Hello,I had an infrastructure with a Nexus 9k3 ​​at the core level. We recently decided to make a core in HA (a second Nexus was added) in VPC. At the access layer level, they are C9200. The DHCP server is on another device so an IP dhcp relay is con...

Hello,we have established a Trunk link between Cisco CUCM v12.5 and an Alcatel OmniPCx.however we have a problem getting along on SIP trunk calls between Cisco CUCM v12.5 and Alcatel OmniPCx.Telephones of the CP-8865 type work correctly but those of...

How can i join à second AP to à primary  on CB240 model.   Please hello me

A mobility express ap (K9c) can control a CAPWAP ap (K9) ? help me!