I know nothing about PIX Firewalls but the type of connector should not be causing CRC errors. As you say that the CRC errors are only occuring at the PIX when you use the LC connector then I would check to make sure you have the same type of SFPs at both ends and also that the fibre patch leads are the same type.I would check to make sure that the optical cables are the correct type for the interface ie use Multimode Fibres to connect to SX GBICs/SFPs and Singlemode Fibres for LX GBICs/SFPs.
Another thing worth checking is that the optical power that is being received is correct, if its to high or low that could cause errors, I would also check to make sure that the optical face is not dirty or damaged, try replacing the fibre with a spare, it is also possible that you have a faulty SFP so try swapping that out for a known good one as well.
I'm not sure if you can do this but swap the fibre round by moving the TX to the RX at both ends, do the CRC errors move?
Also check that the speed and duplex settings are the same at both ends.
This is actually a pretty cool feature, i didn't even know it existed until I was looking for a solution to advertise a subnet (prefix in BGP talk), only if a certain condition existed. This is exactly what conditional advertisements does
j ai une question j ai achete un routeur cisco 887VA-k9 , je le configuré avec la configuration ci- dessous
si je le lier avec mon pc portable sur l un de ses ports directement ça marche toute est bien ( la connexion internet + m...
Attached policy provides CLI access to the Cisco 4G router over text messaging. Two files are in the attached .tar file:
2. PDF with instructions on how to load and use the .tcl file.