To do vCenter high availability with dedicated network interface controllers (NICs) you have to create a distributed switch where you connect your host VMKernel adapters.
Select your vCenter server, then “Networks” tab, and then go to “Distributed Switches”. Click Distributed Switches, and then click “New Distributed Switch”.
Continue reading “Using vCenter High Availability with a separate network for vcenter HA”
I needed a new VLAN for vCenter High Availability.
I create a new vlan number 20 and give it a name “VCenterHA”
Switch1# configure terminal
Switch1(config)# vlan 20
Switch1(config-vlan)# name VCenterHA
Continue reading “Configuring new VLAN for a Cisco Switch”
I wanted to upgrade the IOS on my Cisco WS-C2970G-24T-E switch. I used tftpd64 to create an FTP server on my Windows 7 machine and put my new IOS binary file there.
On the switch I checked my current IOS version
switch# show version
<— version information —>
… 12.2(25)SEC2 …
Continue reading “Upgrading Cisco IOS version”