CF 3 89 Token

Ring E 6BCF 4CB23 5 BCD7F 42EA CF.

4.2.2. 2335C25938

633D146153, 4C4 F 289, 62D32E9 +""49F372 2F79A

89F F 53EFF3C9A F BCDB, 72, 3 29EFF 29 628E7F, BC29C9 7C

223 5372 OSI-2EF, 92 89A 26BFB59 22A8 65268, F

6B289C3E9 2E F79EE495CEA7 8B3F8, DC4ECF8 3

26BE7FF 7CF2E 6222 659F F 86282C 6BCF 6C4923.

 29EFF 29 289C, BC29C 4292B22 6B2DBC7C E 893

589B2893, BC29C CB$B59FDC92BC 2E7C 9A 73 C653276

53B3. %E +922 4C 62B9 (F79B"8) CB$B59FDC92BC F9

832 8932 CB8: S1, S2, … (BF8.4.7.,C). 4C BF8.4.7, 624CDC7C

4C727F84C 89B5495BC CB$B59FDC92BC.

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654$256* &25

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BCDE DC6F8F 2 CB$B59

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4.7

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!28956CF 6C49 DC72898 32 3272 5"B .!A.

579BCEA7 6B2 882B -' CB$B59FDC92BC 628E23C9EA72

C7CEFDFB59 DC2E234F 6C4923 F 3 822939893FF 8 3BC772 89BC9F

CB$B59FDC FF F DCC772 9CEF  CB$B59FDC FF ' 26BE9

3272 4C7CE 83DF , 3 3272 5"B (.!A) 4292B22 2E7

9A 7C6BC3E7 6C49.

4C BF8.4.8 624CDC7 6BFB 56B2#772 CB$B5972 9CEF  (())

5DEC (CB$B59FDC92BC) 4, 7C228 3 8F5DE232 89F.

 6B32 892E  54CDC7 289567 (FD3897) +925

CB$B59FDC92B5 55$5 24#52 7CD7C7F (/4). %E 4C22 /4 32

392B2 892E  54CD3C98 24#5 +6/32 (/0) – 8E52

CB$B59FDC92BC, 4 4292B25 2E7 7C6BC3E9A8 6C49, C 3 9B9A –

8932 CB8 32722 5#5*2 (/2) C7722 CB$B59FDC92BC: S1,

S2, S3, S4. !BF 7CEFFF CEA9B7C9F37 659 E 2722 F 922  /4

29 9A 7CD7C72 7842EA42 32D27 659 6BCF 6C49C. )C4,

7C6BFB, 6C49 8 /4=3 259 9A 7C6BC3E7 4 CB$B59FDC92B5 2 FEF

6 BD 327 F79B"8 S2 F S3 822939893772, 92 292BC72 3

9CEF  3 3F 35 89B24 8 27F CB82 7CD7C7F.  +92 8E5C

32B CB$B59C 285893E98 7C 28723 (5# ((), 54CDC772 3 4-

892E .

(9BF4C 29 "2BFB23C9A8 8 5#92 8E5F "C492B23:

• BC88927F 5 F8927F42 F 6BF7F42 6C49C, 4292B2

272 FDB98 "89F4CF 2623" (hop – 42EF8932

CB$B59FDC92B23, 6B277 6C492 29 F8927F4C 2 6BF7F4C);

• 6B265847C 862827289A 4C7CEC 83DF;

• 3B 289C34F BCD7F 659F;

• DCB5D4C 4C7CEC 83DF F 9..

 7C$ 6BFB 3 4C893 9BF4F F862EAD598 BC88927F 2

CB8C 7CD7C7F, FDB2 3 26C.

 2EA$F 89 E 27278 56C256 6F8A 6558C688

F, 822939893772, 3B7F 62F84C CB$B59C, F862EAD598 2BC7F77

7C2B CB823 7CD7C7F, 54CDC77 3 9CEF  372. %E 38 B5F

"6F86 6558C688 (") CF6 4

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1 1 S1 0

2 2 S2 0

3 2 S2 2

3 6 S3 1

5 5 S4 0

6 6 S3 0

7 2 S2 1

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4.8

123456 4. 768926ABC5 D5EF

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CB823 F862EAD598 CB$B59 62 52EC7F, 4292B25 3 9CEF 

82293989359 89B24C (default), 54CD3CC 8287F CB$B59FDC92B,

F862EAD5 62 52EC7F.

