vPC

Can somebody please explain me the vpc concept.

How to do a password reset on an FMCv300

Is there a way to recover the credentials for an FMCv300?  The individual who managed the FTDs/FMC left the organization and the folks that are supposed to now manage the environment cannot find the FMC credentials.

9800 Dynamic Vlan

I test dynamic vlan on my WLC 9800 with cisco ISE. When the client successfull authenticate to ISE then the client will get vlan 101 to the client, but why the client not getting ip address? Vlan 101 already add to the flex profile On the client mon...

3850 Switch issue

Hi Team,I have an issue related to cisco switch with model WS-C3850-48P. Its become factory reset when we restart it...its version sw-version:16.09.06 Switch Image: CAT3K_CAA-UNIVERSALK9 INSTALL. Please suggest

Switch synchronization delay

We have a stack of IE 9320 switches as mentioned below:1) IE-9320-26S2C2) IE-9320-26S2C3) IE-9320-24P4S4) IE-9320-26S2CAll are in stack and in install mode and running IOS-XE 17.12.05When we power cycle switch 3 and switch 4 in the stack, it is takin...

which iOS to use for a new switch stack

We are setting up a new stack of switches & would like to know which Switch iOS for a C9300 / C9300xCisco recommended mention 17.12.05 which dates back to March 2025, but there is 17.15.4 dating Aug 2025.The article itself dates to July 2025appreciat...

Users anonymous.

Guys,I have several anonymous users in my controller who appear connected to various Access Points. The network uses RADIUS to authenticate users who are in the AD, and there are no users with the name 'anonymous' in the AD.Can someone explain to me ...

Public CAs reducing TLS certificate valid life to 47 days

A customer sent me this a short while ago: https://www.digicert.com/blog/tls-certificate-lifetimes-will-officially-reduce-to-47-days I'm offiically horrified by this.  The only Collab product that even sort of supports certificate automtaion is Expre...

Exablaze Exadisk FX1

Dear Community,We recently received a donation of Exadisk FX1 cards, but cannot find the Windows drivers for them.I know that Cisco purchased the Exablaze company, and I wanted to know if they might have the drivers for these units.All Exablaze sites...

unable to dial by extension from webex to cucm

hi guys, just wondering if you can shed some light pls.  because we are trying to migrate from cucm to webex site by site. we need to have all site users  /numbers in inactive state in control hub except the site of users who are migrating.  we notic...

Enhanced CDR API for Webex Calling

On October 31st, we announced in the developer API change log about a new API callled cdr_stream.   The API changeling announce a new method for Enhanced CDR access via the cdr_stream API. Do we have documentation and more info on this new API featur...

Cisco NFVIS for Unified Communication Manager

General Availability of Unified Branch (1.0)

We are excited to announce the General Availability of Cisco Unified Branch, a transformative solution designed to unify and simplify branch network operations while delivering robust security and AI-powered management. What is Cisco Unified Branch?...

C9800 WLC - Can secondary IP subnets be used for client VLANs?

Dear all Does anyone know if it is possible to use multiple (secondary) IP Subnets for a wireless client VLAN on the C9800 IOS-XE platform?With AireOS WLCs that was not supported and we had to use either one (primary) subnet per client VLAN/dynamic i...