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Network라는 것은 어떻게 변할 것인가? (Enterprise part) - 1IT 2020. 11. 16. 15:10
이 블로그 시리즈의 목적은 앞으로 어떻게 네트워크는 변화할 것인지 고민해보고 그 변화하는 과정 중에서 나는 어디에 집중할 것인가를 고민하기 위해 썼다. 네트워크라는 것은 무엇일까? 네트워크는 연결이다. 좀 더 길게 서술하면 누군가(1:1, 1:N)에게 무엇을(HTTP,SIP,DIAMETER...) 전달하거나 받는 것(Switching, Routing, L4, Security...)이다. 네트워크는 각 산업별, 사용에 따라 구조가 다르다. 이 파트는 일반적인 기업 혹은 Campus 구조로 많은 일반 컴퓨터 사용자를 위한 네트워크를 어떻게 구성하고 있는가이다. 20층짜리 건물이 10개 있다. 각 층에는 250명의 회사원들이 빼곡히 들어있다. 각 층마다 Access 장비가 있고 Access는 한 층의 모든 컴..
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Oracle VirtualBox - Resizing 'vmdk' diskCloud/Oracle VirtualBox 2020. 8. 11. 11:29
This is how to resize 'vmdk' file by CLI. 1. Oracle VB should be installed 2. You should have a VM to resize. 1. My VM(controller) has 30.00GB 'vmdk' disk. 2. Check and go to the directory location that the disk is placed on. Machine > Settings > Storage > Information > Location 3. Open a command prompt. 4. You should check the location for the command file(VBoxManage.exe) to resize. In my case,..
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DSC SWe installation on VMware ESXi 6.0_(4)Ribbon Communications/Diameter Signaling Controller 2020. 8. 3. 18:02
1. Try to access WebUI via Shared mgmt IP. 2. Take the MAC and UUID for creating DSC license and share to Ribbon TAC or PS or Sales. You will get new license. 3. After you get the license, you click 'Add License' and 'I Agree' 4. input the license keys and click 'Add keys' then licensing.. 5. Finally you can see the activated licenses. 6. Access SSH, startmenu 7. go to Set initial configuration ..
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DSC SWe installation on VMware ESXi 6.0_(3)Ribbon Communications/Diameter Signaling Controller 2020. 8. 3. 17:49
1. Check ping between VM1 and VM2. if it works, HA connection is working well. 2. Go to VM1 console window 3. Configure hostname and other information #startmenu > root > new password 4. Configure Network Interfaces 5. Network Information 6. Set the hostname and domain for DSC system. 7. Reboot the DSC system again. 8. Set mgmt IP #startmenu > 2 - Configure Network Interfaces > 3 - Management Ne..
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DSC SWe installation on VMware ESXi 6.0_(2)Ribbon Communications/Diameter Signaling Controller 2020. 8. 3. 17:02
We go to the initial setup for DSC SWe. 1. vm-init > VM number set 1 We are going to setup VM#1 for DSC first. if you setup VM#2, you should type 2. 2. Mapping VM interface to ESXi network 2.1 Check what mac address of VM instance is for a network. (after booting up VM, the mac is created automatically) In my case, NIC for MGT network has 00:0c:29:fb:7e:49 NIC for HA network has 00:0c:29:fb:7e:5..
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DSC SWe installation on VMware ESXi 6.0_(1)Ribbon Communications/Diameter Signaling Controller 2020. 8. 3. 16:07
This post illustrates how to deploy Ribbon DSC(Diameter Signaling Controller) SWe on VMware ESXi. 1. A server Processor: Intel Xeon processors, RAM: Minimum 24GB DISK: Minimum 500GB NICs: Minimum 4 NICs Network: Minimum 3 networks for HA, Mgmt, Pkt 2. VMware ESXi on a server and ESXi license up and ESXi client installation. 3. DSC SWe software file 1. File > Deploy OVF Template... 2. Select a lo..
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Linux I/O(NIU) Performance TestProtocols/IP_TCP_SCTP_DIAMETER_HTTP 2020. 7. 29. 11:26
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..
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Openstack Train "No valid host was found." troubleshootingCloud/Openstack_K8s_Docker 2020. 7. 27. 18:41
1. You get the error message "Failed to schedule instances: NoValidHost_Remote: No valid host was found." in /var/log/nova/nova-conductor.log, when you are installing an instance with image and flavor. 2. If you use Heat orchestration for installation, you get the error message "heat.engine.resource ResourceInError: Went to status ERROR due to "Message: No valid host was found. , Code: 500"" in ..