Switching

Hello, I'm new Cisco user. I have on Cisco 350 Switch. I created three VLAN (10, 20, 30). On VLAN 10 I entered IP from subnet of my Internet Router (non CISCO device). If I connect client to this VLAN via CISCO Router, it connects to the Internet (DH...

Hi, since this morning we have been receiving an error message from Nexus to our monitoring system. The show env fan command does not indicate a fault. We must understand whether the problem is with the chassis or the fan. This is the message: Hardwa...

I am trying to clear a mac from a port.  Here is what it looks like from the running config:interface GigabitEthernet5/0/7switchport mode accessswitchport port-security mac-address stickyswitchport port-securitysh interfaces status err-disabled retur...

Hello everyone,We have Cisco SG500 switch and we have configured it as inter-vlan router.Multiple VLANs (total-10) have been created and for it multiple VLAN interface have been created.Port G23, G24, G25 & G26 are connected to another switches so th...

Dear allI have spent 2 days and I still cant solve the issueMy Mac Mini that connected with the swithch's interface the Gi 0/2 under the Vlan 2 is unable to connect to internet, and it failed to ping 8.8.8.8, my router gateway 192.168.50.1. It can on...

Model n°:  C9300L 24P 4x10GCisco IOS XE Software, Version 17.09.04aCisco IOS Software [Cupertino], Catalyst L3 Switch Software (CAT9K_IOSXE), Version 17.9.4a,I noticed that the management interface o goes down without any action or wiring problem.I h...

Hi, For some reason, we will need to do stackwise virtual for 2* C9500 Core switch and another 2* C9500 switches, the way just like double-sided vPC, since I have not done that before, can anyone help me that if it can work in that way? 

I CANNOT ACCESS MY CORE SWITCH FROM MY PC BUT I CAN ACCESS IT FROM ANY OTHER SWITCH SSH.

My network consists about a 5x SG350 and 1x CBS350. They are all connected in star with leaves topology. (1->2 1->3 1-4 3->5 5->6 etc). Some are connected with LAG with 2 ports, most are just single-cable no-LAG connected. There are loops in the netw...

hi I'm trying to ping from pc 10.1 to pc 10.2 on the same VLAN 10but it kept failingI'm using VLAN 100 for Trunk. Please help me

Hi,I'm having a strange issue an I'm not the best with understanding VPC so I was hoping someone might be able to help me out here.I have two SDWAN devices that are connected to their respective core device (sdwan-a to core a and sdwan-b to core-b) b...