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Cisco Community is an active and collaborative place to learn more about our products and ask questions of peers and Cisco experts! Check out some of the most popular conversations happening right now!

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Should I get a real-life job to learn networking?

hello good peopleI have a question, I am in the middle of learning CCNA, and I heard a lot that if you want to learn networking, it won't be enough to use the CCNA course, you should take a real job in networking.For a man like me, I am working in an...

kirito34 by • Community Member
  • 93 Views
  • 6 replies
  • 0 Helpful votes

Re: WLC9800 freezing issue

I am facing the same issue with 9800 running on the 17.12.6a version , we just lose connection to the core switch even though the link is showing up on both sides , bouncing the interface does not help.Did anyone find a solution for this

Understanding Cisco Secure Firewall Deployment Modes

                                                                Understanding Cisco Secure Firewall Deployment Modes Introduction Routed Mode Transparent Mode Inline Pair Mode Inline Pair with tap Interface Mode Passive Interface Mode ERSPAN Interfa...

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ASR1001-HX routing

Hi Experts,I am having ASR1001-HX with default route pointing to FW01 firewall. I like to create another default route pointing to another firewall FW03. As I like to migrate all the SVI's behind FW01 to FW02. As I am migrating one SVI at a time from...

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Yuvi1983 by • Level 3
  • 36 Views
  • 2 replies
  • 0 Helpful votes

Clover Point of sale not connecting to 9105 AP

Has anyone seen this before? The point of sale terminals made by Clover in a restaurant have no trouble connecting to an outdoor 1552 AP that is ran off a 5508 WLC running 8.3 train of code, but it can’t connect to to a 9105AXI connected to a 5520 wl...

Alex-Pr by • Level 3
  • 6344 Views
  • 16 replies
  • 0 Helpful votes

D342 Duo Release Notes for June 19, 2026

Hello everyone, and happy Juneteenth to readers in the US! Here are the release notes for our most recent updates to Duo.Public release notes are published on the Customer Community every other Friday, the day after the D-release is completely rolled...

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DuoKristina by • Cisco Employee
  • 67 Views
  • 0 replies
  • 0 Helpful votes

Resolved! 2802i AP blank NAND, how to recover?

I recently acquired a lot of second hand 2802i access points. It appears that one of these APs has a blank NAND flash chip. AP boot loops at U-Boot until I break into U-Boot with escape key. Upon checking "nand info" nand 0 is seen, and checking "ubi...

Brobbins87 by • Community Member
  • 7198 Views
  • 32 replies
  • 0 Helpful votes

Invalid profile returned error banner message

 VPN Profile does not stay connected. Getting following invalid profile returned banner Message. VPN connects for few seconds and gets disconnect with timeout error even Yubi USB key is connect to device . Also on ejecting Yubi key from Standard Lapt...

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Nitin Singh by • Community Member
  • 73 Views
  • 1 replies
  • 0 Helpful votes

Azure Packet Fragmentation

Hi all,We deployed ISE in Azure back in March (version 3.3.0.430) with the following setup:- 4 x ISE servers (PAN/PSNs)- ExpressRoute from on-premise to Azure- Meraki APsWe noticed we have hundreds of clients stopped responding errors every day and w...

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