VCAP5-DCA – My Experience

After passing my VCAP5-DCD exam at the second attempt it was naturally time to start revising for the VCAP5-DCA exam.  I booked the exam for Monday 3rd December at the Leeds Pearson VUE training center which is currently the closest testing point where I can sit the VCAP exam.  This is a bit annoying as it's a 2hr train journey there and back.  In preparing for the exam I used the following resources (In no particular order):

VCAP5-DCA Blueprint
Professional VMware vBrownBags
The Saffa Geek website
VlacoLabs website
Home Lab

This is the first time that I've sat the VCAP-DCA style exam which involved 26 questions in a lab environment accessed via a remote desktop connection.  I'm not going to explain how this exam is setup as there are plenty of posts out there, what I will explain is what issues I encountered whilst sitting the exam:

1.  The speed of the remote desktop session wasn't the greatest.  Opening and switching between applications was very laggy and when attempting to open the supplied .pdf documentation and scroll through was unusable.
2.  The supplied username and passwords were all identical but was there any need for the sheer complexity?  Due to the stress of the exam and time allowance I found it difficult to remember and had to constantly revert back to the screen which contained the details.  A nice and simple Administrator and vmware would have been preferred.
3.  When I actually started going through all the questions I noticed a few were already completed.  Without going into too much details certain tasks that I was being asked to completed seemed to already have been completed and only involved me checking over the results.  I first noticed this when being asked to save a .txt file in a certain location and the file already existed.  After a few more questions like this I raised it with the Pearson VUE test center who said they would log it with VMware and I should complete the exam.
Once I complete the exam I was informed that I would receive my results within 15 business days (Shourly there must be a quicker way to issues results in this day and age).

10 days later during a twitter conversation with Gregg Robertson, Matt Steiner picked up on the issues I experienced and raised it with a Senior Program Manager for technical certifications who asked me to provide feedback on my experience.  I fired off the mail informing him of the issues I encountered but they were unable to identify anything.  He kindly advised that I would get my results within the 15 business days as indicated but was nice enough to put me out of my misery and advised that I passed the exam.  A few days later my official results notification arrived in my inbox.

All in all I really enjoyed this style of exam and think a lot more should be delivered this way.  The speed of the session was an issue but nothing that you couldn't over come with a bit of patience.  I can now finally upgrade my lab from 5.0 U1 to 5.1 and enjoy and nice shiny new web interface.

North East VMUG #2

The next VMUG in the North East is taking place on Thursday 1st November from 12:30 – 17:00.  Matt Steiner from VMware has great little video about it:

http://www.xtranormal.com/watch/13669270/north-east-vmug-2-november-1st-2012

The agenda is based around Backup, Recovery and Storage and the location is:

The CastleGate
Melbourne Street
Newcastle
Tyne and Wear
NE1 2JQ

The full agenda is as follows:

12:30 - Registration and Networking Lunch. Enjoy some sandwiches and refreshments; meet today's sponsors Veeam and NetApp, your local VMware team and network with the VMUG committee and other members.
13:20 - Introduction from VMUG committee.
13:30 - VMware Presentation – A technical update from VMware's lead Business Continuity/DR consultant, Lee Dilworth who will provide a deep dive on vSphere Replication (now standard in vSphere), SRM 5.1 and vSphere Data Protection.
14:30 - Networking Break – Meet the sponsors and ask questions at the VMware genius bar.
14:45 - NetApp Presentation – A talk and demo around storage considerations for backup and DR.
15:15 - Veeam Presentation – A talk and demo around Veeam backup and recovery solutions.
15:45 - Networking Break – Meet the sponsors and ask questions at the VMware genius bar.
16:15 - vNews – An update with the latest news from Barcelona VMworld.
16:50 - Wrap up: An interactive Q & A session with the VMUG committee (bring your smartphone!) and raffle draw.
17:00 - Close and vBeers (Bridge Hotel)

If you need anymore information then feel free to reach out.

