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Joseph Phillips
Attended Wallace State Community College
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Joseph Phillips

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My first mission patches. I'm sure there will be many more as I continue to work with the team and support the ISS operations.
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+Brian Tissue I will get a set of these for each mission to the ISS because I am part of the team that supports the operations of the ISS and Russia partnership.
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On Friday, February 27, Leonard Nimoy, best known for playing Mr. Spock on "Star Trek," died from the end stages of chronic obstructive pulmonary disease. He was 83 years old, and left behind many friends and family, including his wife Susan who confirmed his death and its cause. Although Nimoy played other big roles in Hollywood, directing box-office smash movies and voicing animated characters in some of Disney's most-loved films, he will forev...
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Old 2924 I found in a conference room today and had to replace.
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+Edward Willis It stopped working. I had to scrap that marvelous piece of equipment. 
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Yep!
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Joseph Phillips

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I have been working on a project for implementing Cisco ISE in my lab at work for wired and wireless NAC. After finally getting some time to sit down and work on it, I was able to get MAB and Dot1x authenication and profiling working fairly well. 
In my previous position, I had managed an Aruba Clearpass server for wireless onboard and authentication. The concepts of Clearpass and ISE are very similar and both leverage RADIUS. The configuration of each and terminology used greatly differs. I would suggest reading up on whichever platform you decide to use.
Overall, I find Cisco ISE to be extremely complex in configuration and capabilities as compared to Aruba Clearpass. We will see how things go as I continue to test in the lab and begin to transition into a monitor mode in the production network.
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+Brian Tissue I'm not sure if it is more complicated than it needs to be or just not as intuitive as it could/should be.
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"The LEGO Movie" was a blockbuster smash, and its theme song "Everything Is Awesome" (performed by Tegan and Sara) was the kind of catchy sugar-pop ear-worm that you just couldn't get out of your head. It turns out, that catchiness isn't just limited to people - birds love it too. In this video taken at Birds on Safari, a pet store in Stuart, Florida, a yellow-naped Amazon parrot called Princess Yellowfeather sings the chorus to the aforement...
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XD haha! 😂
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I'm not found!!!
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Using Unison File Synchronizer

I have had to setup a new web server recently to separate the database from the app server and to place the web server in the DMZ. The developer that maintains the code will not have direct access to the server in the DMZ, so I had to come up with a way for him to make changes to the code and send it to the web server. My first thought was to use rsync but that can be a nightmare to setup. That is where Unison comes in to take care of the sync.

Unison can sync folders over ssh which is what I needed since the only ports open to the DMZ are ssh and database ports from the database server.  

I am going to walkthrough a simple setup to sync to folders. More detailed information can be found in the user manual from the link provided.

First,

Install Unison
sudo apt-get install unison

Next,

Let's sync folder */a** and folder /b**.*
Command: **unison root1 root2

unison /a /b

Now if you look at the contents of both directories they we be exact copies. You can set a file watcher to monitor the directories and run that command or set a cron job to run the command on a schedule. I chose to use a cron job.

To get more complex, you can set many different options from the command line or set everything in a profile file located in the .unison directory in the user's home directory. In this file you can set the roots to sync and set other options such as creating backups of files that change. Here is a sample file:

#Set_ the roots or folders to sync_
root=/a
root=ssh://user@hostname//path/to/folder
#Notice_ the "//" after the hostname. This is need to specify an_ absolute path or else the path would be relative to the user's home directory.

#Set_ other options._
owner=true _#copies__  owner_
group=true _#Copies__  group_
repeat=60 _#Runs__  the command every 60 secs_

You can call the profile by the following:
unison profilename

A note to keep in mind is that you will need to setup key logins to uses the ssh sync unattended. A guide for setting this up is here:
https://help.ubuntu.com/community/SSH/OpenSSH/Keys
Overview. Unison is a file-synchronization tool for Unix and Windows. It allows two replicas of a collection of files and directories to be stored on different hosts (or different disks on the same host), modified separately, and then brought up to date by propagating the changes in each replica ...
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I like that a lot. This would be a great way to mirror/backup. I also like the keyless feature. 
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My latest non-IT project. I still have to stain the rest, poly coat and assemble it.

FYI...It is a shoe rack.
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Recently I have been tasked with preventing one of my routers from falling back to primary after a failover event has been triggered and resolved. The logic behind this was to prevent a second outage during peak operations. The expected way for this to operate is if an issue comes up on the primary circuit, the backup circuit automatically takes over. This circuit remains in operation until off-peak hours and the primary circuit issues have been resolved.

My first thought when presented with this was that I would have to manually log into the device and disable the BGP peer. Fortunately, my Google-foo is strong! Not long after searching for ways to automate this process, I found Cisco EEM.

I read up on the features and how to implement this feature. I then built a mock network in GNS3 to test different options and the overall operation of an EEM applet. I was unable to get the complete feature set with GNS3 as the device compatibility is limited, but it was close enough to test the basics. Cisco's VIRL (virl.cisco.com) would have been better suited for this task.

With EEM, I was able to configure an applet to monitor the routing table for specific routes to be removed, which would indicate a circuit failure on either end of the path. This would then disable the BGP peer and publish a couple of events to the syslog that I would be able to search for with another EEM if needed.

I have found this to be an extremely flexible and powerful tool at my disposal. I know organizations cannot always afford to purchase the Cisco name, but features like this and the embedded packet capturing (another post for later maybe) seem to make them a worthwhile investment.

Here is a link to the EEM command reference:
http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/eem/command/eem-cr-book.html
Cisco IOS Embedded Event Manager (EEM) provides real-time network event detection and onboard automation.
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Have him in circles
26 people
Tim Edwards's profile photo
Admin Certkingdom's profile photo
Charlie Jimmerson's profile photo
Edward Willis's profile photo
James L Phillips's profile photo
Brian Tissue's profile photo
Victoria Puterry's profile photo
Brad Arnold (K4NHA)'s profile photo
selena john's profile photo
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Network Engineer
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Network Engineer and amateur developer
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  • Wallace State Community College
    CIS / networking
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