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network performance toolkit using open source testing tools phần 5

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Phân phối netperf có thể được tìm thấy tại URL: Tại thời điểm này, phiên bản sản xuất mới nhất của netperf có sẵn trên trang Web netperf phiên bản 2.2, bản vá cấp độ 2. Điều này nằm trong tập tinCác chương kế tiếp mô tả một ứng dụng phân tích dữ liệu mạng lưới hiện có. | Nettest 151 Table 8.2 continued PARAMETER DESCRIPTION -k key Define the client key file to use if not using the default key.pem file. -a phrase Define the client pass phrase required for the connection. -b phrase Define the local nettest.pem and key.pem pass phrase. -s Place Nettest in server mode waiting for new connection attempts. -d Run Nettest as a daemon process. -D debug Define a debug level for more verbose output. The following sections describe how to use the Nettest application in a testing environment. Starting a Nettest Session Any remote host participating in the Nettest test must have the lblnettest program running in server mode either as a standalone application or as a daemon. To start Nettest in standalone mode you can use the following command . lblnettest -s Nettest Nov 6 2002 00 20 06 For Client cert key pair entered on Command Line Enter a Passphrase to decrypt private key For nettest.pem key.pem Enter a Passphrase to decrypt private key Waiting for a connection When the lblnettest program starts in server mode it first asks for the pass phrases used for both the clients and the local nettest.pem file this is the pass phrase you used when creating the key files . After you enter the proper pass phrases lblnettest begins listening for remote connections. One host in the test must define the master host which is used to control the tests. The master can be any host that is placed in server mode. If you are using only two hosts for the tests then the master will be the server host. To initiate the tests on the client host enter the command . lblnettest -h 192.168.1.100 Nettest Nov 6 2002 00 22 26 For Client cert key pair entered on Command Line Enter a Passphrase to decrypt private key For nettest.pem key.pem 152 Chapter 8 Enter a Passphrase to decrypt private key Select an option u udp connectivity and round trip time m multicast connectivity and round trip time i tcp throughput iperf test w traceroute p pipechar t tuned tcp determine optimal .