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    Tuesday, May 31, 2022

    Cloud-based filtering solution for guest wifi Networking

    Cloud-based filtering solution for guest wifi Networking


    Cloud-based filtering solution for guest wifi

    Posted: 31 May 2022 09:11 AM PDT

    Hi, I'm in the market looking for a cloud-based content filtering solution, primarily to block the usual stuff and if possible create rules and limits for guest access( similar to Cisco ISE). We would be using a separate circuit for guests. The ideal setup would be to directly offload the guest traffic to the content filter and more importantly block or get updated with all malicious traffic. Don't need any fancy reporting or API just a simple UI to config and maintain rules would be good.

    Solutions that i looked into so far: cisco umbrella, titanhq, dns filter.

    Apologies for any mistakes in the above content. Please help. Cheers!!

    submitted by /u/darkbringer10
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    Is there any way I can identify if two networks with different SSIDs(2.4Ghz and 5Ghz) originate from the same AP(router)?

    Posted: 30 May 2022 11:23 PM PDT

    I am currently analyzing the network packets using Wireshark in Monitor mode.

    submitted by /u/the_unknwn_introvert
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    What are the best ways of connecting with people working in the networking field?

    Posted: 31 May 2022 11:50 AM PDT

    What are the best ways of connecting with people working in the networking field? I'm trying to expand my scope of people I know in the general network tech industry as much as possible.
    Are there good message boards out there other than this subreddit? For reference: I'm looking to talk with people who have experience in the field as network admins or system admins. I know there can be a lot of overlap in the fields, as a lot of companies don't hire people for each specific role, so it doesn't have to be simply cut and dry. Thanks in advance for any help!

    submitted by /u/rezos312
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    Trouble getting device state information with NETCONF and yang models

    Posted: 31 May 2022 05:26 AM PDT

    EDIT - I think I found my answer - added it at the bottom
    Apologies if this is a bit obtuse, I'm trying to wrap my head around this. I want to get state information from a device running IOS-XR 6.6.3 using NETCONF and yang models.

    I can connect to the device via python using ncclient and from there I can see a list of capabilities:

    from ncclient import manager with manager.connect( host='myrouter', port=830, username='username', password='password', hostkey_verify=False, look_for_keys=False, allow_agent=False, timeout=600) as m: capabilities = m.server_capabilities for capability in capabilities: print(capability) 

    When I do this, I get the output of the capabilities, some are URLs, some are URN

    urn:ietf:params:netconf:base:1.1 urn:ietf:params:netconf:capability:candidate:1.0 urn:ietf:params:netconf:capability:rollback-on-error:1.0 urn:ietf:params:netconf:capability:validate:1.1 urn:ietf:params:netconf:capability:confirmed-commit:1.1 urn:ietf:params:netconf:capability:notification:1.0 urn:ietf:params:netconf:capability:interleave:1.0 http://cisco.com/ns/yang/Cisco-IOS-XR-segment-routing-srv6-datatypes?module=Cisco-IOS-XR-segment-routing-srv6-datatypes&revision=2015-11-09 http://cisco.com/ns/yang/Cisco-IOS-XR-spirit-install-instmgr-oper?module=Cisco-IOS-XR-spirit-install-instmgr-oper&revision=2019-08-24 http://cisco.com/ns/yang/Cisco-IOS-XR-segment-routing-ms-common-cfg?module=Cisco-IOS-XR-segment-routing-ms-common-cfg&revision=2015-11-09 http://cisco.com/ns/yang/Cisco-IOS-XR-segment-routing-ms-oper?module=Cisco-IOS-XR-segment-routing-ms-oper&revision=2017-09-07 http://cisco.com/ns/yang/Cisco-IOS-XR-policy-repository-oper?module=Cisco-IOS-XR-policy-repository-oper&revision=2017-09-22 urn:ietf:params:xml:ns:yang:ietf-yang-types?module=ietf-yang-types&revision=2013-07-15 <shortened and edited list to save space> 

    Here's one of my issues - I'm not exactly sure how to further leverage these capabilities and use them to get info from the device.

