Configuration Guide Voice VLAN Configuration
Networking topology
Figure 2 Networking topology for configuring Voice VLAN auto mode
Configuration precaution
Since the downstream device connecting is the one sending tagged voice
streams through trunk port and voice VLAN works in auto mode, the native
VLAN of Fa0/1 must exist and must not be voice VLAN and native VLAN is
permitted.
VLAN 5 is the native VLAN and VLAN 2 is non voice VLAN. By default, trunk
port permits all VLANs. To use auto mode properly and prevent the port not
connecting voice device from joining voice VLAN, remove VLAN 5 from the
VLAN allowable list of Fa0/1.
Since 802.1x authentication should be enabled on Fa0/1, you need to set
security tunnel and permit voice streams with OUI address of "0012.3400.0000"
and mask code of "ffff.ff00.0000".
Configuring procedure
1) Create VLAN 2 as Voice VLAN.
# create VLAN 2 and enable Voice VLAN of VLAN 2.
Ruijie# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Ruijie(config)# vlan 2
Ruijie(config-vlan)# exit
Ruijie(config)# voice vlan 2
2) Voice VLAN Aging time is 1,000 minutes.
# Set Voice VLAN aging time.
Ruijie(config)# voice vlan aging 1000
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