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AWSとオンプレミスの疎通確認に使えるコマンド

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前提

  • EC2 Amazon Linux 2

ポート指定でping疎通

$ sudo yum -y install nc
$ nc -zv {ipaddress} {port}

ping疎通の確認

# pingの受け手で実行
$ tcpdump -nn icmp

# pingの送り手で実行
$ ping {ipaddress}
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