Folks,I have a 2 Cisco switches with 40 Gig optics in each.  One side sees light on all 4 channels and everything looks good.  The other side does not see light on 2 of the 4 channels.  Where to start troubleshooting? I have tried different ports on ...

Folks,I have a transparent traffic shaper appliance I need to introduce into a network.  Attached is a diagram.  How I control trafficflow to come in port 2 and go through port 15 (the in of the shaper) and onto the router? The reason this is happeni...

We recently replaced a Cisco 9396 with a Cisco 93180YC-EX switch.  I copied much of the old config over including the SNMP.  Our management software will not poll the new 93180.  Nothing has changed except the switch swap.  Before I go down the road ...

We have a Cisco 93180YC-EX.SoftwareBIOS: version 07.56NXOS: version 7.0(3)I4(3) I am trying to enable sflow.  When I do feature sflow it is not an option.  Do I need to upgrade IOS?  When I do a show feature it lists sflow as disabled. 

We recently upgraded from a 9396 to a 93180. Most of our ports are getting output errors.  The following is some info from one port.   1/9MTU 1500 bytes, BW 10000000 Kbit, DLY 10 usecreliability 255/255, txload 15/255, rxload 1/255Encapsulation ARPA,...