TP-Link T1700X-16TS T1700X-16TSUN V1 User Guide - Page 172
Number, OUI Address, Vendor, Port Voice VLAN Mode, Port Voice, VLAN Mode, Voice, Stream Type, Link
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An OUI address is a unique identifier assigned by IEEE (Institute of Electrical and Electronics Engineers) to a device vendor. It comprises the first 24 bits of a MAC address. You can recognize which vendor a device belongs to according to the OUI address. The following table shows the OUI addresses of several manufacturers. The following OUI addresses are preset of the switch by default. Number OUI Address 1 00-01-e3-00-00-00 2 00-03-6b-00-00-00 3 00-04-0d-00-00-00 4 00-60-b9-00-00-00 5 00-d0-1e-00-00-00 6 00-e0-75-00-00-00 7 00-e0-bb-00-00-00 Vendor Siemens phone Cisco phone Avaya phone Philips/NEC phone Pingtel phone Polycom phone 3com phone Table 10-1 OUI addresses on the switch Port Voice VLAN Mode A voice VLAN can operate in two modes: automatic mode and manual mode. Automatic Mode: In this mode, the switch automatically adds a port which receives voice packets to voice VLAN and determines the priority of the packets through learning the source MAC of the UNTAG packets sent from IP phone when it is powered on. The aging time of voice VLAN can be configured on the switch. If the switch does not receive any voice packet on the ingress port within the aging time, the switch will remove this port from voice VLAN. Voice ports are automatically added into or removed from voice VLAN. Manual Mode: You need to manually add the port of IP phone to voice VLAN, and then the switch will assign ACL rules and configure the priority of the packets through learning the source MAC address of packets and matching OUI address. In practice, the port voice VLAN mode is configured according to the type of packets sent out from voice device and the link type of the port. The following table shows the detailed information. Port Voice VLAN Mode Voice Stream Type Link type of the port and processing mode TAG voice stream Automatic Mode Untagged: Not supported. Tagged: Supported. The default VLAN of the port cannot be voice VLAN. UNTAG voice Untagged: Supported. stream Tagged: Not supported. 161