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    Sunday, April 1, 2018

    Watchguard is amazing to work for too! Networking

    Watchguard is amazing to work for too! Networking


    Watchguard is amazing to work for too!

    Posted: 01 Apr 2018 12:51 AM PDT

    Praise Watchguard!

    Posted: 01 Apr 2018 12:58 AM PDT

    Hi All,

    It is Barry the Bestbuy Guy here!

    Let's take a moment to give praise to Watchguard for not only accepting me to a temp position at their Best Buy Watchguard diversion but also for being the best product known to human kind and also possibly aliens.

    Share your story about how Watchguard has improved and/or saved your life!

    submitted by /u/the-packet-thrower
    [link] [comments]

    Announcing 1.1.1.1: the fastest, privacy-first consumer DNS service

    Posted: 01 Apr 2018 06:33 AM PDT

    FortiGate Firewalls Mining Bitcoins

    Posted: 01 Apr 2018 01:50 PM PDT

    A new discovery has been made that allows you to mine bitcoins using hidden commands on a FortiGate. I know quite a few MSSPs that deploy FortiGates for IDS/IPS, so this could be a great new revenue stream for them.

    Sauce

    submitted by /u/packet_whisperer
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    Utax 256i scanner via Vlans

    Posted: 01 Apr 2018 03:44 PM PDT

    Hi,

    I have an issue that i can't figure out and solve about scanners. At my workplace we have Utax 256i scanners on a different vlan (vlan 50: 10.37.35.x) configured with proper static ip, subnet mask, default gateway and smb & ftp ports are permitted by the firewall. The clients are on another vlan (vlan 10: 10.37.16.x) and taking IP from DHCP server.

    Before Vlan structure every single pc were able to scan and send files from utax machines to the dedicated folders on pc via FTP port or SMB port but system didn't worked after applying Vlans.

    My network is controlled by main branch and Vlan structure has been applied by them on Cisco switches. I only configured the scanners' static ip, subnet mask and default gateway parameters as they said and gave. Scanning didn't work. System worked only if the machine is configured in same vlan with clients.

    I asked main branch network department to look to the FireWall logs in case it rejects or close the ports for SMB or FTP but they said it is ok. I tried everything (change the static IP, change the SW port etc) but nothing working.

    Is there any solution you could offer me to solve this?

    Thanks in advance and sorry for my English.

    submitted by /u/1nclias
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    New to CWDM, few questions

    Posted: 31 Mar 2018 11:21 PM PDT

    CDWM newbie here with a few questions. Did my best to google and look at old posts.

    Background: I'm getting 2 strands of fiber to create physical diversity around an existing fiber path. Goal is to dual home a few more things across this new secondary path and will need more fiber than available. Passive CWDM seems to fit the bill.

    1. I'm looking at a 8 channel passive mux (https://www.fs.com/products/43099.html), what would happen if a noob new guy accidentally replaced a colored SFP with a standard LX SFP on a channel by accident? Are there optical filters inside the mux that prevent it from affecting the other channels?
    2. Is CWDM okay to use on a multi jumped fiber path? Total distance is about 3 km.
    • Got about 6 sections of outdoor fiber that will be patched together via patch panel (within link budget given attenuation and insertion loss along the way)
    • Example: Switch w/ CWDM SFP | —— OSP —— | CWDM MUX in key building | —— OSP —— | patch | —— OSP ——| patch | —— OSP —— | patch | —— OSP —— | patch | CWDM MUX in data center | Aggregation Switch w/ CWDM SFP
    • My only concern is that some wavelengths may have issues or more attenuation on some of the OSP sections. I guess this is where I should use an optical spectrum analyzer to test the entire CWDM wavelength? I can get it OTDRed and put a light meter on it.

    That's all I can think of so far. DWDM is not necessary right now, just trying to keep it simple. Thanks everyone!

    submitted by /u/tacoagua
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    Cisco 3750g console with rj-45 cable

    Posted: 01 Apr 2018 12:38 PM PDT

    This subreddit does NOT allow:

    ANYTHING ELSE

    Apologies if this rule isn't an April fools joke, but I have a question that isn't related to watchguard.

    I have a cisco 3750g that I got from work, and I need to configure one of the ports to be a trunk port. I have the serial to rj-45 console cable, but I don't have a computer with a serial port. Is it possible to use a standard rj-45 port on my mac to connect to the switches console?

