Activity in Technology and Support
Resolved! The DHCP database could not be locked. Please retry the command later
Hello, I have this error message on my c4507R: "The DHCP database could not be locked. Please retry the command later" Since I found out the all commands of dhcp disappeared from running-configuration, so I just wrote them again and it started work...
L2VPN EVC Services and Options
Hello, everyoneI've been studying EVCs for the past few days and there are a lot of things that you can do with the received VLAN tags. You can pop a tag, you can pop two tags, you can push tags, and even translate them.I've used all of these options...
email verification
I cannot access my badges and awards page as it prompts me to have my email verified first. I have tried multiple times but I have never received the verification link. Admin please assist.
GA firmware release 18.1.8.1: STP fix for MS150 and 130X/R
Switches - MS software versions MS 18.1.8.1 changelogImportant alertsMS130-24(P) switches will reboot twice during the upgrade process when transitioning to MS 18.1.8 (or later) from MS 18.1.7 or earlier. This behaviour is expected, and is not indica...
c9500-24y documentation vs real life
Hi,I was configuring from scratch a C9500-24Y stackwise setup. It worked; we powered it off (not yet time for the production move).At one point we powered it on, to check something. I work remote so I have helping hands locally. For some reason i was...
Providing WiFi Coverage to a floor in old building without LAN access
Dear All,we need to provide wifi coverage for data loggers in a floor of an old building with thick outer limestone walls.We only have power outlets in that floor to provide for power for an AP there but there is no network sockets and it is not poss...
GRE Tunnel Enters Recursive Routing State When OSPF Is Enabled
Hello everyone,I am building an enterprise network in Cisco Packet Tracer 8.2.2.0400 and I encountered a repeatable issue when enabling OSPF directly on GRE tunnel interfaces.The GRE tunnels are operational and their destination addresses are...
Difference between USGMII and USXGMII and why USGMII is better than SGMII/QSGMII
Difference between USGMII and USXGMII: USGMII is used for 8x10M/100M/1GE network ports, with each port maximum speed of 1GE. USXGMII-Single Port version can be used to support ONE network port with 10M/100M/1G/2.5G/5G/10G data ratesUSGMII is used f...
NCS 540X password recovery.
Hi Team, RP/0/RP0/CPU0:MPLS_Router_02#sh version% This command is not authorized we are unable to perform any command to NCS 540X Router. And Also unable to recovery password. RP/0/RP0/CPU0:MPLS_Router_02#admin% This command is not authorized Please ...
HA/SSO and Mobility: Redundancy Design that Survives Failover
Welcome to the Cisco Community Ask Me Anything Event Welcome to the Cisco Community Ask Me Anything conversation. Submit your questions from Monday, September 14, 2026 through Monday, September 28, 2026. Our experts Shree Hari AB and Suman Sinha wi...
Resolved! issues with Serial number 9500
I have Cisco 9500-40X All commands is ok Serial NumberPIDProduct FamilyLicenseStatus all this show 9500-40Xbut I checked serial number in Cisco Site .it show 9500-16X
Cisco UCS 240 M8 Server - CIMC configured but not working
Cisco UCS 240 M8 Server - CIMC configured but not working facing the same issue in five servers. Connected peer to peer still same issue so did factory reset ping came for few seconds then again, it was not working. Does anyone face this kind of issu...
Upcoming Security Advisory Includes Meraki Products
Cisco has moved to the model of issuing a notice of an upcoming security advisory.This month's upcoming advisory will include some Meraki products:Cisco Advance Notification for Publication of October 7, 2026, Security AdvisoriesThe advisory itself w...
IOS firmware for Catalyst 2060c does not load entirely after upgrade
Hello everyone,I am new to networking and currently working toward getting my CCNA certification. I decided to purchase some Cisco hardware to get hands-on experience by building a home lab while following a course and reading the CCNA book.To make a...
CSAF and CVE Record list different affected versions for same advisory
Hello,I am comparing the affected version lists published by Cisco in two formats forthe same advisory, and I consistently find a difference. I would like tounderstand whether this is expected.== Example 1: cisco-sa-asa-ftd-ios-dos-kPEpQGGK / CVE-202...
| User | Helpful Count |
|---|---|
| 71 | |
| 53 | |
| 45 | |
| 36 | |
| 36 |
