VLAN Management
Voice VLAN
248 Cisco 350, 350X and 550X Series Managed Switches, Firmware Release 2.4, ver 0.4
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Protocol-Based Groups to VLAN
To map a protocol group to a port, the port must be in General mode and not have DVA
configured on it (see Interface Settings).
Several groups can be bound to a single port, with each port being associated to its own
VLAN.
It is possible to map several groups to a single VLAN as well.
To map the protocol port to a VLAN:
STEP 1 Click VLAN Management > VLAN Groups > Protocol-Based Groups to VLAN.
The currently-defined mappings are displayed.
STEP 2 To associate an interface with a protocol-based group and VLAN, click Add.
The Group Type field displays the type of group being mapped.
STEP 3 Enter the following fields.
• Interface—Port or LAG number assigned to VLAN according to protocol-based group.
• Group ID—Protocol group ID.
• VLAN ID—Attaches the interface to a user-defined VLAN ID.
STEP 4 Click Apply. The protocol ports are mapped to VLANs, and written to the Running
Configuration file.
Voice VLAN
In a LAN, voice devices, such as IP phones, VoIP endpoints, and voice systems are placed into
the same VLAN. This VLAN is referred as the voice VLAN. If the voice devices are in
different voice VLANs, IP (Layer 3) routers are needed to provide communication.
This section covers the following topics:
• Voice VLAN Overview
• Voice VLAN Configuration
• Telephony OUI
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