Discuss Catalyst brand switches with peers and experts.
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Have anyone tested getting GLC-GE-100FX working on NM-4G in a Cat 9200? Have tried with ver 16.12.4 and 17.3.4b. In both cases show inventory looks a bit strange: No PID is read from the SFPswitch#show inventoryNAME: "c92xx Stack", DESCR: "c92xx Stac...

sokarlsson by Beginner
  • 14 replies
  • 0 Helpful votes

I have a 9500 12Q with nothing but 40GB QSFP ports running 17.3.4.  I've purchased a breakout cable to take the connection to 4x 10GB connections and have been attempting to follow the directions in the following linkhttps://www.cisco.com/c/en/us/td/...

markmcg87 by Beginner
  • 5 replies
  • 0 Helpful votes

Hi experts!I am looking to free up space on some flash for some 3750-X switch stacks with very old IOS on them.  They are in production.Is it okay to remove the .tar file from the sub-directory of each flash?For example I have a stack with 12.55.se5 ...

Paddy S by Beginner
  • 8 replies
  • 0 Helpful votes

After installing a GLC-GE-100FX SFP module in a new switch running 12.2(44)SE, I notice that the Gi0/1 interface no longer allows changing duplex. I've not found any information online to describe this as a limitation. Can anyone explain this?Here ar...

triaton by Beginner
  • 6 replies
  • 0 Helpful votes

Hi folks,we have a 9300 switch, every port ist configured to use port security with one sticky MAC-address and everything works fine. Now we like to do some checkings in our network using a test tool from FLUKE. As soon as I connect and start testing...

drehstrom by Beginner
  • 5 replies
  • 0 Helpful votes

I ordered a L3 Catalyst 3550 switch from ebay, plugged it in and was greated with these errorsIOS Version 12.1(14)EA1A00:32:48: %ILPOWER-3-CONTROLLER_ERR: Controller error, Controller number 5: accessing failed00:32:51: ***Err: I2C_do_transaction fai...

sahr by Beginner
  • 3 replies
  • 0 Helpful votes

Hi All ,We have two Cisco 4503E core switches in our network and VSS is configured between them but it isn't work properly or something is wrong in the connection/configuration. internet and vpn are not stable for some users (there are a lot of packe...