Optics and Optical Networking

Resolved! C9500: Links wont come up with QSFP 100G LR4

Hi Community! we have 2x C9500-48Y4C directly connected with QSFP 100G LR4.One of the C9500 is running IOS-XE 16.9.1 (Hostname: B-02) and the other 17.3.3 (Hostname B-01).AOC Cables working perfeclty. The links between the devices won't come up sinc...

100G Single Mode LC SFP

Hi Everyone,TMG Matrix contains more SFPs comparing to the ones are listed on CCW? shall I trust TMG Matrix?

Resolved! SFP28 10G/25G-LR-S to SFP+ 10G-LR-S not working

I am getting no link between a C9500-48Y4C and C3650 (via trunk) when I attempt to use two different optics at either end. Can anyone provide insight on anything that I am missing, because at this point I imagine there may be programming issues on th...

Resolved! Can i get a special switch operating under 1% humidity?

Are there Cisco switches that can operate in special environments?In particular, i'm looking for a switch that can operate at less than 1% humidity.

cisco 2960X not recognizing SP-10G-SR modules

I have a WS-C2960X-48LPD-L with two 1 GB uplinks/downlinks conected to Cisco two 4500 backbone devices. Recently we installed Om3 fiber over all building and we tried to install SFP-10G-SR modules on the tengigabit ports. One of them (1/0/1) works t...

CBS350 SFP

I have a fiber connection between a Cisco SBS350 switch and a Netgear. Everything was working fine for several weeks until I decided to upgrade the Cisco firmware. After the upgrade the fiber port is showing "operationally down". I rolled back the fi...

CISCO SFP Module Transceiver GLC-FE-100FX

Hi,The end device is a Relay which has fibre interface specification as 100MB ST Multimode 1310nm. We want to connect this relay device to Cisco Switch IE-4010-16S12P to one of the SFP port. As such we intend to use Cisco SFP adaptor GLC-FE-100FX whi...

Newbie fiber optic network question..

The distance between data center and office is around 140M, so we're planning connect two site with fiber optic.The switch we're going to purchase in data center is cisco 2960x, and in office is D-Link DGS-1210-20. Linking with LC multimode cable.Her...

Online optical lab - practice CLI config

Hi all, Is it possible to emulate the NCS equipment such as 1000, 2000, and 4000 series. The 4016 has Cisco XR software so it's similar to the router software but is it possible to build a lab and create OTU/OTN circuits rather than just OSPF and rou...

Resolved! Dark Fiber design question

I appreciate your input, I have 4 sites that are going to be connecting with dark fiber -see attached diagram- all 6500's with 10GB xenpaks, my question is: should all interfaces on the 6500'S be on the same network or should I have /30 networks betw...

Cisco SFP Question

Good evening folks, question for you:Am I crazy, or does Cisco not have a 10G LC mm SFP that that can also be adjusted to handle 1Gb/100Mb/etc. ?We have a large project at work that is fully 10G LC fiber; however, we want the capability to connect to...

Wrong SFP modules ?

Hi !I'm a total fiber noob. A company deployed new fibers but it seems that our current SFP modules aren't compatible. Switches : C2960x & WS-3850-12S-SCurrent Cisco SFP modules : GLC-SX-MM & GLC-SX-MMDNew fiber cables : 00888 m GIGAMEDIA 6FO OM4 50...

GPON and IP video intercom

Hello, I have some doubt about the compatibility from GPON system and IP video intercom . The IP video intercom use the multicast protocol to communicate from central unit to house unit, and vice versa, I know that the GPON system works with multicas...

Cisco SFP Gigabit Module - 1000Base-LX

Prezados membros da comunidade.Alguém saberia informa qual é o MTBF (Mean Time Between Failures) do componente SPF Gigabit - 1000Base-LX modelo GLC-LH-SMD.Atenciosamente.Marcio Durig

Cisco QSFP 40/100 SRBD transceiver compatibility check with Mellanox ConnectX5 100Gb Adapter (MCX516A-CDAT)

Hello,I am new on networking and I need help from community if possible.I have a pair of Cisco QSFP 40/100 SRBD bi-directional transceivers that installed on Mellanox ConnectX5 100Gb Adapters, connected them via an OM5 LC type 1M (or 3M) fibre cable...

Optics and Optical Networking

Forum Posts

Resolved! C9500: Links wont come up with QSFP 100G LR4

100G Single Mode LC SFP

Resolved! SFP28 10G/25G-LR-S to SFP+ 10G-LR-S not working

Resolved! Can i get a special switch operating under 1% humidity?

cisco 2960X not recognizing SP-10G-SR modules

CBS350 SFP

CISCO SFP Module Transceiver GLC-FE-100FX

Newbie fiber optic network question..

Online optical lab - practice CLI config

Resolved! Dark Fiber design question

Cisco SFP Question

Wrong SFP modules ?

GPON and IP video intercom

Cisco SFP Gigabit Module - 1000Base-LX

Cisco QSFP 40/100 SRBD transceiver compatibility check with Mellanox ConnectX5 100Gb Adapter (MCX516A-CDAT)

Get ready! Great things are coming to Cisco Community

Have your wish for humanity broadcast into space by George Takei!

Heat Dissipation of Cisco NCS 4202

FN - 72192 related to possible QSFP 40G-LR4 failures

No seeing transceiver information on N9K-C9372TX

Keep losing Neighborship with next IE switch

FN - 72441 : concerning GLC-GE-100FX V03 and nexus compatibility

GLC-SX-MMD transmission distance 1000m

SFP-CH-OC3STM1-I Information and Matrix compatibility

NCS 540 DAC compatibility

Cisco 9606R and FEC SFPs

10GBase-SR to 10GBase-SR-S