Author Archives: aek82

Setup VSF on a ArubaOS Switch

This will setup a Virtual Switch Fabric or VSF on two switches that support this feature. Tested on a two 2930F 8 port. Switches are named Core-1 and Core-2

#on Core-1...

config t

#disable all interfaces
interface 1-10 disable

#set port 8 as primary vsf uplink
vsf member 1 link 1 8

#specify vsf domain
vsf enable domain 1

#reload the switch, after reboot check vsf status
show vsf
show vsf link
show vsf member 1

#on Core-2 get mac address and model
show system

#provision core-2 as standby... all commands still done on Core-1.. #aka commander. Switch type is model number

vsf member 2 type <switch type> 
module 2 type <switch-type> mac-address <macaddress>

#on Core-2...
#disable all interfaces on core-2,except uplink to core-1 -> core-2
config t
interface 1-7,9,10 disable

#erase config and reload Core-2 after plugging in uplink to both switches 
erase-startup config

Ubuntu Kernel Clean up

The following deletes all old kernels except for the current one in use.

sudo apt-get purge $(dpkg -l ‘linux-*’ | sed ‘/^ii/!d;/'”$(uname -r | sed “s/\(.*\)-\([^0-9]\+\)/\1/”)”‘/d;s/^[^ ]* [^ ]* \([^ ]*\).*/\1/;/[0-9]/!d’ | head -n -1) –assume-yes

Upgrading ArubaOS from a USB port

If you have a small (less than 8 GB) USB drive available, upgrading AOS can be done via the USB port on a wireless controller. For the USB’s file system, FAT32 is an option for Windows users.

After booting into CPBoot (the second boot prompt)

#start the usb port

usb start 1

#check if usb port is reading

usb dev
# to check if the file system is readable..
dir 1
# ex. upgrade command
upgrade 0:0 1:1 Arubaimage/ArubaOS_72xx_6.4.4.4_53338

 

Reference: Airheads How To Upgrade a controller through the USB Port

Microsoft Service Fabric – Setting up a Linux Environment

Service Fabric was officially released about a year ago with the promise that it would be ported to Linux. The first Linux port, which is a preview, is out. You can find the directions on getting it up and running here.

I was able to setup Service Fabric using Ubuntu Server 16.01 LTS running on Virtual Box. A few notes about this Service Fabric release:

  • Allocate plenty of disk space. Running the service fabric cluster and installing everything (Azure CLI, Service Fabric SDK, Cluster Manager, OS) is 6.7 GB on my main user partition.
  • Starting the server cluster does take awhile, about 4-5 minutes on my machine. You have to wait a few minutes after the script finishes setting up.
  • The Yeoman Generator seen in the demo, azuresfcsharp, is in the Service Fabric SDK.

.NET Core – Compiling applications for multiple platforms

Modify project.json

"frameworks": {
  "netcoreapp1.0": {
    "dependencies": {
      "Microsoft.NETCore.App": {
        "version": "1.0.1"
      }
    }
  } 
}
"runtimes": {
     "win10-x64": {},
     "osx.10.10-x64": {},
     "ubuntu.14.04-x64": {}
   }

From the CLI run:

dotnet restore
dotnet build -r win10-x64
dotnet build -r osx.10.10-x64
dotnet build -r ubuntu.14.04-x64

dotnet publish -c release -r win10-x64
dotnet publish -c release -r osx.10.10-x64
dotnet publish -c release -r ubuntu.14.04-x64

Reference: Self-Contained NET Core Applications

Upgrade Mobility Controller / ArubaOS from the CLI

It’s not completely obvious that upgrading the partition means upgrading the OS on the controller. Use this if the Web UI gives you an error about running out of space.

To upgrade partition 0 in enable mode:

copy tftp: <IP ADDRESSS> <FILENAME> system: partition 0

Example:

copy tftp: 1.1.1.1 A800_3.4.2.4_23915 system: partition 0

Other useful commands

dir

show storage

show memory

Airheads Thread