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nfvis reset password catalyst 8200-ucpe-1N8

hello,We loose  some of the admin password from our  catalyst 8200-ucpe-1N8 ( used for teaching in  university courses). I try to reset them :- first try on boot to access bios but "nfvis" ask for CTRL ALT DEL to change bios password. I use a serial ...

pouchougpro by • Community Member
  • 3447 Views
  • 3 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
  • 124 Views
  • 1 replies
  • 0 Helpful votes

MAC Address issue on Cisco c9300

Can anyone explain why a burned-in MAC address might deviate from the logical numbering scheme? Typically, the MAC addresses for a switch’s ports begin with a base MAC address and increment in sequence, corresponding to the port numbers. In our case,...

Tec1do by • Community Member
  • 522 Views
  • 17 replies
  • 1 Helpful votes

Resolved! C9800-40 ROMMON upgrade 17.7(3r) to 17.12(1r)

Please advise and give me your opinion:I need to perform a ROMMON upgrade from version 17.7(3r) to 17.12(1r) on a C9800-40. The guides say that I must use the command reload and not reload slot x, which means both WLCs will restart, not just the one ...

can't start a new sandbox

Sandbox: Catalyst 8000v — 20261110183044Environment: https://stackautomation.cisco.com/DevNet/environments/sa8VMYbPgeYY/ios-xe-cat-8kv/ios-xe-cat-8kv-sandbox?silent_login_idp=cisco&silent_login_account=DevNet#dashboardStatus: Terminate FailedSince: T...

r1035372 by • Community Member
  • 65 Views
  • 0 replies
  • 0 Helpful votes

Problem with SFP-10G-ER, C9300-24S and C9300-NM-8X

Hi everyoneOur SFP-10G-ER modules aren't recognized as supported by a C9300-24S with C9300-NM-8X. According to the compatibility matrix, they should be compatible.We tried workarounds I've found for similar errors, like cold-boot the switch several t...

cjaras by • Community Member
  • 292 Views
  • 7 replies
  • 0 Helpful votes

Instagram

My Instagram account is locked behind an authenticator-app 2FA code. I originally set up Duo Mobile when I subscribed to Meta Verified. I cancelled Meta Verified and later deleted Duo Mobile. I know my Instagram password and I am the owner of the acc...

Resolved! Regression in show ap summary output on Catalyst 9800 (IOS-XE 17.15.5)

Hello Community,I’ve noticed a change in how the Location field is displayed in the "show ap summary" command on the new IOS-XE 17.15.x compared to 17.12.5.Setup for comparison:Production: Catalyst 9800-40 running 17.12.5 (Works as expected).Lab/Test...

LenarFA by • Level 2
  • 5236 Views
  • 23 replies
  • 0 Helpful votes
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