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About JohnBRoark

  • Title

Profile Information

  • Location
    Abingdon VA
  • Interests
    Photography, Videography, Networking, Computer Systems, Broadcast
  • Biography
    I'm from SWVA. CCNA R&S working on my CCNA: S. Right now I bus tables at Red Lobster.
  • Occupation
    Network Engineer

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  1. So do the rest of those hosts on the unmanaged switch still have network access? As far as switches go, you should really look into building it out a bit better than just daisy chaining switches together. The best idea for this kind of topology would be for you all to have a nice big beefy switch act as your distribution layer switch, then you can plug all of your hosts into the smaller access layer switches that all connect to that distribution switch. The idea is that if one of those switches fail it has a smaller failure domain. Look into the cisco three tier architecture scheme. If you wan
  2. Don't open a DMZ on your home network. Try a different router on the same network if you have one, if that fixes it then your router is just broke. If its still messed up with a different router then its gotta be your local ISP or something else further down the line blocking it.
  3. Awesome! I'll be right out of High School when I'd be going there, looking to apply for any colleges in the area if I do go through with the move. In all honesty I hate the whole netacad stuff, especially when packet tracer doesn't work half of the time. I got my knowledge from actually putting my hands on Cisco routers and seeing how I could break their proprietary protocols and outdated stolen operating systems. I know all my schools are using old Meraki controlled access points which have some gaping vulnerabilities, like I'm talking root access. What I've been slowly working on
  4. I'll let you know, I do now have the manager there for CPOC and I know a guy that used to be in tandberg who works for cisco now in TAC (I'm not sure about his name but I know he's canadian and speaks french, that's about all I remember haha) that can answer questions for me to if I have any. It'll be a couple years before I can work down there, I do need to get my Cisco certs and finish Highschool of course, I'm looking to get a degree here before I move too but I might not- just depends on what opportunities I'd have two years from now. Thanks for letting me know though! I'll keep my eyes on
  5. Sounds great man, I'll have to see about it- it's definitely an option. About anything would be better than where I am at currently, though. Nothing to do here in small town Abingdon VA. Though, this Systems Tech program at the trade center here is the only reason why I was able to get to go to this. Its an official Cisco, SkillsUSA, and CompTIA sponsored class and the students are always competing nationally in networking and computer repair, sometimes getting first and second nationally. I think thats pretty significant considering they're so ridiculously underfunded for everything (the only
  6. Well, WPS is unbelievably breakable. There are dozens of guides out there on how to break WPS security, and from what I know it isn't done through making the router restart at all. Its just a super outdated protocol.
  7. Now from what I understand WPA2 is still vulnerable. If you capture the four way handshake when someone connects to the network wireless, you can crack the hashes and get the password (just hoping it isn't too complicated). From what I remember, aircrack-ng can do this just as long as you have a machine with wireless capabilities. It has to be set to the broadcast id of your target router, and with the right commands it can be set to find a host once someone logs into the network wireless. At this point, it'll grab hashes from the handshake. Though, I really am not very keen on wi
  8. Yeah uh, I use their 35 1.4mm on my Fuji X-T1 for almost everything. Here's some recent concert work I did with only my 35 https://www.flickr.com/photos/137054472@N04/shares/Bj1476 Its a real good lens, I recommend it. What are you doing though? Like, what kind of photography really interests you? No one lens can fit every photographer's needs but, I can probably give you some ideas.
  9. So you're trying to guess a WiFi password? What kind of security standard is it using? If its WPS then you could break it in seconds. WPA/WPA-2 is a little different.
  10. Yes ^^ You guessed it. This was the facility in Raleigh NC (second biggest Cisco campus I think?) and this was the lab in there. The girl giving me the tour said it could be anywhere from $100,000,000 in that room alone, all the way up to half a billion. From what I remember, she said something about being in charge for all of CPOC either nationally or globally. Either way its all pretty neat stuff. To be honest, from the area I'm in most of the engineers are usually dissatisfied with their Cisco equipment. Insecurities, crazy prices just for the name, proprietary standards, vulner
  11. A big part of the tour was their "unified communications" technology stuff. About how they basically bought all the competition and have like eighty something percent of the market share. Most of it is really expensive conference room stuff (the one in the picture there is about $1,000,000 per unit), though there were some reaally neat desktop solutions. I know the president uses this stuff, so does NASA on the ISS (its only like 256kb/s per display [1080p hd] so it works well with their shitty satellite uplink they have in there) Also got to learn about their digi
  12. Labeled by cable type. All the orange, blue, and red are all fiber optic. Blue, purple, and yellow are all cat6a I believe. They're all split into sections, one long rack might be named Peanutbutter for example, and then there are several sections in each rack. Its much easier to remember "We need x in peanutbutter a2" instead of "We need x in 06 a5" or whatever. Pretty interesting stuff the way they had all that laid out.
  13. It is a Lab though. I was there, they explained exactly the way all this stuff was. Its so ridiculously expensive because they need to have almost every single piece of equipment in there you can imagine, and if they don't have it they'll order it- no matter how expensive. Along with all the miles of fiber optic in that room alone.
  14. Well, none of these systems are permanent. Not a single server has been in one place in those racks for more than a few weeks. The more permanent rooms (I saw one where TCP/IP was first developed) are much, much more clean and quiet. More precise cable making and management (most of it's fiber btw) takes up lots of time for the engineers that are already on a tight schedule.
  15. Here's the shots I was able to take from the private tour. Wish I could've taken more but I was a little busy when I was there. This stuff is obviously really sweet. This is the kind of lab where a network concept gets built for multi-million dollar contracts. DOD, Navy, Huge Banks, Apple, and some other customers come here pretty often. Its made to present solutions to issues brought up to Cisco, the entire facility only except one contract every three weeks. A few other shots are from a big huge international lab where they do all kinds of things, very few peopl