Assuming you have installed either C3KX-NM-1G (Four GbE port network module) or C3KX-NM-10G (Two 10GbE SFP+ ports network module with four physical ports with two SFP+ and two regular SFP ports) you should be able to use those transceivers.
The GLC-SX-MM is explicitly noted as supported on the 3750-X data sheet and is not footnoted to not work in the SFP+ slots.
[toc:faq]The ProblemOn traditional switches whenever we have a trunk
interface we use the VLAN tag to demultiplex the VLANs. The switch needs
to determine which MAC Address table to look in for a forwarding
decision. To do this we require the switch to do...
[toc:faq]Introduction:Netdr is a tool available on a RSP720, Sup720 or
Sup32 that allows one to capture packets on the RP or SP inband. The
netdr command can be used to capture both Tx and Rx packets in the
software switching path. This is not a substitut...
IntroductionOSPF, being a link-state protocol, allows for every router
in the network to know of every link and OSPF speaker in the entire
network. From this picture each router independently runs the Shortest
Path First (SPF) algorithm to determine the b...