    I can't put the switch in express set up because I don't want to take it offline. Also, it appears to not have an accessible ip address, so I can't use the web console.

    submitted by /u/kcuf
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    MPLS Router Not Able to Ping/TFTP to Remote Network

    Posted: 01 Apr 2018 11:15 AM PDT

    I have a bit of a curiosity. I recently did an MPLS switch-over which I had to change some BGP, route, and interface changes. Since I have made my change, I can still SSH into the router. But, from the changed router, I am unable to ping/tftp into one of our remote networks. All devices behind the router are able to ping the remote network. For some reason only router is unable to ping devices in the remote network. To make it stranger, all devices in the remote network are still able to ping the router. Wondering if anyone can point me in the direction of something I might have missed.

    submitted by /u/Neggly
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    Issues with passive DWDM setup when adding channels

    Posted: 31 Mar 2018 04:38 PM PDT

    We have a 50km DF run between two sites that we are using in a passive DWDM setup with colored optics. For the past couple of years we have had 10x10g channels active and everything was working fine. Recently we tried adding two more channels, however, when we did that we started seeing CRC errors on some of the existing ports. The basic layout is as follows

    +-------+ +-------+ | |---->EDFA------------>| | | MUX | | MUX | | |<------------EDFA<----| | +-------+ +-------+ 

    My knowledge of optical networking is extremely limited and I am kind of at a loss of what to look at to troubleshoot this issue. One thing I considered was that we could be running into issues with dispersion and I was wondering if adding a DCM to the mix might help. Has anyone run into a similar situation or do you have any suggestions of things I should be looking at? Also, if anyone has any recommendations for good reading material covering optical networks to get me up to speed I would appreciate it.

    submitted by /u/opticnoob
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    Need input on the Checkpoint 56xx series firewalls

    Posted: 31 Mar 2018 08:18 PM PDT

    We currently have a Watchguard XTM 515 and our sister company has a Checkpoint 4600 that they really like. And they are keen to move to a newer & larger device from Checkpoint. VPN management & traffic rules are key to them. It would be better on the long run if we all standardize on the same platform so I was thinking of going checkpoint as well.

    We currently have a 600mb connection (around 100 users) and will be bumping it to a 1GB soon enough.

    The Checkpoint 5100 is in our budget range, but the Data sheet on that model lists both "Ideal Testing conditions" and "Real World". Big difference between the two. (speed of 1.34gb vs 250mb with Threat prevention enabled).

    I currently have around 70 rules, IPS, and Web/Content Filtering enabled on the Watchguard (but no antivirus/apt sandbox etc). Would the Checkpoint 5100 be able to handle a similar config on a 1gb connection without choking?

    • Update: I really do appreciate all this info. Good or bad. Looks like the 5100 won't fit, ok, going by the Data sheets, the 5600 would be minimum then? Or? Not sure if I can convince them to look at alternatives. You know I was really happy with WatchGuard, but am willing to take one on the chin for the common good of the company. I will just have to do a cost analysis once I've narrowed done the model and see if it is really worth it. I had originally budgetted $5-25k cdn for my Firewall upgrade. I saw some things that where $90k+ Lord help me.
    submitted by /u/noobinator2000
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    Making Networking Labs to Teach?

    Posted: 01 Apr 2018 01:21 AM PDT

    Hey everyone,

    Sorry if this is off-topic, but I'm totally spinning my wheels at work. My boss tasked me with making network labs for our CCNA/CCNP courses. I'm pretty good/sadistic at injecting "educational" config errors, but I'm not sure the best way to deliver the labs. With my budget it'd have to be license-free, so I was thinking GNS3. But my boss doesn't want students running GNS3 locally because it's too much effort for them (and our support staff). So I need a solution hosted on premises or in the cloud that can quickly spin up and tear down topologies on demand. Any ideas are appreciated.

    submitted by /u/PCMR_Newb
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    need help for patching cat6 cable

    Posted: 01 Apr 2018 06:12 AM PDT

    there is a building with 3 nodes. 1 node is for modem router and the rest are for clients. the cable which is used is cat6 sftp and still not patched. should i use same pattern for all of nodes or should i use A/B pattern? the pattern i want to use is 1.white orange 2.orange 3.white green 4.blue 5.white blue 6.green 7.white brown 8.brown is it correct for all of them? and my second question is i've bought some RJ45 sockets for cat6 . it seems these are bigger than cat5e sockts and not fitting properly in LAN ports or i have to use force for fitting. is it usual? any solution?

    submitted by /u/miladsa89
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    Can someone explain this to me please?

    Posted: 31 Mar 2018 08:47 PM PDT

    I'm not a professional network engineer. But I've been in IT for a long while. I started back at school a couple of years ago with intentions of getting an MBA to advance my career.

    On my way there, I run into this:

    https://imgur.com/a/kdibo

    This is from a class. I asked the professor. He said there is nothing wrong with the problem. He tried explaining it, but I didn't understand.

    I admit I have limited skills in networking. So, there maybe something I'm missing.

    EDIT:

    Here is a snip from the textbook supplemental material, which is where this problem came from.

    https://imgur.com/a/H4EFv

    A part of me is annoyed that this is what the school I'm going to is doing. The other part of me doesn't care and just wants to get through this class, which was a complete cakewalk up until I ran into this.

    submitted by /u/dnietz
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    Watchguard Spotlight!

    Posted: 01 Apr 2018 12:49 AM PDT

    Most amazing products of 2019

    Posted: 01 Apr 2018 12:53 AM PDT

    Website of the year? Yes

    Posted: 01 Apr 2018 12:52 AM PDT

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