Switching

We have a switch stack that is showing two of its three power supplies as bad, and reporting no input power.  However from the hardware perspective, all of the LEDs on the device itself are green.  I have been unable to find any documentation online ...

Why on earth did Cisco not support the SFP+LRM module with their QSA CVR module? It was not until we installed our C9500-32QCs and C9606Rs did we realize we had major problems. It slipped by us -- I did a lot of testing and must have missed that poin...

Hello Community, I use three SG300 switches to run my network. One is connected to a (free) ESX server running an OPNsense VM that acts as router. I have several VLANs that are connected using trunks between the switches and ESX. The OPNsense VM is c...

I have a  WS-C3650-48TS running on IOS ver 16.6.7. I have seen log entries like following for the interfaces where no device is connected.I have seen similar logs entries for interface Gi1/013 & Gi1/0/14. There are no other log entries other than the...

Hi How can I determine the IP address of my Cisco SG200 switch?I don't know what the IP address and network are.I can't seem to reset my switch because the reset button is broken off. Any ideas? Thanks in advance,

Hi We need to add layer 3 switch (MS-250 Meraki)  to perform intervlanwe have SAS 5506 That connect to vpn (Anyconnect) in vlan 1 ip 192.168.1.1all connection go from this vlan 1 to the server,workstation,printer,vpn......we need to divide our networ...

After firmware ugrade c2960x-universalk9-tar.152-7.E3.tar done in gui my switch will not boot.my only iI have connected it to usb /terminal and get this output :   

How to integrate a Meraki firewall with Catalyst 3650 switches Configurationwhile the Meraki FW gives out DHCP. Thanks

I'm looking to buy a replacement serial cable for this switch. Anyone know the part number and where I can buy it from?thanks!Michael

Hi all I facing some issue about macflapping notification when clients roaming to another APA lot of AP on the same a switch. How can I disable it ?

Good morning friends;I have a Catalyst 3850 SW platform with IOS 16.6.2, the trunk interfaces via PORT CHANNEL that link these SWs, shows high OUTPUT PACKET DROPS, in only one of the PORT CHANNEL interfaces, do any of you have any idea what I can be ...

Hello hiiI have 1Gbps connection and I given 1gbps input on Cisco 2911 router but I can't get output speed from 2911 router .It's get around 250 to 300 Mbps download and 50 to 60 upload speed. I had done following configuration on 2911 router. interf...