2 / ИСС / Технологии, применяемые при построении сетей на основе коммутаторов D-Link_new Basic_SMM

• IEEE 802.1s.

•MSTP STP

802.1q VLAN. VLAN STP, ,

.

• MSTP

.

• () MSTP

RSTP .

MSTP

3 , .

2 VLAN VID 10 20.

1 VLAN 10 20

, VLAN 10 20

.

,

VLAN. STP.

3	STP,
1 2	.

VLAN 20 .

, VLAN 10 20 , STP

.

MSTP	3:
2	Root
	VLAN 10

1

3

1

20	2
VLAN

20
VLAN			2
			1
3
		3
		1
VLAN 10
2
	,
STP
	3
				2
				1
1

MSTP

•802.1S :

• VLAN 10 MSTP 1, VLAN 20

2.

•.. STP.

• 3 MSTP 2

1 2.

• 802.1D STP,

VLAN 10.

• VLAN 20 .

•, MSTP 2

2

1 3 VLAN 20.

• , : VLAN

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MSTP

1

2	VLAN 10, MSTP Instance 1

1	VLAN 20, MSTP Instance 2

3:		Instance1
		Root

3

4

	2:	Instance2
		Root

	20
	VLAN
		4
	10
	VLAN
		3
			,
2
			2
MSTP
		2
			,
1
			3
MSTP
		1

2
1
3
1
		20
		VLAN
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		1
		10
		VLAN
		2
		1

1. STP .

2. STP MSTP. ( RSTP)

3. MSTP .

4. VLAN.

5. STP ,

. 32768. ,

. , MAC,

.

6., VLAN,

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7.

.

PC21 PC31

192.168.1.21/24 192.168.1.31/24

v2 v3

DES3324SR_A

1

2

13

14

1			v2 13			v3
	2			14

DES3324SR_B

	:	PC22					PC32
		192.168.1.22/24					192.168.1.32/24

VLAN .

VLAN.

, .

DES3324SR_A

config vlan default delete 1-20

create vlan v2 tag 2

config vlan v2 add untagged 1-12 create vlan v3 tag 3

config vlan v3 add untagged 13-20

enable stp

config stp version mstp

config stp mst_config_id name abc config stp mst_config_id revision_level 1

create stp instance_id 2

config stp instance_id 2 add_vlan 2 create stp instance_id 3

config stp instance_id 3 add_vlan 3

## STP , A .

# 4096*n, = 32768

config stp priority 4096 instance_id 0 config stp priority 4096 instance_id 2 config stp priority 4096 instance_id 3

##, 1

## v2, 13 - v3.

## = 16*n, = 128

config stp mst_ports 1 instance_id 2 priority 96 config stp mst_ports 13 instance_id 3 priority 96 config stp ports 3-12 edge true

config stp ports 15-20 edge true

DES3324SR_B

config vlan default delete 1-20

create vlan v2 tag 2

config vlan v2 add untagged 1-12 create vlan v3 tag 3

config vlan v3 add untagged 13-20

enable stp

config stp version mstp

config stp mst_config_id name abc config stp mst_config_id revision_level 1

create stp instance_id 2

config stp instance_id 2 add_vlan 2

create stp instance_id 3

config stp instance_id 3 add_vlan 3

config stp ports 3-12 edge true config stp ports 15-20 edge true

PC21

PC31

192.168.1.21/24

192.168.1.31/24

v2

v3

DGS3324SR_A

1-12

13-20

23

24

T

T

21-24

13-20

V2 V3 tagged.

T

T

1-12 v2

v3

23

24

DGS3324SR_B

PC31									PC32
192.168.1.22/24									192.168.1.32/24

: .

V2 V3		RSTP.	V2 -
23,	V3 – 24		.
	, V2	V3
	.