Hello!Some time ago I encountered a problem connecting C9500 switches to the network. I have two switches C9500 that use stack virtual  technology. The switch C9500 has a management IP address and a static route to the gateway via VRF. The C9500 swit...

Hello!I have problem with Wi-Fi on iPhones. This device can't connect to Wi-Fi. I opened case in Cisco TAC and they don't see any problems with WLC or AP configuration. In logs we see that client disconnects from AP. We don't know what the problem co...

Hi, everyone! I have problem with optical link (1000SX) on Cisco Catalyst 9300 (C9300-48T). This switch C9300 uses GLC-SX-MMD transciver but port don't up. Confuguretion this port: Switch#sh run int Te1/1/3interface TenGigabitEthernet1/1/3description...

Hello!I have noticed that some devices have been assigned a different IP address than their network. Corporate PCs recieve IP-address from network 10.148.x.x but PCs recieve IP-address from another network - 192.168.x.x. For example,For this WLAN the...

Hello!In our network we use WLC 9800 with version 17.9.5 and AP C9130AXI-E. I have problem with unstable Wi-Fi connection in the user. I increased timeout:But I see the user has unstable Wi-Fi connection: What can you recommend in this case?Thanks!  ...