3Com 4500 Switch User Manual


 
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Table of Contents
1 Voice VLAN Configuration························································································································1-1
Voice VLAN Overview·····························································································································1-1
How an IP Phone Works ·················································································································1-1
How Switch 4500 Series Switches Identify Voice Traffic ································································1-3
Setting the Voice Traffic Transmission Priority ···············································································1-3
Configuring Voice VLAN Assignment Mode of a Port·····································································1-4
Support for Voice VLAN on Various Ports·······················································································1-4
Security Mode of Voice VLAN ·········································································································1-6
Voice VLAN Configuration ······················································································································1-7
Configuration Prerequisites ·············································································································1-7
Configuring the Voice VLAN to Operate in Automatic Voice VLAN Assignment Mode··········1-7
Configuring the Voice VLAN to Operate in Manual Voice VLAN Assignment Mode ·········1-8
Displaying and Maintaining Voice VLAN·······························································································1-10
Voice VLAN Configuration Example ·····································································································1-11
Voice VLAN Configuration Example (Automatic Voice VLAN Assignment Mode) ·······························1-11
Voice VLAN Configuration Example (Manual Voice VLAN Assignment Mode)···································1-13