Activity in Technology and Support
Resolved! telephony service unavailable
Hi everyone,I’m having an issue with Cisco Unified Communications Manager. Suddenly, adding or modifying any IP phone has become a problem—especially the 8865 (and several other models are affected as well).I’m currently running CUCM System version: ...
upgrade cucm 12.5 SU1 to 12.5 SU5 get stuck
HiI am upgrading myupgrade cucm 12.5 SU1 to 12.5 SU5 The process go fine but get stock without any error messageThis are the last log01/18/2026 04:34:57 post_upgrade|Calling /root/.security/ia/GEN002480|<LVL::Debug>01/18/2026 04:34:57 GEN002480|Obtai...
Cisco 3750X stuck in ROMMON– Flash errors, USB not detected, boot fail
Hello Cisco Community,I am troubleshooting a Cisco Catalyst 3750X (WS-C3750X-48PF-L) that is stuck in ROMMON mode and fails to boot IOS.Current state:The switch stops at the "switch:" prompt and does not boot automatically.Observed behavior: dir flas...
ISE - Anomalies - License Type
IntroductionAffected ProductsSummaryConclusionReferences The Portuguese version of this Blog can be found at: ISE - Anomalias - License Type . For an offline or printed copy of this document, simply choose ⋮ Options > Printer Friendly Page. You ...
AsyncOS 16.0.4 build 016 released 01/15/2026
Looks like AsyncOS 16.0.4 build 016 was released - which should address CVE-2025-20393 ? Skimming the release notes, I don't see "CVE-2025-20393" mentioned, nor CSCws52505, nor CSCws36549 in the linked "issues resolved links" but I'm assuming this r...
I configured eWC on my C9120AXI but encountered a problem where the Ac
I configured eWC on my C9120AXI but encountered a problem where the Access Point sometimes joins and sometimes doesn't. Jan 17 14:42:15.989: %SYS-5-CONFIG_P: Configured programmatically by process SEP_webui_wsma_http from console as admin on vty0 J...
ISE 3.2 P7–Context Visibility reset impact
Hi all,We are running Cisco ISE 3.2 Patch 7 (6 nodes, no dedicated MNT).We’re seeing an issue where not all endpoints imported via API from an external identity source are showing up in Context Visibility.Cisco documentation suggests resetting and re...
will a device passively learn ARP entries from broadcast traffic?
Hi all!Scenario: A LAN with three devices(A,B,C). Device A sends an ARP broadcast and device B receives it, but B is not the traget IP, and B currently has no ARP cache entry for A.My question is: will device B ignore this ARP, or will it create a ne...
Cisco Prime 3.7
Hi, I have an old version of Cisco Prime and needs to upgrade to 3.10. I am unable to find 3.7. If anyone has 3.7 prime, can you please share it? Thanks, Dijesh
Private overlapping addresses
When merging two companies with private overlapping addresses … what are the options besides re-ip one whole company? Double nat? What else have you seen? Any cloud based solutions/services that can help in this setup?
Secure boot enabled on Cisco UCS server
Hi, I need some advice. I’m running a UCS C220 M4 that has never been updated since I’ve owned it; the server is still on 2.0.x.My problem is that when I boot from a DVD-R (because it gives a weird error when trying to boot from USB), it shows:Secure...
Console/ Vnc connection error for Desktop
I am new to CML and have been trying to set up an IP address for my end user (desktop). For some reason, whenever I start the desktop and try to open console it just hangs... Same for Vnc. I then get server errors and have to manually close down my V...
Catalyst Center - CLI Template and Network Profile observations
Hello,I've been working to prep Catalyst Center to deploy approx 15 IOS-XE routers, of two different models, to 15 different locations, using Catalyst center. I've been working with various ways to prepare the environment for deployment (we're using...
OpenDNS not showing custom logo
OpenDNS not showing custom logo
Cisco Guest Portal is not working when Internet is not working
Cisco Guest Portal is not working when internet is not working. But my guest portal is hosted in Cisco ISE (PSN) which is internal and DNS server as well.
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