I haven't sniffed the data yet to see what's going on - but it's my understanding that the "switchport voice vlan" command works in conjunction with CDP. When a phone is detected, the switch establishes a 'lite' trunk with the phone, passing both voice and data VLANs.
Is this trunk maintained without any BPDUs? How does that work, exactly?
If I have BPDUGuard on my access ports, does it just 'ignore' bpdu's related to Voice-VLAN related trunks, or does this trunk really exist without BPDUs?
SIP traces provide key information in troubleshooting SIP Trunks, SIP
endpoints and other SIP related issues. Even though these traces are in
clear text, these texts can be gibberish unless you understand fully
what they mean. This document attempts to br...
Please find the attached HTML document, download and open it on your PC.
This provides an easy to use form where you simply answer a few
questions and it will render the proper jabber-config.xml file for you
to copy/paste. There is built in logic to verif...
CUCM Database Replication is an area in which Cisco customers and
partners have asked for more in-depth training in being able to properly
assess a replication problem and potentially resolve an issue without
involving TAC. This document discusses the bas...