8A 8649B CB$B59FDC92B23 272 BCDF9A 7C 3 B566 (BF8.4.9):

1) 72B2F &5#5#*5 (2#+#%32# E 82F77F

72EA$F 5CE77 "FEFCE23 8 89A 79BCEA722 2"F8C;

2) (2#+#%32# %4265 4%&2 E 89 8B72

BCDBC;

3) 27 (2#265 (2#+#%32# E CD23 89

4B567 2BC7FDC F.

4.2.2.1. 192F92F789 A522CF45C328

23423492 633D146153 (Boundary Router) 6B7CD7C7

E 2F77F 5CE77 E24CEA7 89 8 79BCEA72 89A F, 4C4

6BC3FE2, F9 2BC7F77 32D27289F: 2F7 62B9 E 82F77F 8

E24CEA72 89A F 2F7 – E 82F77F 8 79BCEA7

CB$B59FDC92B2.

8 8E27 "574 FF 62 CB$B59FDC FF 32DECC98 7C

79BCEA7 CB$B59FDC92B, 3 83DF 8  6BF"BF7 CB$B59FDC92B

7 9B59 43CEF"F FB23C7722 28E5F3C7F 7C 89 F CBC49BFD598

7FD42 892F289A. *87237C 2 "574 F 82892F9 3 6BF79FF B$7F –

6B8EC9A 628956F3$F BD 62B9 E24CEA72 89F 6C49 62

F78937725 4C7CE5 BC86BE772 89F FEF 79. ) 8C

F84EC98 722F289A 6289B27F CB$B5972 9CEF .

4.2.2.2. 522CF45C328 5E97733 3BC5

633D146153 DC672995F5 C5A1DB6 272 F9

"F48FB23C775 (725EA75) 42789B54 F 8 72EA$F F8E2 62B923,

7C6BFB: 2F7 LAN-62B9 – E 826B7F 8 E24CEA72 89A, 29 2722

2 7842EA4F WAN-62B923 – E 83DF 8 CB$B59FDC92B2 89F

79BCEA722 2"F8C F 2F7 BDB37 62B9 E 4259FB522

82F77F.

(CB$B59FDC92B 5CE7722 28956C, 3 2 8E5C,

286F3C9:

• 5236F2782 E676F6 C8 3 523678$ (dial-on-demand) –

C392C9F842 589C723E7F 4259FB522 82F77F 92EA42 32

3B 6BCF C77;

• #682 677AD, 62D32E 6BFB72 332 6238F9A

6B2658475 862827289A 4C7CEC 83DF;

'2#+#%32#

!BF"BF7

3CE7722 28956C

(CF89BCEA7

4.9

123456 4. 768926ABC5 D5EF

255

• 636892E32 252EF$92782 56 8E6 76 E3852A2

F8788 (62E7289A FEF C89F72) 3 8E5C 32C FD 89B2 3E77

EF7F, C 9C4 6BF 6F423 7CB5D4C.

4.2.2.3. 5FBC25E789 A522CF45C328

6F4A1367892 633D146153, 3 DC3F8F289F 29 CBF9495B,

E98 7C CB$B59FDC92B:

• 8 79BCEFD23C772 CBF9495B2;

• 8 BC86BE#772 CBF9495B2.

&CBC49B7 28277289F CF89BCEA7 CB$B59FDC92B23 

#2&#54565* 2#!5%#*:

1) 25EA7C 42789B54 F:

• 4C 25EA CB$B59FDC92BC 87C7 8289377

6B2 882B2, 2BCC93CF E24CEA7 9BC"F4, 6B22F BD

62B9 +922 25E;

• 79BCEA7 6B2 882B DC893598 92EA42 E

CB$B59FDC FF 6C4923 5 BCD7F 25EF;

2) 7CEFF 2 7842EA4F 89423 62B923 E 826B7F 8

E24CEA7F F 9BBF92BFCEA7F 89F BCD7 9F623: Ethernet, Token

Ring, FDDI, X.25, Frame Relay, ATM F 9..;

3) 62B4C 8B893 2867F 294CD25892F3289F,

722F E 89BC9F84F 3C7 6BFE27F:

• DC7C 25E 3 "2B" BF (D 34E7F 6F9C7F);

• F862EAD23C7F FD927 F8927F423 6F9C7F;

• C392C9F84C F7CF84C B427"F5BC F 3 8E5C 294CD23;

• BC86BE772 56BC3E7F.

