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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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CDP Mismatch from CDP: Why?

Switch A, Cisco 9300, VTP mode transparentinterface GigabitEthernet1/0/5switchport access vlan 3switchport mode accessSwitch B, Cisco 3560, VTP mode transparentinterface GigabitEthernet1/0/1switchport access vlan 3switchport mode accessVlan 3 (L2) vl...

ISR 4k Netflow not sending data

I've got 15+ Cisco ISR 4000's (a mix of 4331s and 4551s) in our network and when trying to setup Netflow to PRTG, It seems that when I hit 5 interfaces that need to be monitored, there is always 1 that won't come up in PRTG and that doesn't send data...

lvl3mp by • Level 1
  • 54 Views
  • 1 replies
  • 0 Helpful votes

Resolved! find license via serial number

the seller at the bazaar can't tell me the license type, he can't. he claims that I can find out the license type myself using the serial number, is that true?

Resolved! Ikev2 Ipsec Between Asa and Sonicwall

Hi team, Need help in understanding an issue faced when creating a tunnel between Asa and Sonicwall (Issue got resolved) still need help to understand. SonicWall: Phase 1Ikev2Encryption aesAuthentication sha265Dh 14Lifetime 86400 Asa: phase 1Ikev2 En...

SajeshB by • Level 1
  • 4927 Views
  • 13 replies
  • 0 Helpful votes

ASA 9.14.4.24

ASA 9.14.4.24:  https://software.cisco.com/download/home/284143129/type/280775065/release/9.14.4%20Interim 

wayfaring by • Level 1
  • 82 Views
  • 1 replies
  • 0 Helpful votes

IOS not found after factory reset, goes to rommon

Hello,I did a factory reset in my cisco switch 9200L 48 PoE, but after doing that, it seems the switch require to install new OS and there is no copy OS in flash memory. When I try to connect external USB it doesn't respond. What should I do?Here is ...

nyoni by • Level 1
  • 78 Views
  • 2 replies
  • 0 Helpful votes

BOOT FAIL C cisco catalyst 9300

When I start the switch, the text BOOT FAIL C appears in the console and the gear indicator, the system, flashes orange, tell me what to do?

Gravitecs by • Level 1
  • 127 Views
  • 8 replies
  • 0 Helpful votes

Lets figure out the U-BOOT flash procedure together. (TAC UNLOCKED)

Ok guys so i noticed on all the wave 2+ APs cisco are now using the U-boot bootloader and documentation for it is little to none. I have a good amount of experience recovering and restoring APs. When i deploy APs for clients i prefer to format the fl...

FIX A PC by • Level 1
  • 21174 Views
  • 18 replies
  • 5 Helpful votes

C9800-80 in HA cannot install APSP6

Hello everyone,I'm trying to figure out a frustrating issue. Attempting an install of APSP6 keeps bombing out and I'm unsure what steps to take next. Software: Version 17.09.04aROM: 17.3(3r)Error in question:  Dec 13 21:21:01 Eastern: %INSTALL-3-OPER...

CSCwi66726 - OpenSSH CVE-2023-51767 SD-WAN

Hello, do you have more information regading this bug? There is mentioned that the problem is fixed but there is not mentioned the fixed version. We also checked the CVE where we can see that the problem is in the version of Open SSH 8.2, this proble...

htoman by • Level 1
  • 20 Views
  • 0 replies
  • 0 Helpful votes

Unable to Access Web Server - Whats Wrong with this Configuration

ASA working in IPSec, I am able to access HQ from UNIT No problem. Internet is only allowed on specific IPs which are outside DHCP Scope. When I assign IP for internet, now Internet is working, HQ Network is accessible, but S_EXT (webserver - 10.10.1...

mfdarvesh by • Level 1
  • 97 Views
  • 5 replies
  • 0 Helpful votes
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