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HumanItNeer

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  • Linux I/O(NIU) Performance Test When you need to test real bandwidth performance between Linux base servers, it's so useful! You can check your NIC speed. # ethtool enp0s3 // enp0s3 is example interface name. Settings for enp0s3: Supported ports: [ TP ] Supported link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full Supported pause frame use: No Supports auto-negotiation: Yes Supported FEC modes: Not.. 공감수 0 댓글수 0 2020. 7. 29.
  • Ping process Ping Process Purpose : What happen to Cisco switch when ping is going 1. New two PCs are connected to SW1 2. an each PC has IP. PC1 : 10.1.1.1/24 PC2 : 10.1.1.2/24 3. SW1 has no configuration at all but just interfaces for PCs are ‘no shutdown’ 1. SW1 works for STP to the interfaces. it will take almost all 50 seconds. 2. On PC1, Ping is tried to PC2 (ex: ping 10.1.1.2) 3. PC1 sends ARP request .. 공감수 0 댓글수 0 2019. 10. 3.
  • Installing Wireshark on CentOS6.7 1. install wireshark # yum -y install wireshark 2. install wireshark-gnome # yum -y install wireshark-gnome 3. execute wireshark on x-window # wireshark 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495[root@localhost sipp-3.3.990]# yum -y install wiresharkLoaded pl.. 공감수 0 댓글수 0 2019. 10. 3.
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