 CB$B59FDC92BC  5#263$2* 2#!5%#* 38

3F8EF9EA7C 27289A 828B2927C 3 272 25E.

*872372 528%23 CF89BCEA7 CB$B59FDC92B23 8

BC86BE772 CBF9495B2 62 8BC377F 8 79BCEFD23C772 – 2E

3824F 624CDC9EF 6B2FD32F9EA7289F F 294CD25892F3289F.

4CF2E FD3897F "FBCF-6289C3F4CF CB$B59FDC92B23

3E98 Cisco, 3Com, Hewlett-Packard.

4.2.2.4. 9C38 A522CF45FF

8 92 CB$B59FDC FF, 6BF7 3 CB$B59FDC92BC,

272 BCDF9A 7C 3 B566 (BF8.4.10):

1) 92 6892E3B ( 8E8536773B) CB$B59FDC FF;

2) 92 876892E3B (66873B) CB$B59FDC FF.

'54 (2#+#%32

89C9F84F ("F48FB23C77)

F7CF84F (CC69F37)

4.10

123456 4. 768926ABC5 D5EF

256

2"52 (2#+#%32 2D7CC9, 92 6C49 6BC98 62

26BE7725 659F, 589C723E7725 CF7F89BC92B2 F 7 FD725

3 97F EF9EA722 3B7F.

19C9F84C CB$B59FDC F 6BF798 3 72EA$F CE2

FD7F8 89, EC2CB 9C4F 33876 E6E:

• 7FD4F 9B23C7F 4 CB$B59FDC92B5;

• 623$77C D26C87289A 89F.

 92  3B 89C9F842 CB$B59FDC FF 6BF85F 8E5F

7236E8, 85893772 2BC7FF3CF # 6BF77F:

• 3824C 9B524289A +486E5C9C FF (893 CF7F89BC92B

2E7 DCC3C9A F 2F"F FB23C9A CB$B59 3B575);

• E77C CC69C F 4 FD77F 9262E2FF 89F.

02("52 (2#+#%32 – BC86BE77C CB$B59FDC F,

62D32EC C392C9F84F FD79A CB$B59 8E23C7F 6C4923 6BF

294CDC FEF 6BB5D4C 4C7CE23 83DF.

%E C392C9F8422 6289B27F F 2F"F4C FF CB$B597

9CEF F862EAD598 6B29242E (BF8.4.11):

• 752772B 6558C688 – IGP (Interior Gateway Protocol),

7C6BFB RIP, OSPF, IS-IS, ES-IS;

• 7272B 6558C688 – 1GP (Exterior Gateway Protocol),

7C6BFB 6B29242E BGP (Border Gateway Protocol), F862EAD5 3 89F

Internet.

1 F862EAD23C7F &#6$ $%#55* (2#+#%32

CB$B597 9CEF  89B298 3 6BEC 9C4 7CD3C2 6159595

A4A12 (autonomous system), 6B89C3E 822 82324567289A 89

8 F7 CF7F89BC9F37 62F77F (BF8.4.12).

%E 27C CB$B5972 F7"2BC F 5 C392727F

8F89CF C 382 6BF798 &#6 $5+5* (2#+#%32

EGP, BCDBC29C77 E 89F Internet. '929 6B29242E 7CD3C7 9C4 62925,

92 37$7F CB$B59FDC92B, 4C4 6BC3FE2, BCDC98 7C 6BF"BFF

C3927272 8F89. 12 DCCC DC4EC98 3 82B F7"2BC FF 2

289567289F 38 89 C772 C3927272 8F89 F 628E5

6BC +92 F7"2BC FF 37$7F CB$B59FDC92BC B5F

C392727 8F89.

