TP-Link T2500-28TCTL-SL5428E T2500-28TCUN V1 User Guide - Page 192
Port Voice, VLAN Mode, Voice, Stream Type, Link type of the port and processing mode
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Port Voice VLAN Mode Voice Stream Type Link type of the port and processing mode ACCESS: Not supported. TAG voice stream Automatic Mode TRUNK: Supported. The default VLAN of the port cannot be voice VLAN. GENERAL: Supported. The default VLAN of the port cannot be voice VLAN and the egress rule of the access port in the voice VLAN should be TAG. ACCESS: Supported. UNTAG voice TRUNK: Not supported. stream GENERAL: Supported. The default VLAN of the port should be voice VLAN and the egress rule of the access port in the voice VLAN should be UNTAG. ACCESS: Not supported. Manual Mode TAG voice stream TRUNK:Supported. The default VLAN of the port should not be voice VLAN. GENERAL:Supported. The default VLAN of the port cannot be voice VLAN and the egress rule of the access port in the voice VLAN should be TAG. ACCESS: Supported. UNTAG voice TRUNK: Not supported. stream GENERAL: Supported. The default VLAN of the port should be voice VLAN and the egress rule of the access port in the voice VLAN should be UNTAG. Table 11-2 Port voice VLAN mode and voice stream processing mode Security Mode of Voice VLAN When voice VLAN is enabled for a port, you can configure its security mode to filter data stream. If security mode is enabled, the port just forwards voice packets, and discards other packets whose source MAC addresses do not match OUI addresses. If security mode is not enabled, the port forwards all the packets. Security Mode Packet Type Processing Mode Enable UNTAG packet When the source MAC address of the packet is the OUI address that can be identified, the packet can be Packet with voice transmitted in the voice VLAN. Otherwise, the packet will VLAN TAG be discarded. Packet with VLAN TAG other The processing mode for the device to deal with the packet is determined by whether the port permits the VLAN or not, independent of voice VLAN security mode. Disable UNTAG packet Do not check the source MAC address of the packet and all Packet with voice the packets can be transmitted in the voice VLAN. VLAN TAG Packet with VLAN TAG other The processing mode for the device to deal with the packet is determined by whether the port permits the VLAN or not, independent of voice VLAN security mode. Table 11-3 Security mode and packets processing mode 182