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O switch está funcionando. Por que precisamos agir?

Vulnerabilidades em equipamentos de rede · Artigo 1 de 6 ·  Roberta MartinsHá alguns dias, abri a porta de casa com a chave errada. A porta abriu. A chave ficou presa.Quando examinamos a fechadura, descobrimos que ela estava desgastada. A chave certa...

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Roberta01 by • Level 3
  • 125 Views
  • 7 replies
  • 4 Helpful votes

Cisco Expressway MRA with let's encrypt issue

I have a Cisco Expressway deployment configured for both WebRTC access and MRA phone registration.I'm experiencing an unusual issue depending on the certificate used:With a self-signed/OpenSSL certificate: MRA telephony service works correctly, but W...

Webex - Calling dock not showing numbers since latest update

Hi, Since the latest version started rolling out last week. We have multiple users all facing issues where the calling dock is not showing the number in the area it used to. Attached screenshot should and previously has shown the number of the callin...

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ECUT-IT by • Level 2
  • 232 Views
  • 4 replies
  • 0 Helpful votes

Resolved! Cannot restart CAR DB

CUCM 14....   When attempting to look up CDR using the CAR interface, customer gets a pop up saying "Last run of CAR loader is interruped..." Cannot find anything about this situation, so we attempt to restart all the CAR services.  That went fine un...

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FMC virtual Firewall Management

I'm unable to download the new Firepower Management Center virtual upgrade software. (No entitlement) I was able to download all prior to my license expiring. I went with a new vendor and now I'm only able to download the FTD software but not for the...

djohns777 by • Frequent Visitor
  • 107 Views
  • 1 replies
  • 0 Helpful votes

OpenDNS DoH returns RCODE 5 (REFUSED) for multiple domains

Hello,We are investigating unexpected DNS resolution behavior observed on November 10, 2026.We tested the OpenDNS DNS-over-HTTPS endpoint at doh.opendns.com/dns-query.We sent A and AAAA queries for the following domains:smmtouch.comsmmtouch.storedev....

Jrogor by • Community Member
  • 71 Views
  • 0 replies
  • 0 Helpful votes

Cisco ISE & Entra ID

Hello community,I need help in a case that requires integration between Cisco ISE and Entra ID for dot1xAt the moment ISE uses a certificate authentication profile which checks if the machine (PC) provides a trusted a certificate and also if it does ...

Free NetFlow Analyzer

Dear All, can someone please suggest me a free NetFlow analyzer to monitor the traffic utilization of ISR 4K series router.

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