Activity in Technology and Support
Issue with Port Channel on 2960 Switches
Hello,I’m experiencing issues setting up a port channel between Cisco Catalyst 9300-M switches (managed via Meraki Dashboard) and Cisco 2960 switches.The problem occurs when attempting to aggregate links from the 9300-M (aggregation layer) towards th...
video calls not working (cisco ip phones 8865) in cisco ISR 4431
Dear Team,video calls are not working on cisco cme (cisco isr 4431). we are using cisco 8865 phones and registered in cisco 4331 Voice gateway.Please do the needful
Mab authentication in domain Unknown after network device reboot
After a network device gets reloaded, I see that the endpoints not getting to the proper domain (voice or data) but they get placed in the unknown VLAN instead. I can resolve this by manually doing a shut no sh to the interface, could the issue be re...
TCP|UDP request discarded error
Hello Everyone, I'm trying to allow access to a DVR so that I can access it from the outside using port 37777. The app on the phone is using the outside IP and port 37777, but the the firewall is showing: %ASA-7-710005: {TCP|UDP} request discarded f...
Enforcement of north-south micro segmentation policy
I have two questions that I would appreciate some help with...Firstly, has anyone implemented enforcement of north-south micro segmentation policy? If so, please share any details you can. Our deployments have nearly all been brownfield and the custo...
Cisco ISE Unauthenticated Remote Code Execution Vulnerabilities
Cisco Identity Services Engine Unauthenticated Remote Code Execution VulnerabilitiesIt stated that: "If Cisco ISE is running Release 3.3 Patch 6, additional fixes are available in Release 3.3 Patch 7, and the device must be upgraded". What the hel...
C9300 Stack query
I need to build several C9300 switches in stacks of 4. I know how to connect the data and power stack cables, but want to know the answer to the following question. Each switch has 2x power supplies. If all switches are powered up by these power supp...
Resolved! Catalyst 9300 Password Recovery
I must be blind today because I cannot find any information about this. Can someone point me in the right direction?
mac-flap; limit or tuning?
Any know how many times w/in a time frame a mac address needs to show up on two ports before a mac-flap error is logged? And is there a way to tune that threshold?We're running some ap's in flex mode, and a few handheld clients are roaming between a...
ISE 3.2 p7 iPhone CNA and Guest portal AUP page loop
Greetings all, Is anyone aware of a recent issue related to AUP page on Guest portal simply looping when AUP accepted via iPhone (18.3.2, 18.5.x) CNA? ISE is 3.2 patch 7.User scrolls AUP to the bottom, then clicks the now-active Accept button, then t...
Resolved! How are control and data traffic carried in moblity tunnels?
Hello, everyone. I've read that mobility tunnels use UDP port 16666 for control traffic and EoIP for data traffic. I've also read that if encrypted mobility is used, UDP 16667 is used for data traffic. I've also read somewhere that 16666 and 16667 ar...
Cisco HyperFlex License and VMware OEM Renewal Clarification
Hello Cisco Community, I would like to clarify a few points regarding Cisco HyperFlex licensing and SMARTnet, as well as the renewal process for VMware OEM licenses bundled with HyperFlex. We are currently using Cisco HyperFlex and would like to conf...
EAP-TLS Device Certificate for Entra Joined Devices with Intune
In my environment, we have some devices that are hybrid AD joined and some that are only Entra Joined. I'm using SCEP certificates that are being issued by a third party CA. I'm running Cisco ISE 3.3 Patch 4. I've set the SCEP profile so that there a...
ISSUE 12511 Unexpectedly received TLS alert message reject client
I am having an issue with TLS on Windows 10 Pro. When I log in to the SSID using my Active Directory username and password, it works, but then I get an error saying “Can't connect to this network.” How can I fix this?
IE3400 Ring Topoloy - CLI
Hello All,While configuring an MRP ring on Cisco IE3400 switches (non‑PROFINET, Layer‑2), I observed that the “gateway” field in the show mrp ring output, currently showing Status: Disabled.I have reviewed the publicly available Redundancy Protocol ...
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