Hello, Try to upgrade with USB. Maybe you have some network issue. Copy the image_tesla_hybrid_2.4.5.71_release_cisco_signed.bin to some USB Flash Drive, to the root. Plug in the USB port and connect to console of the switch with blue console cable: switchxxxxxx# config switchxxxxxx(config)# boot system usb://image_tesla_hybrid_2.4.5.71_release_cisco_signed.bin Wait for it to upload  Verify the boot sequence with: switchxxxxxx# show bootvar the freshly uploaded 2.4.5.71 should appear as inactive image with the comment: " Active after reboot " If it is like this, reboot the switch with command: switchxxxxxx# reload Hope it helps. Cheers,  Mike ... View more

Hello Floyd, Try to add VLAN 20 to bonjour interfaces: switchxxxxxx(config)# bonjour interface range VLAN 1,4,10,20 What happens? Cheers,  Mike ... View more

Hello, How you enable SNMP ? - can you attach a screenshot? Thank you in advance Cheers,  Mike ... View more

Hello Floyd, What the following command shows ?  switchxxxxxx# show bonjour ... View more

Hello,  For the external file logging:   *in Windows: Download Putty -  link below: http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html   Set Putty to save everything in a file: - Session > Logging -- there, change None to Printable Output - and choose folder with Browse   ... View more

Hello Eirik, The port on the switch should in trunk mode and should contain both VLANs - 1 and 200. Check it. Hope it helps  Cheers,  Mike ... View more

Hello Etihaenni, Can you enable SSH on the switch and attach the output from the following commands: *note - enable logging in external file because the output is usually more than the scrollback line count   switch# show tech switch# show mac address-table interface gi1 switch# show power inline  switch# show power inline interface gi1   Thank you in advance     ... View more

Hello,  These switches does not have SNMP. Hope it helps  Cheers,  Mike ... View more

Hello Etihaenni, What happens if you disable CDP and leave only LLDP running? ... View more

Hello, Try the following commands: switch# show system sensors switch# show system fan Hope it helps Cheers, Mike ... View more

Hi Ant, They are different generations switches. So I think you can use it like this. Can you post 1 port config as example ? I will be grateful :) Thank you in advance Cheers,  Mike ... View more

Hello Verdura, Try to assign the IP to VLAN 400 from 172.30.1.252/30 network. What happens? Cheers, Mike ... View more

Hello Geoffrey, First update the switch to latest firmware: https://software.cisco.com/download/home/283019669/type/282463181/release/1.4.9.4?i=!pp   Console port (DB9) is direct connection to the switch over RS-232 protocol (serial) and it is not a network protocol. If you are trying to ping the switch over serial connection, it will not respond. To ping the switch IP you need to connect the NIC of the server to one port that is member of this VLAN1 (by default all the ports are members). Hope it helps. Cheers, Mike ... View more