RouterBOARD – Logging

The logging functionality within RouterBOARD is pretty impressive.  The log can be viewed from the main menu:

In order to configure new logging you need to go into System –> Logging.  By default the following errors are logged:

Logs can be sent to the following Actions (Locations):

Disk

When the disk option is selected then logs are stored on the local hard disk.  The local hard disk is around 61MB in size with around 31MB free (This can be viewed by going to System –> Resources).  You can amend the log to local hard disk options by clicking it and changing the required parameters:

Echo

Not too sure what Echo is but I’m assuming it echo’s the log to the CLI.  Anyways, the following options can be changed for echo:

Memory

Memory refers to the flash memory of the device.  This is roughly around 60MB with 45MB spare (This can be viewed by going to System –> Resources).  You can also change how many log lines are stored in memory to store more data:

Remote

The final option is remote.  This refers to a remote syslog server where you can configure the IP address and port number:

You can log a variety topics which include firewall, account, info, email, dhcp etc etc.  I wanted to log all firewall traffic that was being blocked.  To do this simply go back to the logging option and click the Red Plus sign under the Rules tab:

In the Topic section add Firewall and then select where you want to log the data to.  In my case I’m just logging to memory.  You can also prefix some text to all firewall entries so you can easily identify it if you want.  Once finished simply click Apply:

Your new rule to log firewall traffic should be visible:

In order for the firewall to start logging traffic you need to add a firewall rule to tell it to log traffic.  To add the rule simply click IP –> Firewall and set focus to the Filter Rules tab.  By default there are 4 rules in place.  The first rule allows ICMP (Ping) traffic on all interfaces.  The second and third rules allow established and related traffic and the final rule blocks everything else:

To add a log rule simply click on the red plus to add a new rule.  Click on the General tab and set the Chain to be forward and the In. Interface to be your external gateway (Where the internet is connected to):

Click on the Action tab and set the Action to be Log and then also set a log prefix if you want and then click Apply

The new rule should appear in the list of rules.  Simply drag the rule to where you want it to take affect.  If you want to see all traffic including allowed traffic then drag the rule to the top of the list.  If you only want to see dropped traffic then drag it just above the drop rule:

To see if in action click on the Log button and you should dropped traffic starting to appear.

VCAP5-DCD – My Experience Part 2

After failing my very first attempt at a VCAP exam, namely the VCAP5-DCD exam, I re-sat it again today in Leeds.  In my previous post I wrote about what I used to prepare for the exam and that design isn’t really my day to day job but it was something that I wanted to improve on hence preparing for and taking the exam.  This time around I used exactly the same material but made tons of notes along the way.  I can also recommend the following video by Scott Lowe and TrainSignal:

I’ve put a copy of my notes in my dropbox account so if you want grab a copy then click here (Please excuse all spelling and grammatical mistakes as this was mainly for my use).  You’ll be glad to know that I passed the exam this time around.  It was closer than I’d like but a people always say, a pass is a pass.  I think I’ll take the weekend off and then start the VCAP5-DCA which hopefully I should find a little easier.

RouterBOARD – Connecting an external antenna

The external antenna can be connected to the RouterBOARD RB751G-2Hnd via the MMCX connector at the front:

 

The part that you need can be found here.  You can either connect the antenna to the MMCX connector and leave it dangling or you can actually fit it into the casing, which is extremely easy to do.  To fit it into the casing take the RouterBOARD casing apart with a flat head screwdriver from the bottom.  Once apart you will notice the cover which can be peeled off revealing four slots:

Simply choose a hole to connect the antenna to and push out the slot.  Carefully put the sticky cover back on and cut out the hole with a knife or screwdriver:

It doesn't need to be neat as the antenna will slide over the edges.  Once you have cut the hole in the cover simply feed the antenna cable through hole and back out the antenna slot hole and connect to the MMCX connector.  Replace the bottom of casing and ensure the antenna is fitted securely into the slot:

To enable the antenna log into your RouterBOARD and go to Wireless and then the Interfaces tab.  Double click your wireless interface and select the HT tab and set the Antenna Mode to be Antenna B:

RouterBOARD – Backup / Restore Config

To backup your RouterBOARD configuration log on via the Winbox and select the Files menu item:

Click the Backup button and then simply drag the file from the GUI onto your desktop.  To restore your configuration simply highlight it and click the restore button.  You will be asked to confirm and then reboot your device:

If the file you want to restore is not one the device then simply drag it into the files list and it will be copied up to the device.

RouterBOARD – Time Configuration

With all firewall devices you want to ensure the time on the device is correct to ensure accurate logging.  RouterBOARD comes with two methods to configure the time, Manual and SNTP Client:
Manual Time Setup
Log into your RouterBOARD and select System and then Clock:

Configure the correct date / time and time zone.
SNTP Client
Log into your RouterBOARD and select System and then SNTP Client:

Enable the service and then select Unicast as the mode.  This will allow you to enter a primary and secondary NTP server.  Within my settings I have configured it to pick up it’s time from 93.184.71.155 and 213.209.109.45 which are part of the pool.ntp.org servers.