192.168.2.x/24 |
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192.168.3.x/24 |
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Gw=192.168.2.254 |
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Gw=192.168.3.254 |
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v2 |
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v3 |
L3 DGS-3324SR |
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1-12 |
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13-20 |
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L2 DES3526_A |
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25,26 |
L2 DES3526_B |
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v2 |
v3 |
v2 |
v3 |
T |
T |
25,26 |
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T |
T |
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T |
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1-8 |
9-24 |
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1-8 |
9-24 |
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192.168.2.x/24 |
192.168.3.x/24 |
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192.168.2.x/24 |
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192.168.3.x/24 |
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192.168.2.254 |
192.168.3.254 |
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192.168.2.254 |
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192.168.3.254 |
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: |
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L3, |
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MSTP |
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L2. |
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, |
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. |
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LoopBack Detection
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« |
» |
: |
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STP LoopBack Detection |
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ETTH |
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, |
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LoopBack Detection |
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, |
, |
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« |
» STP |
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BPDU. |
LoopBack Detection |
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, |
, |
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. |
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STP LoopBack Detection (




)
•


: 
















DES-3526 (edge ports)
























.
•

















:
1)enable stp (










RSTP)
2)config stp ports 1-24 state enable edge true lbd enable
3) config stp lbd_recover_timer 60 (lbd_recover_timer – 

, 


























BPDU. 



















. 




















, 













0)
« |
» |
: |
LoopBack Detection |
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ETTH |
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, |
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LoopBack Detection |
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STP |
, |
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. |
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. |
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Port-Based VLAN-Based. |
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LoopBack Detection (




)
•

: 













DES-3526 




















.
1-




– 




























(

Port-Based):
•















:
1)enable loopdetect
2)config loopdetect recover_timer 60 (lbd_recover_timer – 

, 




. |
. |
, |
0) |
3) config loopdetect interval 10 ( |
|
ECTP (Ethernet Configuration Testing Ptotocol)) |
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4) config loopdetect mode port-based ( |
. |
) |
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5) config loopdetect ports 1-26 state enabled |
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LoopBack Detection (




)
•

: 













DES-3526 




















.
2-



– 














VLAN-

















VLAN-
(

Port-Based):
•















:
1)enable loopdetect
2)config loopdetect recover_timer 60 (lbd_recover_timer – 

, 




. |
. |
, |
0) |
3) config loopdetect interval 10 ( |
|
ECTP (Ethernet Configuration Testing Ptotocol)) |
|
4) config loopdetect mode vlan-based ( |
. |
VLAN |
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VLAN- ) |
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5) config loopdetect ports 1-26 state enabled |
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STP/RSTP/MSTP 














DGS3324SR_A






STP 
, 






A 




.











, 



23 


v2, 

24 - 
v3.




DGS-3324SR_B








A
B 




DGS3324SR L3




MSTP 




DES3526_A 





MSTP