You've got a GLC-LH-SM(D) installed and you've enabled "speed nonegotiate"? Take this out.
Next, you've got "switchport nonegotiate" and you've got "switchport mode access"? You've literally disabled DTP and specified that the link is-and-will-be an access port. What is the configuration on the other end?
Current configuration : 4536 bytes ! ! Last configuration change at 08:42:06 UTC Fri Oct 3 2014 ! NVRAM config last updated at 09:05:00 UTC Mon Aug 25 2014 by cisco ! version 12.2 no service pad service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption !
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...