Hello, We have a switch connected to our operator's router. It's a 'OneAccess' router.What could cause the switch to see itself on the port connected to the router?SW#sh cdp neighbors Capability Codes: R - Router, T - Trans Bridge, B - Source Route B...

Hi,For some time now, we've been experiencing audio quality issues during certain communications with IP phones (CUCM). We have voice gateways (such as ISR4331) connected to both our CUCM and our operator (ISDNoIP).Could you please let me know if QoS...

Hi,Is it normal to have so much drop no adjacency when i do a show ip traffic on a Catalyst 9300?I tried a debug ip cef, but it doesn't show me anything.IP statistics: Rcvd: 7788 total, 126714 local destination 0 format errors, 0 checksum...

Hello,Would you have an idea of what could cause MAC flapping in a loopless topology (the wiring has been checked).A Cisco switch is connected to a router of another brand (our supplier's). There is a data vlan and a voice vlan, only the telephone ex...

Hi,I am facing an issue at a remote site where the 7941 phones are registering successfully with SCCP, but the 7841 phones are not registering in SIP.Here are some error messages (we have a CUCM publisher and a subscriber):"Unable to get next ccm!""C...