Switching

Currently have c9500's under a DNA Advantage enterprise agreement but when I look at the licensing on the actual switch I am only showing it has Network advantage license running. How do I also activate the DNA subscription? I went through the regist...

Hello CISCO Community. I have an idea but I am not sure if I am just limited in the IOS to make this work or if there are any other technologies / configurations to make it happen.  Basically, I am connecting two switches together with 2 links and I ...

Hi all,Greetings!!Am working in a firm that have more than 10 Cisco switches connected to one core master switch via SFP . But one of the Switch not communicate after few hours of working, when i check that SFP Connector in that switch it not blinkin...

Hi, I want to know why Cisco has added the storage option in C9000(c9200,c9300,c9400,c9500,c9600) series switches?And what are the applications in c9000 switches those need the storage? BR Abdul Karim

Hello Guys,I really need urgent help from you guys. We have- Sonicwall Firewall- 9200L L3 switch- 2500 series WLC- AIR-CAP1602I-C-K9 Wireless Access PointsWe have VLANs configured on switch for Wired and Wireless users.Recently, we bought Sonos Play ...

I know VMPS is an old feature, but we still use it on many of our Cisco Switches.We will try to migrate to 802.1x, but I still would like to know the official status of VMPS. Now we got our first Catalyst 9200 and 9400 (IOS 16.9.4) Switches and I rea...

How to check SF-300 24 port Cisco Switch Temperature 

Hello everyone,,,How can i check ALL configuration implemented in the switches? "show archive config differences " didnt see much. Can i view the config in ID 1,2,3,4,5 below? KL04SW#show configuration history1 00:20:50 UTC Tue Sep 24 20192 00:20:50 ...

HI Everyone, Thesedays, we are occuring a issue that  is "show inv" command cannot display full info of two cat6500 device in VSS mode.We have done some steps on VSS before,First, we power down all cat6500 device(chassis1 is the active role,and chass...

Hi Guys, Got a strange issue between our core switch SX550-48 to our edge switch SX350-48. We use 4 copper links between the edge and core in a single port channel. The core switch shows all physical links up but the edge side is down. Not sure what ...

Hi AllCan anyone tell me if they use Macsec and why?We have some ethernet circuits to remote sites and we need to look at encryption.Is it easy to do switch to switch encryption, much config involved?does this bring the throughput down on the switch ...

Hi all,   I am working remotely for 6504 with sup720 , i cant see sup-bootdisk: by issueing "dir ?" command, but physically memory is seated on SUP card board.   when i am trying to copy from disk0: to bootdisk: , i am seeing following error.  copy d...

Hello, I've recently acquired a new Cisco switch Catalyst 2960L-SM-48PS, I been searching for SFP Modules but I can't find anything that says is compatible with my switch. I would be very grateful if someone could help me. Thanks!