    In watching tutorial videos, the teacher will often provide an example of how to use a given yang model to get state information for a specific item.

    For example:

    netconf_filter = """ <filter> <interfaces-state xmlns="urn:ietf:params:xml:ns:yang:ietf-interfaces"> <interface> <name>GigabitEthernet2</name> </interface> </interfaces-state> </filter> interface_netconf = m.get(netconf_filter) 

    I understand in the above that I am using "urn:ietf:params:xml:ns:yang:ietf-interfaces" yang model to get the interface state of a specific interface, but what if I wanted to use another model listed in the capabilities? can I put the ULR in place of the urn? Like this:

    netconf_filter = """ <filter> <(not sure what to put here) xmlns="http://cisco.com/ns/yang/Cisco-IOS-XR-segment-routing-srv6-datatypes?module=Cisco-IOS-XR-segment-routing-srv6-datatypes&revision=2015-11-09"> </(not sure what to put here)> </filter> interface_netconf = m.get(netconf_filter) 

    Also, in the first example where I am trying to get interfaces-state for GigabitEthernet2, how can I modify this to get the state for ALL interfaces? So many of the tutorials I see show how to filter to get just specific data, but what if I want to get EVERYTHING. (And yes, I realize that is a LOT and not the normal use-case, but I have a use-case and need everything)

    ##############################################

    I think I found my answer after working on it a bit more, leaving my question up in case someone else has the same issue.

    So, I took one of the capabilities listed by my device:

    http://cisco.com/ns/yang/Cisco-IOS-XR-procmem-oper?module=Cisco-IOS-XR-procmem-oper&revision=2017-09-07 

    and I pulled out the part

    module=Cisco-IOS-XR-procmem-oper 

    I then went to [YANG Catalog search](https://yangcatalog.org/yang-search) and searched for the name of the module.

    That brought my to [this](https://yangcatalog.org/yang-search/module_details/Cisco-IOS-XR-procmem-oper) page. That provided me the name space that I needed to include in "xmlns=blahblahblah" and when I clicked on the schema link I found

     container processes-memory { 

    This tells me that I need to start and end with "processes-memory ". If I leave everything blank in-between, I will get all the leaves and data in-between.

    In the end, my new filter should look like this:

    netconf_filter = """ <filter> <processes-memory xmlns="http://cisco.com/ns/yang/Cisco-IOS-XR-procmem-oper"> </processes-memory> </filter> """ 

    To get all this operational info from the device, my code will look like this:

    from ncclient import manager from pprint import pprint import xmltodict netconf_filter = """ <filter> <processes-memory xmlns="http://cisco.com/ns/yang/Cisco-IOS-XR-procmem-oper"> </processes-memory> </filter> """ with manager.connect( host='myrouter', port=830, username='username', password='password', hostkey_verify=False, look_for_keys=False, allow_agent=False, timeout=600) as m: netconf_response = m.get(netconf_filter) python_response = xmltodict.parse(netconf_response.xml)["rpc-reply"]["data"] pprint(python_response) 

    submitted by /u/Prophet_60091_
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    What sort of job can I look for after my current one?

    Posted: 31 May 2022 01:04 PM PDT

    Hello all. I am looking to move up in the world and leave my rural town with my wife, though my current job is a bit strange, and with the skills I've acquired from it I want to know where I should go next.

    I live in an extremely rural area. I got picked up by a private company that does Point-to-Point internet connections for a city I live near, some businesses, and rural ranchers and farmers. So I install and work on all the networking, such as routers, switches, and radios, as well as security cameras and NVRs. All Ubiquiti for the most part. I do it all. I also maintain and install the VFDs and Opto22 equipment that run the city water supply, so a lot of three-phase electrical work along with low voltage. I do automation work separately as well.

    My main issue is I have zero formal education. I never attended high school and I am maybe halfway to a general associates degree. My current role is Regional Project Manager and I've been doing this job ~3 years now. My other job is being an automation engineer for a cannabis facility where I am the Fertigation Manager, which I have been doing for over 5 years.

