Optics and Optical Networking

Does the Cisco X2-10GB-SR and Cisco X2-10GB-LR modules installed into a WS-X6708-10G-3C module installed in a Cisco 6504 support both 10Gb and 1Gb speeds?

I was told by a site, due to OSHA - that I will need to provide my own Optical Laser safe glasses. I have no clue what to buy, due to the latter, I am looking for recommendations. Will be working with Single-Mode fiber and some runs are really long -...

Hi,We’ve been using for a long time transceivers (40G MPO) from an aftermarket vendor (fs.com) for our CISCO 3132Q-X usually they work well, but lately we have been seeing more failures than usual (suddenly a perfectly working transceiver starts havi...

I have a Cisco 9300 SFP port GLC-LH-SMD-CURV 1000Base-LH-SFP SMF plugged in and on the other end I have an SPF 10GBase-ZR SFP plugged in , do these have to match on both ends exactly?

Scenario :1.1). L3 : Switch WS-C6509-V-E1.2). Module : Mod  Ports   Card Type Model                        1       8        CEF720 8 port 10GE with DFC WS-X6708-10GE 1.3). SFP : CISCO X2-10GB-LX41.4). Core_Sw# sh int t1/1/1            TenGigabitEther...

I'm looking at documentation from Cisco's site and I see that the WS-C3750G-12S-S switch supports GLC-GE-100FX as an SFP transceiver - which is for MMF.Apparently, a site is running SMF everywhere but connecting things to this switch. I see a few dif...

Hello,In Cisco ASR 9000 documentation, I see A99-48X10GE-1G-TR card, but there is no mentioning of A99-24x10GE-1G-TR.Cisco ASR 9000 Series 24-Port and 48-Port Dual-Rate 10GE/1GE Line Card Data Sheet - CiscoI also can't find it in the Cisco optics com...

There is a single mode optical fiber cable in our datacenter going from a Cisco N5K to another N5K across different racks. The link appears to be dead and I'm hoping to fix it, but I have little to no experience with fiber.The LED light of the SFP+ p...

Hi,We’ve been using for a long time transceivers (40G MPO) from an aftermarket vendor (fs.com) for our CISCO 3132Q-X usually they work well, but lately we have been seeing more failures than usual (suddenly a perfectly working transceiver starts havi...

Issue:Dec 20 12:06:35.061: %SFF8472-3-THRESHOLD_VIOLATION: Twe1/0/1: Temperature high alarm; Operating value: 28.2 C, Threshold value: 0.0 C.Dec 20 12:16:35.169: %SFF8472-3-THRESHOLD_VIOLATION: Twe1/0/1: Rx power high alarm; Operating value: -7.6 dBm...

Hey Guys, I have set up my Meraki switches in my server room to test my current environment and everything works flawlessly. When I hook up my Meraki switches to my existing environment one works and one doesn't. The only difference I can find is the...

>> Getting below logs from 9500 stack switch .>> Seems all the traffic are going out this link. please find the below output>> it will problem in further .Port Lane (dBm) (dBm) (dBm) (dBm) (dBm)--------- ---- --------------- ---------- --------- ----...

Regarding vulnerability CVE-2021-44228, where it can be checked whether CTC Launcher 10.6.2 softtware and ONS 15454 shelf assemblies are affected by this vulnerability? Thanks

Not sure if I am using the correct process; however I have a question. Is it possible to hook a laptop to an ML100T-12 and break in just like when you forget a router password? I have passwords from maybe 10 years back....which of course are not work...