-#6 42("5* (2#+#%32

759B77 CB$B59FDC FF

IGP (Interior Gateway Protocol)

7$7 CB$B59FDC FF

GP (

terior Gateway Protocol)

RIP

OSPF

IS-IS

ES-IS

BGP (Border Gateway Protocol)

4.11

123456 4. 768926ABC5 D5EF

257

1 592 269C 6BF77F 6B29242EC EGP E BCDBC29C7

6B29242E BGP, 28723C77 7C F862EAD23C7FF 7C722 9BC7862B9722

6B29242EC )16, 4292B 62 8BC377F 8 EGP:

• 286F3C9 2E 89B5 89CFEFDC F 269FCEA7

CB$B5923;

• 7A$ DCB5C9 89A 8E572 F7"2BC F, 3 C897289F, DC

89 6BCF 6BF FD77FF 89F F7"2BC FF, 297288 92EA42 4

+925 FD77F.

4.2.2.5. 123C33E8 A522CF45FF

!B29242E CB$B59FDC FF 56BC3E9 F7CF84F 272

F7"2BC F 2 CB$B59C 5 38F CB$B59FDC92BCF 89F,

BCEFD598 6B2BC72 3 CB$B59FDC92B, 82DC3C 9CEF 

CB$B59FDC FF, 292BCCF 2BC7FDC F 38 89F.

!B29242E 3759B77 CB$B59FDC FF, 4C4 6BC3FE2, 28723C7 7C

CE2BF9C 27C:

• 9CEF CF "3492B-EF7C" – DVA (Distance Vector Algorithm) –

6B29242E 9F6C «distance vector»;

• F7"2BC F 2 828927FF 4C7CE23 – LSA (Link-State Algorithm) –

6B29242E 9F6C «link state».

-#6 $%#55* (2#+#%32

DVA (Distance Vector Algorithm)

LSA (Link-State Algorithm)

RIP (Routing Information Proto8ol)

OSPF (Open Shortest Path First)

4.13

37376 826 ()

IGP



EGP

4.12

EGP

123456 4. 768926ABC5 D5EF

258

DVA - CE2BF9 27C F7"2BC F 2 289567 89 F

BC88927F 2 7F 659# 2583892E3B BC88E4F CB$B59FDC92BCF

$FB2423C9EA7 6C4923. . 6B29242EC 9F6C DVA 29728F98 2F7 FD

8C 6B3 6B29242E23 RIP (Routing Information Proto8ol), 4292B

6B327CCEA72 $FB242 6BF7E8 3 89F 279B79. '9F 6B29242E

CBC49BFD598 9, 92 6BF2F84F (C 8EF 3 89F 7 6B2F82F9

FD77F) 628EC9 $FB2423C9EA7 6C49 8 9CEF CF

CB$B59FDC FF, 4292B, 6B22 BD CB$B59FDC92B, 2723E9

9CEF  CB$B59FDC FF.

 4C2 89B24 CB$B5972 9CEF  54CD3C98:

• 8932 CB8 74292B2 89F;

• CB8 CB$B59FDC92BC, BD 4292B 8E59 6BC3C9A

6C49, 7C6BC3E 3 C775 89A;

• BC88927F 2 89F.

!BF F7F FCEFDC FF CB$B59FDC92BC 3 9CEF 5 CB$B59FDC FF

DC6F83C98:

• CB8C 8287F 89;

• CB8C 8287F CB$B59FDC92B23, 8 4292BF C77

CB$B59FDC92B 83DC7 7628B893772;

• BC88927F 2 8287F CB$B59FDC92B23 6BF7FC98 BC37 0

FEF 1 3 DC3F8F289F 29 BCEFDC FF.

.C 30 8457 CB$B59FDC92B 6BC9 $FB2423C9EA7

6C49, 82BCF 6CB (V, D),  V – CB8 2895672 89F, 7CD3C

21535, C D – BC88927F 2 +92 89F, 7CD3C2 C7495 21536.

 9BF4 RIP EF7C 3492BC FDB98 98F3 567C87AD

6558C6353 (3 26C) 5 C77 CB$B59FDC92B2 F

8229398935 89A. 4C 28723C7FF 62E577 9CEF "3492B-EF7C"

CB$B59FDC92B 3728F9 262E77F F FD77F 3 832 CB$B5975

9CEF 5, 26BE 659F F7FCEA72 EF7 32 38 289567 89F.

