netstat の -s オプションは、UDP、TCP、SCTP、ICMP、および IP のプロトコルについて、プロトコル別の統計情報を表示します。
netstat コマンドからの出力は、Oracle Solaris ユーザーアカウントで取得できます。
次の例に、netstat -s コマンドの出力を示します。出力の一部は省略されています。この出力は、プロトコルが問題を持っている場所を示すことがあります。たとえば、ICMPv4 と ICMPv6 からの統計情報は、このプロトコルがどこにエラーを検出したかを示します。
RAWIP rawipInDatagrams = 4701 rawipInErrors = 0 rawipInCksumErrs = 0 rawipOutDatagrams = 4 rawipOutErrors = 0 UDP udpInDatagrams = 10091 udpInErrors = 0 udpOutDatagrams = 15772 udpOutErrors = 0 TCP tcpRtoAlgorithm = 4 tcpRtoMin = 400 tcpRtoMax = 60000 tcpMaxConn = -1 . . tcpListenDrop = 0 tcpListenDropQ0 = 0 tcpHalfOpenDrop = 0 tcpOutSackRetrans = 0 IPv4 ipForwarding = 2 ipDefaultTTL = 255 ipInReceives =300182 ipInHdrErrors = 0 ipInAddrErrors = 0 ipInCksumErrs = 0 . . ipsecInFailed = 0 ipInIPv6 = 0 ipOutIPv6 = 3 ipOutSwitchIPv6 = 0 IPv6 ipv6Forwarding = 2 ipv6DefaultHopLimit = 255 ipv6InReceives = 13986 ipv6InHdrErrors = 0 ipv6InTooBigErrors = 0 ipv6InNoRoutes = 0 . . rawipInOverflows = 0 ipv6InIPv4 = 0 ipv6OutIPv4 = 0 ipv6OutSwitchIPv4 = 0 ICMPv4 icmpInMsgs = 43593 icmpInErrors = 0 icmpInCksumErrs = 0 icmpInUnknowns = 0 . . icmpInOverflows = 0 ICMPv6 icmp6InMsgs = 13612 icmp6InErrors = 0 icmp6InDestUnreachs = 0 icmp6InAdminProhibs = 0 . . icmp6OutGroupQueries= 0 icmp6OutGroupResps = 2 icmp6OutGroupReds = 0 IGMP: 12287 messages received 0 messages received with too few bytes 0 messages received with bad checksum 12287 membership queries received SCTP sctpRtoAlgorithm = vanj sctpRtoMin = 1000 sctpRtoMax = 60000 sctpRtoInitial = 3000 sctpTimHearBeatProbe = 2 sctpTimHearBeatDrop = 0 sctpListenDrop = 0 sctpInClosed = 0 |