Network Monitoring and Data Center Operation - SOI-Asia
Network Monitoring and Data Center Operation - SOI-Asia
Network Monitoring and Data Center Operation - SOI-Asia
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- ICMP/Ping Polling 1 - Check IP reachability by ICMP echo/reply• Additional information RTT (Round Trip Time) Packet Loss TTL (Time to Live) Most st<strong>and</strong>ard way of checking node activity Time series RTT/Packet loss data becomes importantinformation when measuring link performanceRTT: xx msecPacket Loss: xx %TTL: xxICMP echoICMP echo reply- ICMP/Ping Polling 2 -Optional Parameter•In case of daily operation Packet size (byte) Sending interval (sec) Sending count (n) Timeout (sec) TTL (n) Pattern (0x????) etc.•At <strong>Monitoring</strong> system Sending interval Sending count Time outSet up the value which is adapted for critical level or service level!7
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