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Catalyst 3550 + Hub 3com PS-40

Hi,

i have some trubles with many PS-Hub 40 3com, when it is connect to catalyst 3550, the interface go to shutdown, this the log message in the cat:

4d16h: %ETHCNTR-3-HALF_DUX_COLISION_EXCEED_THRESHOLD: Collision at FastEthernet

0/18 exceed threshold. Consider as loop-back.

4d16h: %ETHCNTR-3-LOOP_BACK_DETECTED: Loop-back detected on FastEthernet0/18. Th

e port is forced to linkdown.

4d16h: %LINK-5-CHANGED: Interface FastEthernet0/18, changed state to administrat

ively down

4d16h: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/18, changed

state to down

the same trouble is with catalyst 2950 and PS-Hub 40 3com

thanks..

2 REPLIES
Bronze

Re: Catalyst 3550 + Hub 3com PS-40

what version of code is the 3550 running ?

Bronze

Re: Catalyst 3550 + Hub 3com PS-40

if you are running code before 12.1(13)EA1 you could be running into bug ID CSCdy31705. If that's the case, then upgrade to the latest 3550/2950 release.

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