IP Performance Configuration 99Networking DiagramFigure 29 Networking for UDP Helper ConfigurationConfiguration Procedure1 Enable UDP Helper function.[4500]udp-helper enable2 Set to relay-forward the broadcast packets with destination UDP port 55.[4500]udp-helper port 553 Set the IP address of the destination server corresponding to VLAN interface 2 as202.38.1.2.[4500]interface vlan 2[4500-Vlan-interface2]udp-helper server 202.38.1.2IP PerformanceConfigurationIP PerformanceConfigurationIP performance is described in the following sectionConfiguring TCP AttributesTCP attributes that can be configured include:■ synwait timer: When sending the syn packets, TCP starts the synwait timer. Ifresponse packets are not received before synwait timeout, the TCP connectionwill be terminated. The timeout of synwait timer range is 2 to 600 seconds andit is 75 seconds by default.■ finwait timer: When the TCP connection state turns from FIN_WAIT_1 toFIN_WAIT_2, finwait timer will be started. If FIN packets are not received beforefinwait timer timeout, the TCP connection will be terminated. Finwait timerrange is 76 to 3600 seconds. By default, finwait timer is 675 seconds.■ The receiving/sending buffer size of the connection-oriented socket is in therange from 1 to 32K bytes and is 8K bytes by default.Perform the following configuration in System View.EthernetEthernetInternetSw itch ( UDP Helper )10.110.0.0 Serv er202.38.1.210.110.1.1202.38.0.0202.38.1.1Table 97 Configuring TCP AttributesOperation CommandConfigure synwait timer in TCP tcp timer syn-timeout time_value
