User Manual UMN:CLIV5812G197ICMP_TIMESTAMP (13) OFFICMP_TIMESTAMPREPLY (14) OFFICMP_INFO_REQUEST (15) OFFICMP_INFO_REPLY (16) OFFICMP_ADDRESS (17) OFFICMP_ADDRESSREPLY (18) OFFTab. 7.2 Mask Calculation of Default ValueTo configure the limited ICMP transmission time, use the following command.Command Mode Descriptionip icmp interval rate-limitINTERVAL Global Configures a limited ICMP transmission time.INTERVAL: 0-2000000000 (unit: 10 ms)The default ICMP interval is 1 second (100 ms).To return to default ICMP configuration, use the following command.Command Mode Descriptionip icmp interval default Global Returns to default configuration.To display ICMP interval configuration, use the following command.Command Mode Descriptionshow ip icmp intervalEnableGlobalBridgeShows ICMP interval configuration.7.16 TCP Flag ControlTransmission Control Protocol (TCP) header includes six kinds of flags that are URG,ACK, PSH, RST, SYN, and FIN. For the V5812G, you can configure RST and SYN as thebelow.7.16.1 RST ConfigurationRST sends a message when TCP connection cannot be done to a person who tries tomake it. However, it is also possible to configure to block the message. This function willhelp prevent that hackers can find impossible connections.To configure not to send the message that informs TCP connection cannot be done, usethe following command.i
