Netgear XSM4324FS Software Administration Manual Software Version 12.x - Page 267
OUI-Based Auto VoIP
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M4300 Series and M4300-96X Fully Managed Switches Note: Queue assignment and remark 802.1p priority are mutually exclusive configurations. You can configure each configuration on a per-port basis. After a call session completes and the call is disconnected, the QoS rules are removed. The ports on which you configure protocol-based Auto VoIP are made members of the voice VLAN automatically. By default, no VLAN is used for the voice VLAN. You must create a voice VLAN first. OUI-Based Auto VoIP OUI-based Auto VoIP prioritizes VoIP packets based on the bytes of the organizationally unique identifiers (OUIs) in the source MAC address. The switch is preconfigured with a default list of OUIs. You can also add OUIs that need prioritization. The switch can support up to 128 OUIs, including the default OUIs. By default, the switch uses the highest available priority for all frames that match OUIs on the OUI list. You can override the default priority and configure a different priority. You need to map the priority to a traffic class to achieve the desired egress queuing for VoIP traffic. The switch assigns all VoIP traffic that matches a known OUI list to the VoIP VLAN. If you modify the VoIP VLAN, all existing MAC VLAN entries are removed. The MAC entries are deleted from the forwarding database and relearned with the new VLAN as the devices transmit packets. The port VLAN membership also changes. The switch assigns untagged VoIP traffic only to the VoIP VLAN and uses the associated priority for egress queuing. If you enable port mirroring on a port that is configured for Auto VoIP, the port remains nonoperational. DiffServ 267 Software Administration Manual
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