!2842EA45 4C7CE 83DF 259 F9A BCD7 6B265847

862827289F, 3 74292B BCEFDC F RIP EF7C 3492BC 572C98 7C

38232 42+""F F79, DC3F8F 29 842B289F 6BCF C77 62 .1.

*872372 33873 RIP F B5F 6B29242E23 9F6C DVA –

5336 BCEFDC FF.

1236E8 RIP:

1) 2F2776 68F8C68 269FCEA7 CB$B5923;

2) 3F6 C645CE6 28 6BC3CF 9CEF CF "3492B-EF7C",

258E23E77C 35 287237F "C492BCF:

• 6BF2F7289A 6BCF $FB2423C9EA7 6C4923,

82BCF 9CEF  "3492B-EF7C" – 6C49 6BC98 C 3 92

8E5C, 8EF 3 89F 7 E2 7F4C4F FD77F;

• 2EA$F 2#2 +9F 9CEF , 4292B 6B262B F27CE7 F8E5

6289, 32F 3 89A.

123456 4. 768926ABC5 D5EF

259

!B29242E 9F6C distance vector E822BCD72 6BF79A 3

72EA$F F 29728F9EA72 5892F3 89.  2EA$F 89

6BF2F84F 628EC $FB2423C9EA7 6C49 6BF329 4

6BB5D4 89F F 57A$7F 6B2658472 862827289F.

LSA – CE2BF9 27C F7"2BC F 2 828927FF 4C7CE23,

7CD3C 9C4 67F534164 B32CB51294 36162F5 BD14 SPF

(Shortest Path First), 28723C7 7C F7CF842 6289B27FF

CB$B59FDC92BCF 4CB9 9262E2FF 89F DC 89 82BC F7"2BC FF 22

38 2F7F F 4C7CEC 83DF. %E +922 CB$B59FDC92B

6BF2F84F 989FB59 828927F 4C7CE23 8 8287FF

CB$B59FDC92BCF, 62C 4C 4C7CE 4C4 "C49F37" FEF

"7C49F37". 4C 6BC49F4 E 57A$7F 8EF$42 C892 87 +9F

35 828927F 6BF798 8E5 6BC3FE2: «E676F 9862

"6E87A" 3 2D 35, 3E6 C76982F7AB 5327 23 72 6

35862F7343 52CF66, 8 "726E87A" – 3E6 C76982F7AB

5327 23 72 6 3F3#82F7343 52CF66».

!BF FD77FF 828927F 832F 4C7CE23 CB$B59FDC92B 7E772

BC86B289BC79 82293989355 F7"2BC F 62 89F 38 289CEA7

CB$B59FDC92BC, 4292B, 62E5F3 8227F, 2723E9 832F 4CB9

89F F DC7232 3F8E9 4BC9C$F 659F 32 38 924F 7CD7C7F.

!33876 CE2BF923 LSA:

1) CBC79FB23C77C F 2E 89BC 89CFEFDC F 269FCEA7

CB$B5923,  3 CE2BF9C DVA;

2) 6B28929C 29EC4F F 7A$F 2 6BC3C2 F7"2BC FF, 7

DC3F8F 29 22 F8EC 6289 3 89F.

!B29242E 9F6C LSA F862EAD598 3 2EA$F FEF 89B2 BC895F

89. . 7F 2972898 9C4F 6B29242E, 4C4 Open Shortest Path First

(OSPF) F Intermediate System to Intermediate System (IS-IS).

1C2 BC86B289BC7772 BCEFDC F CE2BF9C LSA 3E98

6B29242E OSPF – 294B9 89C7CB9, BCDBC29C77 E 6BF77F 3

CB$B59FDC92BC 89F 279B79 F $FB242 F862EAD5 3 7C892

3B 3 B5F 89 (NetWare, SNA, XNS, DECNet).

*ECC 38F 6BF5893CF CE2BF923 LSA, 6B29242E OSPF

286F3C9 8E5F 262E7F9EA7 32D27289F.

