Avaya ERS8600 basic CLI

 [ VLAN ] To create VLAN 2 as a port-based VLAN using STG 1: ERS8600-Switch:# config vlan 2 create byport 1 If required, enabled VLAN…

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How to install vCenter 5.1 on Windows 2008 R2

It is fairly easy process to install vCenter 5.1 on MS Windows 2008 R2 server. However, few things you need to watch out. * Installation…

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HP 1810-8G How to reset J9802A to factory default

Here is a steps to reset HP 1810-8G / J9802A to factory default 1. On the front panel of the switch, there is a Reset…

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Basic 802.1x configuration on Cisco switch with FreeRADIUS

FreeRADIUS Server (10.10.10.10) 1. Edit "users" file root@FreeRADIUS:/etc/freeradius# pico users "Jone Wild"       Cleartext-Password := "!PB@1@nce"                             Reply-Mesage = " Hello~ " 2….

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Cisco device RADIUS configuration with Server 2008R2

 Cisco device RADIUS configuration with Server 2008R2   OS : Windows 2008 R2 Standard. 4G RAM Window server is joined as domain server. IP 192.168.1.100…

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VMware vCenter Operation Manager error message

Error-vami.netmask0.VM_1

While installing "VMware vCenter Operation Manager Appliance", popped below error message.   " Cannot initialize property ‘vami.netmask0.VM_1′ since network ‘VM Network’ has no associated IP…

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Failed to join Active Directory Domain Controller

Failed to join Active Directory Domain Controller

Below error message has received when XP professional desktop was joining a domain.   An Active Directory Domain Controller(AD DC) for the domain "local.dethink.com" could…

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VMWare ESXi NIC teaming load-balancing issue

I have been researching and googling to clarify how VMWare NIC teaming is behaving load-balancing traffic between ESXi host and switch.   Here is known…

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How to configure MS Windows 2012 server as Domain Controller

Here is the step   1. Change server/computer name – Ex) WINDC01   2. Assign a static IP address 3. From Server Manager > Configure…

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Free up disk space from Windows srv 2008 R2

The command is "dism /online /cleanup-image /spsuperseded"   It will give you back about 5GB (max)    

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Avaya ERS 55xx NTP setting

Out of the box, Avaya ERS 55xx switch system will indicate below time clock.   ERS_5520# show clock    System Clock time  :    THU JAN…

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Ruby script sample – IP address

He is a sample Ruby scripting for IP address   for num in 1…10 ip = "1.1.1.#{num}" puts "#{ip}" end   Output> 1.1.1.1 1.1.1.2 1.1.1.3…

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