    Basically, I know how to do just about anything a job could realistically ask of me, but I have zero educational or certification documentations to show for it, which I think will make me a hard pass as a job candidate when viewed from a company in a city.

    What should I focus on doing to make myself more attractive as a candidate? And what job should I aim for that pays well, since I have zero coding experience? Any tips or ideas would be appreciated and I can elaborate on anything I listed. I don't know a ton of technical lingo, just a ton of practical experience. My boss said he would fire me if I started slinging "tech-bro" words around in our conversations, and that he hired me exactly because I never went to school to learn any of it.

    submitted by /u/TundraVII
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    Cisco FMC stuck re-installing the GEO db over and over

    Posted: 31 May 2022 12:40 PM PDT

    Over this past weekend, when the GEO db updated, it's now stuck in some loop where it keeps installing successfully, then re-installing a few seconds later (again successfully). I've tried restarting the FMC with no change. I've found other documentation on using 'OmniQuery.pl' but that only removes the task from the list. The install just immediately starts again.

    I'm trying to figure out of there's a way to actually kill the install job from CLI, or maybe manually running the install from the CLI. Just something to circumvent that looped installation.

    v7.0.1-84

    submitted by /u/Max-Eagle
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    Best way to showcase personal projects and progress online?

    Posted: 30 May 2022 05:24 PM PDT

    Hi Guys, I have been working as a junior network engineer for the past 6 months I have learned quite a bit ranging from setting up my lab with an old server. Self hosting a lot of things, hosting dockers, playing with gsn3 to create simulated network topologies for various images ex. mikrotik, fortinet, ruckus etc. Create vpn tunnels, firewall rules and all the things in between. I have been also heavily getting into security and practicing my network scanning and vulnerabilities scanning and playing with SIEMs monitoring my network and friend's network ( with permission ), hackthebox etc.

    - My question is how do I document all this in a way to show my progress and projects?

    - I have my own domain where I have a static site hosted but I want to see if there is any other better solution where I create simple and quick blog and write about my projects and just change the nameservers for my domain and point the blog to my domain.

    - Can I in any way utilize github? maybe put my network configs after removing sensitive IP info there/

    Appreciate any help. Thanks!

    submitted by /u/blaaackbear
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    Get client latency from web server?

    Posted: 30 May 2022 10:08 PM PDT

    This may not be the best place to post this but I'm pulling my hair out trying to figure out how this hosting company did it.

    https://fra01.latency.g-portal.com/ping

    This returns the latency in milliseconds between the client and web server from the web server itself somehow. I thought maybe they were measuring ping to the last possible hop in the route that responds to ICMP (since most routers obviously won't) but that would take longer than it does because you'd have to wait for all the hops to respond or timeout, even asynchronously.

    Does anyone have any idea how they might be accomplishing this? I have completely run out of things to Google.

    If there's a better subreddit to ask this in, I'd be happy to be pointed towards it.

    SOLVED:
    Thanks, everyone - /u/ferrybig solved this here

    submitted by /u/ersan191
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    switches with few 10G ports for small deployments

    Posted: 31 May 2022 06:39 AM PDT

    Hi all,

    I was wondering what switches you use (vendor/models ), when a customer wants a small deployment of 3-4 10G servers with dedicated switches. The environment is a datacenter selling services to enterprise customers, so we are talking about fully managed equipment with the basic enterprise features.

    For example:

    - About 12*10G ports (copper or SFP+)

    - CLI mgmt

    - VLANS

    I am looking for anything cheaper than a Cisco 9300 (8*10G) and maybe with more ports.

    thanx!

    submitted by /u/MacaronPast898
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    TCP and multiple files

    Posted: 30 May 2022 10:26 PM PDT

    I am better at trying to understand how TCP works. I feel like I have a high-level understanding of what it does and why we would use it but understanding the mechanisms is proving hard.

    If I am using TCP with HTTPS to download a few files at the same time

    How do the sequence and Acknowledgment tell the difference between the files?

    I ask since TCP sends data to the application layer in the same order.

    What I am trying to figure out is how does TCP know when one file starts and one ends?

    submitted by /u/Every-Development398
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