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    Tuesday, December 31, 2019

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    Rant Wednesday! Networking

    December 31, 2019

    Rant Wednesday! Networking

    Rant Wednesday!

    Posted: 31 Dec 2019 04:04 PM PST

    It's Wednesday! Time to get that crap that's been bugging you off your chest! In the interests of spicing things up a bit around here, we're going to try out a Rant Wednesday thread for you all to vent your frustrations. Feel free to vent about vendors, co-workers, price of scotch or anything else network related.

    There is no guiding question to help stir up some rage-feels, feel free to fire at will, ranting about anything and everything that's been pissing you off or getting on your nerves!

    submitted by /u/AutoModerator
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    Cisco Self Signed Certs

    Posted: 31 Dec 2019 10:05 AM PST

    So I am getting a little anxious, as I am new to networking and I'm not 100% certain that we don't have Cisco self signed certs.

    So I found this link and it suggests to use Cisco CLI Analyzer and run System Diagnostics, but it doesn't mention if this is a disruptive or nondisruptive.

    Is this something that can be ran during the day?

    submitted by /u/LanTechmyway
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    High inbound utilization on outside int (Cisco ASA)

    Posted: 31 Dec 2019 10:49 AM PST

    Hey guys,
    I have an ASA that I am getting WhatsUpGold notifications that the inbound utilization on the outside interface is sometimes spiking to 150 - 160%. I can see on some ASA monitoring where this is happening but I can't find anything like the Src IP. I don't see anything in the log of the ASA. Kind of new to this. Any ideas?

    submitted by /u/BigChiefLewis
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    Viptela: EIGRP on Transport VPN0

    Posted: 31 Dec 2019 06:44 AM PST

    Does anyone know if EIGRP is supported on the Transport side of Viptela? I see that they have just added it to Service-side VPNs. Also, is it supported on Vedge Devices or just Cedge devices.

    ​

    Thanks in Advance.

    submitted by /u/theITcowboy
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    Can i connect 60 Cisco IP phones directly to my Cisco 2911 router?? (I'm a beginner in Voice)

    Posted: 30 Dec 2019 11:17 PM PST

    Hi guys,

    So i am doing a project where i have 60 IP phones and 60 PC'S which i have to connect to my network

    Network:

    • Cisco 2911 router
    • Cisco 2960 POE Switch (3 x 48 ports)
    • Cisco 7960G IP phone

    Things i have done:

    • deployed cable for both PC and Phone separately (I have seen posts where it shows that one cable was enough from the switch)
    • Purchased Voice line from my provider.
    • Purchased bandwidth from my internet provider

    Confusion:

    • Can i connect my IP phones directly to my POE Switches -> Router and then NAT it to the IP given by Voice provider (IS it a good practice?)
    • Also will my internal calling be charged like extension calls?
    • IP PBX vs router what is a good solution
    • Should i get an IP PBX or my router will work fine?

    TIA.

    submitted by /u/Love_islam
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    Cisco 2960X Ws-C2960X-48TS-LL commands not recognized

    Posted: 31 Dec 2019 09:17 AM PST

    noob question here...

    I'm trying to create policy maps and class-maps

    But when I go into global config I am unable to create any of these maps as they are coming back as unrecognized commands. Is this switch able to do these commands?

    The current IOS has been updated to 15.2(7)1E1 and the SW IMAGE is c2960x-Universalk9-M

    Any assistance is greatly appreciated.

    submitted by /u/Delerius
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    ARP issue??? -need help!!!

    Posted: 31 Dec 2019 01:39 PM PST

    having the weirdest issue intermittently over the last 24 months... once a month between the hours of 8am-1pm. (basically 30 day gap between incident)
    we have a DMZ with a Windows application proxy server on i, on prem we have an ADFS server to authenticate. however our external CRM site will go down - it will become unreachable -
    we contacted our dns record host thinking it might be something on there end but they get 404 error when trying to connect to the site - so the site server is able to be contacted but nothing else works? when signed onto the WAP server you cant even connect to the crm server via browser. this lasts for 4 hours on the dot, then come right back up. this makes me think ARP, i am NOT a network guy, i know what arp is but have no arp experience. our entire network is 3-layer switches with the DMZ having its own 5port switch(which i have 0 details on)
    you cannot connect to this site from external. internal works fine. while the issue is occurring.

    we are still able to connect our webmail server and our RDgateway server, which route through the WAP server and authenticate via ADFS server. we tried changing our dns server from opendns to googledns and our own dns server, with no change.

    ive dug through the WAS logs and the ADFS server and dont see anything weird. this is huge because all of our call center employees use crm.

    any help is appreciated!

    submitted by /u/TikeSavage
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    Low cost LTE router with built in wireless

    Posted: 31 Dec 2019 11:50 AM PST

    I'm looking for options for a low cos LTE router that has build in wifi to used on US based LTE networks. Support for both AT&T and VZW in same unit is ideal, but not required.

    I'm effectively looking for osmething a little more robust than just buying an AT&T hotspot device/VZW jetpack device. I know CradlePoint is the gold standard but looking for lower price bracket where I can reliably have up to 20 wifi devices connected (although more typical number would be around 10). Primary need is to be able to establish IPsec VPN tunnel back to corporate office. Do not want something that requires any kind of subscription to manage the device as they won't be frequently used.

    MikroTik LtAP or wAP seem like they might be a good fit, but I have zero experience with them or MikroTik in general.

    submitted by /u/HDClown
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    How to find out what method was used to close a connection ?

    Posted: 31 Dec 2019 06:39 AM PST

    Given there exists a client and a server, and client does an active close using shutdown() with SHUT_RW, is there a way to find that client used SHUT_RW from tcpdump?

    submitted by /u/anubhavaeron
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