Activity in Technology and Support
Week 8: Collapsed Core - Lab
This week, we’re exploring the Collapsed Core design! A simple, efficient foundation for real-world networks. Perfect for those just starting their networking journey!Inside:Lab topologyTasks to completeThis weekend, I’ll post a full step-by-step vid...
Resolved! Mobility Tunnel Went down b/n 9800 L and 9880 anchor WLC
I encountered an issue with a working mobility tunnel went down for unknown reason and could not get it back up. The foreign WLC which is 9800 L F with 17.12.6a code version and an anchor WLC 9880 running 17.12.4 code version sitting behind a Palo Al...
Resolved! source-interface vlan ICMP
Hello. I have two questions about ICMP behavior and Fregmansion behavior. All system jumbo MTU / all interfaces / SVI are set to MTU 9216. 1. Packets are generated and processed by the ASIC (data plane) when pinged without a source When pinged to the...
Voice+Data VLAN configuration
“There is a Catalyst 1300 Series switch. Voice VLAN is 211 and Data VLAN is 200.On port Gi1/0/10, there is ‘switchport mode access’ and ‘switchport access vlan’, but there is no ‘switchport voice vlan’ command.This port is connected to a Cisco IP ph...
Changed pxgrid behaviour for FMC 7.2 -> 7.6?
Yesterday I upgraded an FMC from version 7.2.10.2 to 7.6.2.1. The FMC have a pxgrid connection to an ISE. After the upgrade i get a health monitor error to check connectivity to ISE. A test in identity sources on the FMC show no errors. Pxgrid servic...
Webex Contact Center (Engage): Images in Email Signature Template
Last summer, we implemented Webex Contact Center and created two email assets for two teams. We also created email signature templates for both teams. Sometime this year, Cisco updated Engage, and the template suddenly had a grid appearance. The BU h...
Issue with WRT300N Routing to a wired router.
I have a project here for a simple network in Cisco Packet Tracer. All connections respond when pinged, but the laptop connected wirelessly with the WRT300N router cannot be pinged from outside the network. The laptop itself can ping any other device...
YouTube.com bot warning message for Secure Access SWG
Update, May 1st 2025: We are receiving reports from customers still experiencing this issue. We are investigating and will post updates here. We are currently investigating an issue affecting YouTube.com, where users are encountering a prompt to "Si...
Error when pinging from one PC to another
I have this assignment where I need to make this work. I am new, and I've spent 5 days without understanding what I'm doing wrong and why it doesn't work. The topology must not be altered. I must use OSPF and change the addresses shown in the picture...
SDWAN VRF leaking
helloI have two VRF defined that I need to leak routes between the question I have is - can I leak individual host IP Addresses if I do not want to leak the full subnet ? VRF12310.123.123.0 /24VRF12410.124.124.0 /24
Passwordless lets you in even if AD creds are locked out
Hi We are having some issues with a FTD VPN setup where we get certain errors after authenticating but in trying again it lets you in. I have a case open with Cisco but they are very slow to respond. We found that if the user locks out their account...
Resolved! Cisco CallManager Monitoring Solutions ?
Hi All,Please could you assist in telling me the products you use to monitor your Cisco CallManager environments (not RTMT).Monitoring of :Environment healthphone registrationsCall QualityI have used Prognosis before, but it's can be rather pricey.Th...
Cisco Catalyst Onboarding - adding IP addressing
Hi,After Day 0 onboarding my switches, the config output displays no IP, Mask or Gateway info only ip dhcp client client-id ascii under the SVI.Please can someone provide a solution to remedy this?Would a simple variable Day N rectify and if possible...
Call Manager Administrator Task Monitoring
Hello Team, I would like to know if Cisco call manager can generate administrator activity and event logs and forward it to a third party application for security related monitoring purpose? Call Manager Version: 11.5Best Regards,
Tools for monitoring Cisco Unified Communications
We have the following equipment from Cisco:CUCM 8.6UnityCUPSUCCXATA187SIP gateways8945 & 8961 handsets29xx series routersW3750 series switchesDoes anyone recommend a product that can monitor all this equipment and provide us with visual indication of...
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