Activity in Technology and Support
Technical question on networking
Hi,I am new to networking, but I have a question about setting up a home lab to learn routing and switching. I would like advice on whether I should prioritize real hardware or if GNS3/Packet Tracer is sufficient for hands-on learning.
Trouble using Break Key sequence to access ROMmon on a Cisco Router
Use Space Bar to simulate Break Key Sequence Read this article if you are trying to generate a Break Key Sequence to access ROMmon, and the Break Key sequence does NOT seem to make it to the router.Today, I needed to access ROMmon on an IR1101 Indust...
SMTP endpoint not working
On the Meraki platform I've setup a SMTP target pointed at the Microsoft O365 direct send endpoint for our org but it's failing with the following error (I've changed out the IP address - the actual error has our email address in it):- { "output": ...
Unable to add Crypto host_key add host - Host not found in /root/.ssh
Hello, i have configured a Sftp server as repository but i'm unable to add the Crypto host_key add host <server ip/fqdn> on the secondary PAN and MON and PSN.The cluster is made of Primary PANSecondary PANPrimary MONSecondary MONPsn1Psn2 on the prima...
ISE - Account Lookup
Hello,We are in the beginning of an ad migration that uses ISE as it's NAC solution. I'm labbing it up and i've hit an issue.AD Environment:lab.com is the forest rootsub.lab.com is the child domainWe are migrating computers in the sub.lab.com to the...
Limit authentication requests per network device on ISE
Hello all, Is there a way to limit the authentication requests per network device on ISE?We already use "Suppress Repeated Failed Clients" under RADIUS but this applies per endpoint.If an attacker generates hundreds of different mac addresses, ISE is...
/api/v1/devices/${serialNumber} returns no information for CW9162I
/api/v1/devices/${serialNumber} returns no information for Meraki Cisco Catalyst 9162 access points (CW9162I) We are using following Meraki APIs: 1) To get list of all the devices in an organization (CW9162I device is also returned along with other M...
IOS-XR NCS-57B1: IPv6 Reachability problems
TL;DR: After migrating from ASR9Ks to NCS-57B1s (IOS-XR 7.10.2), four IPv6 PNIs to the same provider flap across four different devices. ND stays REACH, but IPv6 echo and BGP TCP/179 stall. Clearing the IPv6 neighbor cache brings it back for ~4–5 min...
ISE EAP-TLS with Hybrid-Joined devices
Hello! I am currently working on a proof of concept for EAP (or PEAP)-TLS Wi-Fi authentication using the following elements:All devices are Windows 11 machines that are hybrid-joined. Both User & Devices certificates are successfully issued via Intun...
control connection between vsmart and c-edge showing down
In my environment the control connection between vsmart and c-edge is showing down, handshake sate. With control connection with vm and vb is fine, also no packet drop or issue in isp link as all bfd session like 233 are showing up only control conne...
Cisco ISE Guest Accounts Duration Time
Dear community: I have the following question: I need to change the maximum duration of the guest account in an ISE 2.7, and I need to know if that would cause service unavailability and if we would need to restart the services. I have reviewed the d...
BFD Tunnel Failing with other sites (Single TLOC Broadband Site)
Dear Community,I’m facing an issue with a single-TLOC Cisco SD-WAN branch (Catalyst 8200/8300 on IOS XE 17.15.03, vManage 20.15.03) where the WAN Edge fails to establish BFD Tunnels with other sites even though it can reach the Cisco-hosted Controlle...
SD-WAN Unlocked: Your Guide to Catalyst Success
Join us for the Cisco Catalyst SD-WAN Expert Insights Series—your essential resource for mastering the fundamentals and best practices of your Catalyst SD-WAN solution. Whether you are new to SD-WAN or need a refresher, this four-session series guid...
Getting Error events on ISE diagnostics "AD connector Operations" tab
Hi All,I noticed many error events are occurring on "Operations -> Reports -> Diagnostics -> AD connector Operations" tab. These errors are getting cleared automatically within 1 or 2 seconds. It happens randomly on all nodes but not at the same time...
IE-3300 not loading startup-config from SD-flash
We have a number of IE2k, IE4k and IE3x00 switches installed on our production sites. One of the benefits are easy replacement of faulty switches by operations personnel, without networking knowledge, by moving SD-flash card to the new switch. During...
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