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SwitchC (Config)#exit
SwitchC#
14.5.4 Dynamic VLAN Troubleshooting
On the s witch configured with dynamic VLA N, if the two connected equipment (e. g. PC) are both
belongs to the same dynamic VLAN, first communication between the two equipment may not go
through. The solution will be letting the two equipment positively send data packet to the
XGS 3-42000R(such as ping), to let the switch learn their source MA C, then the two equipment will be
able to communicate freely within the dynamic VLAN.
14.6 Voice VLAN Configuration
14.6.1 Introduction to Voice VLAN
Voice VLAN is specially configured for the user voice data traffic. By setting a Voice VLAN and adding the
ports of the connected voice equipments to Voice VLAN, the user will be able to configure QoS (Quality of
service) service for voice data, and improve voice data traffic transmission priority to ensure the calling quality.
The Chassis Switch can judge if the data traffic is the voice data traffic from specified equipment according to
the source MAC address field of the data packet entering the port. The packet with the source MAC address
complying with the system defined voice equipment OUI (Organizationally Unique Identifier) will be
considered the voice data traffic and transmitted to the Voice VLA N.
The configuration is based on MAC address, acquiring a mechanism in which every voice equipment
transmitting information through the net work has got its unique MA C address. VLAN will trace the address
belongs to specified MAC. By this means, VLAN allows the voice equipment always belong to Voice VLA N
when relocated physically. The greatest advantage of the VLA N is the equipment can be automatically placed
into Voice VLAN according to its voice traffic which will be transmitted at specified priority. Meanwhile, when
voice equipment is physically relocated, it still belongs to the Voice V LAN without any furt her c onfiguration
modification, which is because it is based on voice equipment other than switch port.
Notice: Voice VLAN needs to associate with Hybrid attribute of the ports to work, so the ports that may be
added to Voice VLA N must be configured as Hybrid port.
14.6.2 Voice VLAN Configuration
Ping 192.168.1.200
Dynamic VLAN
192.168.1.100/24
Figure 14-5-2 Dynamic VLAN Troubleshooting
14-18
Ping 192.168.1.100
192.168.1.200/24
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