Switching

Hello everyone ,This event below appears continuously in one of C-9300-48P switch (IOS Version: 16.12.3a),what is the meaning of this Log or event and do have any impact on the switch or any something else ? and how to remove this event ? Feb 18 07:5...

Hi, all good day: I have a cisco ws-c2960x-24PS-L switch which was upgraded to 15.2(7)E3, version the file I use was downloaded from cisco software web site c2960x-universalk9-mz.152-7.E3.bin. that file gave to me searching by the cisco model. before...

Hello Dear Community, i have crated a small test topology where i have a main DHCP Server connected to a Switch(WS-C2960-24TT), on the same Switch there are 4 devices connected and are set to ask DHCP for IP address.what i am trying to reach:1- i wou...

Hi all,I have a 3850 L3 switch configured to send netflow to QRadar. Everything is working fine but recently I have seen some strange events popping up in netflow coming from this switch.Recently we have tightened security with an ACL on a VLAN inter...

Hello, I'm having an issue with running HSRP on Cisco Nexus 9K in vPC. I've done the configs but when Initiate the "show hsrp" command on the Nexus 9Ks. its saying "Standby router is unknown" on primary switch and "Active router is unknown" on standb...

Hi guys,Ok , I am studying little bit of switching technology for my day to day job requirement. May be following are very basic questions for you guys but really difficult to understand for me.How one can fine the MAC address of a cisco switch. For ...

Having some issues with a brand new Catalyst switch. I tried migrating the config file from my old switch to the Catalyst 9200L; it looked like it worked, until I reloaded the switch. Now, the switch will go through the boot sequence, and then displa...

can anyone explain the naming convention ws-x6148a please?

Hi, I am getting many transmit discards on 6509 interfaces on a specific vlan every 15 minutes, generally within a minute of 3:00, 3:15, 3:30 ect...  I have confirmed these discards are impacting video traffic on that vlan.  We get a burst of CC erro...