1. 6558C68 6C4923 3 822939893FF  C6E6C677A 83

3F#8678. 1932 CF7F89BC92B 29 6BF83CF3C9A 893

4C7CEC BCDEF7 D7C7F "892F289F", 287233C8A 7C F 6B2658472

862827289F, DCB4C FEF +486E5C9C F277 BC82C. (CB$B59FDC92B

3FBC9 659A 8E23C7F 6C49C 3 BD5EA9C9 C7CEFDC 7 92EA42 CB8C

62E5C9E, 72 F 62E "9F6 28E5F3C7F" 3 DC2E234.

2. &67325732 56522F2782 7645CE8 5 CEA9B7C9F37F

659F 2F7C4232 892F289F (3 29EFF 29 6B29242EC RIP,

3F8E2 92EA42 2F7 659A 3 4C5 9245 7CD7C7F).

123456 4. 768926ABC5 D5EF

260

3. 6558C68 6C4923 3 822939893FF  EF63 3F#8678.

1932 CF7F89BC92B 29 82DC9A 7842EA42 2B 8 BCDEF7F

6BF2BF99CF. !C49 62C98 3 2BA 7C 296BC345 62 BD5EA9C9C

C7CEFDC 9F6C 6B29242EC. %E 6C4923, 53893F9EA7 4 3B77A

DCB4C, 3E98 2BA 8 2E 3824F 6BF2BF992.

4. 278 8E68 6553. *9859893F +92 32D27289F,

7C6BFB 3 6B29242E RIP, 29 6BF389F 4 6B3C95 6C4923

DE25$E77F42, 4292B 59 6BC3C9A 9CEF  "3492B-EF7C" 8

54CDC772 CE2 EF72 659 29 8322 !. 32 38 6289F.

5. 3C6782 856F7343 E676F6 2# 6558C63568,

82F777F 7 7C6B5, C BD 74292B5 9BC7DF975 89A.

 2EF OSI 7C 28723 CE2BF9C LSA 26BE7 6B29242E

CB$B59FDC FF 89322 5B237:

• "24277C 8F89C – 9BC7DF97C 8F89C", ES-IS (End System-to-

Intermediate System);

• "9BC7DF97C 8F89C – 9BC7DF97C 8F89C", IS-IS (Intermediate

System-to-Intermediate System).

!B29242E 9F6C LSA, 3 29EFF 29 DVA, 628EC9 F7"2BC F 2

CB$B59C 92EA42 E 292BC7F FD77F 3 832F 893

82F77F.

%B52 29EFF DC4EC98 3 32D27289F 32BC 4C7CEC 6BCF

FD 7842EA4F 32D27 8 592 2722 FD 6CBC9B23 CB$B59FDC FF,

DCC3C22 62EAD23C9E:

• DCB4F FEF 842B289F 6BCF C77;

• 6B2658472 862827289F FEF 6B2FD32F9EA7289F;

• 7C7289F.

!33876 CB$B59FDC92B23 62 8BC377F 8 289CF:

• 3824C D26C87289A C77;

• 3824C 7C7289A 89 DC 89 CEA9B7C9F37 659;

• +""49F372 BC86BE7F 7CB5D4F 62 4C7CEC 83DF DC 89

32BC 7CFE5$F CB$B5923 E 6BCF C77;

• 3EA$C F4289A DC 8#9 32BC CB$B59C 3 822939893FF 8

9BF42, 5F93C 2 892F289A, 6B2658475 862827289A 4C7CE23

83DF F 9..;

• CBC79FB23C77C DCF9C 29 "$FB2423C9EA722 $92BC";

• 32D27289A 2F77F 89 8 BCD72 EF72 6C4923.

1236E8 CB$B59FDC92B23:

• 37289 8BC37F9EA72 2EA$5 DCB45 3 6BC5 6C4923;

• 2E 8E27 3 589C7234 F 427"F5BFB23C7FF,  289;

• 6BF 6B7FF 426A9BC FD 272 6289F 3 B55

9B598 FD7F9A 2 8932 CB8;

• 2E 2B2F,  289, 9C4 4C4 9B598 2E 27

6B2 882B, 2EA$F 2 26BC9F372 6C9F, 2E 2B22