Switching

Hello,We cannot run C3KX-NM-10G at 1G mode for all 4 ports.3750x recognize(can work) only with two 1G GLC-LH-SM SFP modules in the same time, what ever port are used G1 /G2 or G3/G4.

cisco switch 2960 SI is restarting after some hour continuously. what can be problem switch is on UPS. switch light syst,stat are stable

Hi all,I have a stack of 2 x 3850's running 3.7.1 and want to remotely upgrade them to 3.7.2.  Most servers on the stack are dual homed to both switches so it is fairly safe for me to do one switch at a time but not both together.I've tried issuing a...

Is it possible to remotely "view" [via a CLI command] the status of the LEDs of a switch; whether it be in a stack or standalone?Many thanks in advance!--Rob

Hello All, I am facing a strange problem with 4507R+E VSS pair. The supervisor engine is 8E in the switches. The issue is that when I connect a host directly to the standby chassis I am not able to reach internet. The same host when connected to the ...

Hello Guys,I have a problem with one of our switch a cisco catalyst 2960-S switch. It suddenly went inaccessible. I went to check the configuration via console it seems my configuration was gone and I could  not go to the configurations cz it was pro...

I am setting up 240 VLANs on 5 SF300-48 switches, and the step that assigns a VLAN ID to a port in access mode is very tedious.  I just finished 48 of them and I have 192 more to do.  It would be nice if there was a step like "Join VLAN ID 401-448 on...

Hello, I have read about N2K problem to connect LAN switches because of it has BPDU filter enabled by default. Ok, this is clear. I have tried to create an aggregate between the switch and the N2K, I mean, a port-channel in active mode. Configuration...

Hello gurus,We recently experienced a network outage when two PC lan ports were connected to one another.  For eg, the network port gi1/0/2 and gi1/0/3 were directly connected to each other and this action brought the network down.On both switchports...

Hello there all,I was wondering if a interface numbering scheme is available for the 4900M.  Configuration includes 1 x 8Port 10G and 1 x 20Port 1G modules.  Would like to understandHow the slots are addressedInterface AddressingTwinGig interface add...

Bonjour, J'aimerais savoir si il était possible de Stacker deux 2960X, via les ports SFP, entre eux ?  Hello, I would like to know if it possible to stack two 2960X with SFP cable by using SFP port ?Sorry for English and thanks for Answer   

This is C-4506-E Switch with ONLY 1 ACTIVE SUP. wttsw1028#sh module 1Mod Ports Card Type                                               Model      ---+-----+--------------------------------------+------------------+----------- 1     6  Sup 6L-E 10GE (...