687983_a1d9b_aliev_t_i_seti_evm_i_telekommunikacii

123456 4. 768926ABC5 D5EF

29EF F 29 9BC78EFB5- F 28923, 4292B 6B 2 BCD5 9 "4273 B9" 2 72 2 9F6C 3 B5 2, F74C685EFB5 F 289 34EC3C 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.

…

…

(1

…

(2
	…
FDDI	(3

(4

	FDDI-E6 5
)FDDI	FDDI

Ethernet-E6 5

4.5

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

251

123456 4. 768926ABC5 D5EF

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.

C)

	1	2
/		(1	3
		4

(2	(3

1

(5

2

1

(8

3

(4
(6	(7

)				654$2 56 * &2 5
	/4	/2	…	1,(1,3	1,(5,2	1,(8,3	…
				BCD E DC6F8F 2 CB$B59

4.6

(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.

C)

)

'

	S1		S5		. !A
					1
	S2	'+	S6	.!A
					…
	S3		S7	,-
	S4		S8		N
					4.7

252

123456 4. 768926ABC5 D5EF

!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 F8 6 65 5 8C6 88 (") CF6 4
																									/4	/0	/ 2	(
																									1	1	S1	0
																									2	2	S2	0
													S2
							S1
																									3	2	S2	2
																									3	6	S3	1
								S4
													S3
																									5	5	S4	0
																									6	6	S3	0
																									7	2	S2	1
																									default	6	S3	-
																													4.8

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

253

123456 4. 768926ABC5 D5EF

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.

	'2#+#% 32 #
! BF" BF 7	3 CE 772 2 28956C	(C F89BCEA7

4.9

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;

254

123456 4. 768926ABC5 D5EF

• 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 픥 * 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

255

123456 4. 768926ABC5 D5EF

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.

-# 6 4 2( "5 * (2#+#% 32

759B 77 CB$B59FDC FF

IGP (Interior Gateway Protocol)

7$7 CB$B59FDC FF

EGP (Exterior Gateway Protocol)

RIP

OSPF

IS-IS

ES-IS

BGP (Border Gateway Protocol)

4.11

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.

256

123456 4. 768926ABC5 D5EF

373 76 8 2 6 ( )

IGP

IGP

IGP

IGP

IGP

IGP

EGP

EGP

EGP

EGP

4.12

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)

RIP (Routing Information Proto8ol)

LSA (Link-State Algorithm)

OSPF (Open Shortest Path First)

4.13

257

123456 4. 768926ABC5 D5EF

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.

258

123456 4. 768926ABC5 D5EF

!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).

259

123456 4. 768926ABC5 D5EF

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

260