Activity in Technology and Support
FlexConnect site tag over 100-AP PMK limit, causing CAPWAP flaps?
Looking for a sanity check on a possible FlexConnect scaling issue before making changes to our site tags.ENVIRONMENTWLC: Cisco Catalyst C9800-L-FSoftware: IOS XE 17.18.4aSingle WNCd384 APs across nine school buildings10 site tags, with 146 APs in th...
Cisco IOS: Stateful inter-VLAN access with NAT and ACLs
Hello Cisco Community,I am looking for guidance on implementing stateful communication between two internal networks on a Cisco IOS router.The requirement is to allow connections initiated from one network to another, including their return traffic, ...
CAPF Certificate Regeneration in CUCM
TVS SSL Handshake Failures and Thread Exhaustion After CAPF Certificate Regeneration in CUCMI would like to share a troubleshooting experience involving Cisco Unified Communications Manager (CUCM), where the TVS service started experiencing repeated ...
Cisco Jabber for Android over MRA
Cisco Jabber for Android over MRA: MediaSense Recording Works, but Finesse Agent Login FailsI would like to share the results of an interoperability test performed in a Cisco Collaboration environment using Cisco Jabber for Android registered through...
False Positive: Domain Blocked by OpenDNS
Our legitimate business website, segretogroup.com, is currently being blocked by Cisco Umbrella/OpenDNS as a phishing site.The domain previously hosted a WordPress website that was compromised. That WordPress installation and the old hosting environm...
How to Choose and Place Network Devices?
Hello everyone!I am studying enterprise network design and working on a diploma project based on Cisco's three-layer hierarchical network architecture.I would like to understand how network engineers decide which types of network devices are needed i...
Directly connected subinterface cannot ping each other
So, I was practicing TLOC extension at my SD-WAN lab on EVE-NG and I spent around 4 hour to troubleshoot this strange issue. The issue is directly connected subinterface cannot ping each other. They are both connected to GigabitEthernet4 physical int...
Windows logon take more time than expected........
Guys.we are in some strange situation, we are seeing Windows logon for one site is taking around 4 to 5 minutes if there is cisco ise for authentication, if we bypass the ISE its not the same behaviour.We are not seeing any authentication issue on IS...
Why use Layer 3 switches at the distribution layer?
Hello everyone!I am studying enterprise network design and working on a diploma project based on Cisco's three-layer architecture.I would like to understand why Layer 3 switches are commonly used at the distribution layer instead of routers.Both devi...
NFVIS for UC
Hi, I am interested in the NFVIS for UC hypervisor that was announced last years. Does anyone know when this is actually going to be available? I saw a document that said support for UC would be in version 4.18.1 but I cannot see anything about such ...
Delayed offer with CME
Does anyone know how I can configure CME to signal a registered 3rd party SIP device using delayed-offer ?It seems CME uses early-offer exclusively.I have one phone (CP-7841) and a 3rd party IP Speaker.Both are registered with CME.I am trying to call...
Cisco MRA Issue
Hello,I am experiencing an MRA login issue with Cisco Jabber when connecting from an external network.MRA was working properly on Expressway version 14.0.0. However, after upgrading to newer releases (the latest 14.x version and version 15), I can no...
Equivalent catalyst switch to CBS350-24XTS
Hello There is any Catalyst model that have (12 x RJ45 + 12 x SFP+) as same as CBS350-24XTSAppreciate your help Thanks
Resolved! Expressway Acme Failed
Hello all, im facing an issue when deploying expressway with let's encrypt i get the error message : ACME deploy operation failed: Certificate validation failed.Version 14.0.7
Upgrading catalyst 9300 stack to 17.15.x
Hello team,We are planning on upgrading our cisco cat9300 switches from 16.11.x to 17.15.xThey are currently running on BUNDLE mode, we plan of changing it to INSTALL mode and proceeding with the upgrade.However, I found that there is a bug ID: CSCwh...
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