EXT3

19

any

any

yes

yes

disabled

EXT4

20

any

any

yes

yes

down

EXT5

21

1000

full

no

no

up

EXT6

22

1000

full

no

no

up

>> GbESM_1 - Information#

/i/port

 

 

 

Alias

Port

Tag FAST PVID

NAME

 

VLAN(s)

--------- --- ---- ---- ------------- -----------------------

INT1

1

y

n

20

INT1

1

4095

20

 

INT2

2

y

n

1

INT2

1

4095

10

20

INT3

3

y

n

10

INT3

1

4095

10

 

INT4

4

y

n

99

INT4

1

4095

99

 

INT5

5

y

n

1

INT5

1

4095

 

 

INT6

6

y

n

1

INT6

1

4095

 

 

INT7

7

y

n

1

INT7

1

4095

 

 

INT8

8

y

n

1

INT8

1

4095

 

 

INT9

9

y

n

1

INT9

1

4095

 

 

INT10

10

y

n

1

INT10

1

4095

 

 

INT11

11

y

n

1

INT11

1

4095

 

 

INT12

12

y

n

1

INT12

1

4095

 

 

INT13

13

y

n

1

INT13

1

4095

 

 

INT14

14

y

n

1

INT14

1

4095

 

 

MGT1

15

y

n

4095

MGT1

4095

 

 

 

MGT2

16

y

n

4095

MGT2

4095

 

 

 

EXT1

17

y

n

5

EXT1

5

10

20

99

EXT2

18

y

n

5

EXT2

5

10

20

99

EXT3

19

n

n

1

EXT3

1

 

 

 

EXT4

20

n

n

1

EXT4

1

 

 

 

EXT5

21

y

n

5

EXT5

5

10

20

99

EXT6

22

y

n

5

EXT6

5

10

20

99

 

 

 

 

 

 

 

 

 

 

The info/l2/stg command shows the Spanning Tree status for every active Spanning Tree Group. Verify that ports EXT5-6 of GbESM1 and EXT1-2 of GbESM2 are in BLOCKING status for the VLANs where Core1 is the Root Bridge, as shown in Example 7-12.Accordingly ports EXT1-2 of GbESM1 and EXT5-6 of GbESM2 should be in BLOCKING status for the VLANs where Core2 is the Root Bridge.

Example 7-12 Verifying the Spanning Tree status

>> GbESM_1 - Information# /i/l2/stg

------------------------------------------------------------------

Spanning Tree Group 1: Off (STP/PVST),

FDB aging timer 300

 

VLANs:

1

 

 

 

 

 

Port

Priority

Cost

State

 

Designated Bridge

Des Port

----

--------

----

----------

----------------------

--------

INT1

0

0

FORWARDING

*

 

 

INT2

0

0

FORWARDING

*

 

 

INT3

0

0

FORWARDING

*

 

 

INT4

0

0

FORWARDING

*

 

 

INT5

0

0

FORWARDING

*

 

 

INT6

0

0

FORWARDING

*

 

 

INT7

0

0

FORWARDING

*

 

 

INT8

0

0

DISABLED

*

 

 

INT9

0

0

DISABLED

*

 

 

INT10

0

0

DISABLED

*

 

 

INT11

0

0

DISABLED

*

 

 

INT12

0

0

DISABLED

*

 

 

INT13

0

0

DISABLED

*

 

 

Chapter 7. Nortel Networks L2/3 GbESM configuration and network integration 87

Page 101
Image 101
IBM L2/3 manual Example 7-12 Verifying the Spanning Tree status