As you have probably heard by now NSX took the spotlight at VMworld US 2013. Since the announcement, I have had several people approach asking…
Cisco MDS CPU utilization of 100 percent seen in certain situations
For those of you who read the MDS 9000 NX-OS update, 5.0(7), release notes, you may have noticed that the title of this post is…
Maximum number of VMkernel interfaces per ESXi host
I received was asked what the maximum number of VMkernel interfaces per ESXi host was. Off the top of my head I was not aware…
Rescan All Hangs ESXi
I ran into a interesting problem the other day. I was brought into an environment that had a pair of ESXi 5.1 hosts connected to…
Overlapping Static Routes
Do you have to connect to a VPN in order to work? Do you need to connect to more than one VPN to work? Have…
Starting Vyatta router: configure failed!
Since I have experienced this issue several times before and I can never remember the commands needed to figure out what is wrong, I figured…
Cisco Bug: Show Commands Cause (Dual) Fabric Reboot(s)
Over the last two weeks I have been hit by the same UCS bug, though by different means, twice and as such I would like…
Default gateway on Windows system disappears on reboot
This appears to be an old problem that keeps popping up, but I just experienced it for the first time. I was tasked with deploying…
Show VLAN
If you are a network administrator, then you probably know that on many switches typing the command ‘show run’ will display the running switch configuration…