Switching

Good day All, i have a situation where our network has a collapsed core comprising of two Cisco Catalyst 4506E switches in a stacked configuration. We primary use wireless network access to access LAN and internet. We have 1bout 62 Ruckus R300,R310 o...

I want to upgrade the switch 4010 with file .bin, but in order to avoid any problem during switch boot up I used the boot system command with 2 IOS, first the newest one, and the second IOS current one. The switch booted and come back with the older ...

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...

I have an IE-2000U-4TS-G that is only showing 134MB of the Cisco 1GB SD Card.Switch#dirDirectory of flash:/No files in directory134086656 bytes total (134078464 bytes free)Switch#sh plat sdflashSD Flash Manufacturer : SMART MODULAR (ID=27h)Size : 972...

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/...

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...

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...

Hi everyone, I have a weird issue going on in our data center.  I recently upgraded the network module on a cisco switch from 4|1gb ports to 2|1 GB  2|10Gb.  The 2|1gb are shut.  I did create an etherchannel/portchannel to the aggregation cores switc...

Experts,With port security enable, how can we allow a device to move around and connect to different ports on the same switch without locking up the port? We have devices that need to be able to move around. As we know with port security, once MAC is...

Hello Experts,  I am facing an multicast issue.We have Inter VRF PIM DENSE mode configure and we have Cisco 6500 series switches  Topology is like  Sender >>> Access switch 01 >>> Core >>>> Access Switch 02 >>>> receiver.  Below is the issue.  1. Whe...

With the latest version of IOS (IOS XE Cupertino 17.8.x) there is an "installation restriction for SFP-10G-T-X module on C9500-24Y4C and C9500-48Y4C— Only eight SFP-10G-T-X modules are supported at a time."  Is this a limitation that may be overcome ...

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...

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...

Experts,With port security enable, how can we allow a device to move around and connect to different ports on the same switch without locking up the port? We have devices that need to be able to move around. As we know with port security, once MAC is...