GLC-BX-D & GLC-BX-U SFP and 3750

[f.pau]

Dear All,

I had a problem with two of our Catalyst3750.

I'm trying to configure a Port-Channel using 2 couple of GLC-BX-D & GLC-BX-U SFPs with a Single Fibre pair.

this is my network layout:

SIDE A SIDE B

GLC-BX-D port1 <----> GLC-BX-U port1

GLC-BX-D port2 <----> GLC-BX-U port2

the link didn't come up

I tried to hard loop SIDE A and SIDE B and I did not see the loop as well.

Do you think it could be due to wrong layout?

I mean, must the layout be:

SIDE A SIDE B

GLC-BX-U port1 <----> GLC-BX-D port1

GLC-BX-D port2 <----> GLC-BX-U port2

thx in advance everybody

francesco

[Christopher Stock]

Did you ever find a solution to this?

We have the same issue between our ASR and our 3750x stack. Odd the ASR says the interface is up but the 3750 says its not connected.