half duplex or full duplex configuration for MDS9124 management port?

Answered Question

Hi All,


Is it possible to set the management port of mds 9124 about half or full duplex configuration?


I want to correct following error:


Jun 13 10:27:20.799 GMT: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered on GigabitEthernet4/18 (not half duplex), with mtw1pc02bs0(FOX1450G8QG) mgmt0 (half duplex).


it seems mds 9124 set his port to half duplex.


Dennis

Correct Answer by Vincent Jamart about 5 years 11 months ago

Hi Dennis,


You might have hit bug CSCte76880 (http://tools.cisco.com/Support/BugToolKit/search/getBugDetails.do?method=fetchBugDetails&bugId=CSCte76880)


Configure both interfaces to auto duplex achieve a full duplex connection as a workaround, or upgrade to 4.2(7e) or 5.0(4d) where the fix has been integrated.


Best Regards,

Vincent

Correct Answer by deschamps about 5 years 11 months ago

You may want to check this thread :


https://supportforums.cisco.com/thread/2059109


Else try the following :


switch# config terminal

switch(config)#

switch(config)# interface mgmt0

switch(config-if)# switchport duplex full


switch(config)# exit

switch#

switch# copy running-config startup-config


Also, I would suggest you check what the counterpart of your MDS switch mgmt interface is set to (i.e. is it set to autoneg, then try setting it to fix speed/duplex or the other way around).

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Correct Answer
deschamps Tue, 06/14/2011 - 04:15
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You may want to check this thread :


https://supportforums.cisco.com/thread/2059109


Else try the following :


switch# config terminal

switch(config)#

switch(config)# interface mgmt0

switch(config-if)# switchport duplex full


switch(config)# exit

switch#

switch# copy running-config startup-config


Also, I would suggest you check what the counterpart of your MDS switch mgmt interface is set to (i.e. is it set to autoneg, then try setting it to fix speed/duplex or the other way around).

Kris Vandecruys Thu, 06/16/2011 - 04:32
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  • Cisco Employee,

Hi Dennis,


is there a reason you're not using auto detect?

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