Netgear GS418TPP User Manual - Page 151

ProSAFE 8-Port or 16-Port Gigabit Smart Managed Switch Model GS418TPP, GS510TLP, and GS510TPP 8. In the Join Timer field, specify the time in centiseconds between the transmission of GARP PDUs registering (or reregistering) membership for a VLAN or multicast group. Enter a number between 10 and 100 (0.1 to 1.0 seconds). The default is 20 centiseconds (0.2 seconds). An instance of this timer exists for each GARP participant for each port. 9. In the Leave Timer field, specify the time in centiseconds to wait after receiving an unregister request for a VLAN or multicast group before deleting the associated entry. This allows time for another station to assert registration for the same attribute to maintain uninterrupted service. Enter a number between 20 and 600 (0.2 to 6.0 seconds). The default is 60 centiseconds (0.6 seconds). An instance of this timer exists for each GARP participant for each port. 10. In the Leave All Timer field, specify how frequently (in centiseconds) LeaveAll PDUs are generated. A LeaveAll PDU indicates that all registrations will be deregistered soon. To maintain registration, participants must rejoin. The leave all period timer is set to a random value in the range of LeaveAllTime to 1.5 * LeaveAllTime. The timer is specified in centiseconds. Enter a number between 200 and 6000 (2 to 60 seconds). The default is 1000 centiseconds (10 seconds). An instance of this timer exists for each GARP participant for each port. 11. Click the Apply button. The updated configuration is sent to the switch. Configuration changes take effect immediately. Configure Auto-VoIP Voice over Internet Protocol (VoIP) enables telephone calls over a data network. Because voice traffic is typically more time-sensitive than data traffic, the Auto-VoIP feature helps provide a classification mechanism for voice packets so that they can be prioritized above data packets in order to provide better Quality of Service (QoS). With the Auto-VoIP feature, voice prioritization is provided based on call-control protocols (SIP, SCCP, H.323) or OUI bits. Configure Protocol-Based Port Settings To prioritize time-sensitive voice traffic over data traffic, protocol-based Auto-VoIP checks for packets carrying the following VoIP protocols: • Session Initiation Protocol (SIP) • H.323 • Signalling Connection Control Part (SCCP) VoIP frames that are received on ports that for which the Auto-VoIP feature is enabled are marked with the specified CoS traffic class value. Configure Switching 151