Optics and Optical Networking

I have some sysadmins trying to add Dell storage to a Cisco 9k. They are seeing a lot of latency in storage operations. Dell insists that the problem lies in needing flow control enabled. My question is more general. If the client to the storage is s...

Having an issue with TNCE cards coming up in a new M6 chassis that is being used as a subtended shelf.  Is there any issue with the TNCE cards being used as opposed to using a TSC card?

Hi Everyone,   At my customer we faced a problem with back reflection at RAMAN CTP. Where the back reflection was -28.6dBm. It´s work properly for a long time, although We recommend Them to check the reflection. At someday it shutdown and they have d...

Hi everyone. I have configured manual Raman CTP card for DWDM node with "DLP-G690 Configure the Raman Pump Using Manual Day-0 Installation " method but none sucess. Both Automatic Raman Pump Amplification (ARPC)  method and Raman Pump manual configur...

Hi Guys , I need some assistance regarding CTC, we got one project in which the traffic is already flowing with two networks reflecting redundancy of DWDM. Now the issue is that on CTC, we can only see one network with all proper configurations. But ...

I currently have multiple SG200-26P switches and am in need of the correct equipment list to interconnect these with fiber.  Any help would be appreciated.

I have configured a 100G-LC-C card paired with a 10X10G-LC card in MXP mode.  The one node is in-service but the other side has an OTUK-LOF alarm/LOM condition as well.  I've changed fibre patch cords from the odd shelf to the card but my levels seem...

Hi Friends, anybody knows how to show fiber status in router 891? if we use this command it shows us only S/N and other values but not Fiber RX and TX  sh controllers gigabitethernet 8 | beg PHY   PHY Registers ------------- Register 0x00: 1000 ...

Cisco CTM 8.5 supported NE table. Can NE version 03.41-002K-08.22, 04.00-003C-08.05, 04.10-003F-20.23 be upgraded to a higher version without a hardware upgrade to the node. In CTM I am receiving a Inservice Unreachable. Is there anything that I can ...

Was wondering if anybody out there would be able to help me out with an error that we are getting on our Cisco 15454 platform. We are trying to manually build a circuit with protection but everytime we do it errors out with the error "EID-2330 An err...