Networking

IOS XE 26.2.1 AAA/SSH failing

I've got some C1100 series routers and a Cloud C9800 wireless controller. I upgraded a couple of the C1100's and SSH connections to them are now failing. I have AAA configured with RADIUS authentication/authorization using MS NPS. The logs on the ...

IE-3100-4T2S-E input voltage absolute rating implications

I'm using a Cisco Catalyst IE-3100-4T2S-E in an outdoor industrial enclosure. For the IE-3100-4T2S-E, Cisco documentation lists:Nominal input: 12–48 VDCAbsolute input range: 9.6–60 VDC My question is: Is a 54VDC continuous input to power the switch s...

Netflow doesn't work on Catalyst 9300 switch

Hi, we have configured netflow on Catalyst 9300 switch, but seems it does not send traffics to Solarwinds. We have configured NTA for this switch. But solarwinds never receive any netflow traffics. Below is the netflow config on C9300. Can someone pl...

MX 18.107.14 - Patches for very old firmware

Executive summaryThis is a maintenance update for the MX 18.1 release family with fixes for PPPoE configuration and MX84 storage durability.Bug fixes - general fixesFixed an issue that could cause the Local Status Page to save invalid PPPoE settings ...

Resolved! Cisco 8300 Router with Vulnerabilities.

Good day Pros.We recently activated new Circuit on Cisco 8300 Router. During the (Tenable scan) it find lot of Vulnerabilities. Looks like most of them are IOS related. There are lot of other 8000 series IOS on Cisco portal but I could not find exac...

C9130AXE-E unable to join c9800-L-F-k9 wlc

Have a couple of these C9130AXE-E , not able to join the wlc , error/s DTLS Handshake Success and the Heat beat timer expiry . how to resolve this without having to console to the actual access point current wlc ios ver 17.12.7a

Seeking Advice on the Best IT Certification Path for a Career Change

Hello everyone,I'm transitioning into IT at 40 and have recently completed Cisco Networking Basics.My background is in aviation, with over 17 years of experience at Emirates. I'm now looking to build a new career in IT, with the long-term goal of wor...

SDWAN -- How the Router shift the traffic from Primary link to the sec

Hi Experts,Just looking for explanation on how the Primary cEdge SDWAN router shift the traffic from Primary link to the secondary link if Primary WAN link goes down?Lets say, we have 2 routers with a WAN link on each. When Primary link goes down the...

The router upgrade to IOS-XE SD-WAN 17.12.05a is currently failing due

The router upgrade to IOS-XE SD-WAN 17.12.05a is currently failing due to insufficient boot flash storage. The new image isr4300-universalk9.17.12.05a.SPA.bin has been successfully copied to the router; however, only ~505 MB of free flash space remai...

Resolved! wave2 controller, unable to change wlan interface.

Hi Folks,I have a wave2 controller. I have a guest wifi that is currently using the management interface. I want to change the interface to use the correct one I have created for the guest wifi however every time I do this I get the below error.The f...

Resolved! SD-WAN Configuration push

Hello, Just a quick doubt. When I hit the Deploy button in the end of the workflow in a Configuration Group in order to deploy a device, the behavior I see is that initally the operation takes longer than future deployments of the same device for sma...

Zero-Touch MACsec for Secure Wi-Fi 7 Uplinks

Wi-Fi 7 is redefining the campus experience. Behind each AP is a campus switch that provides power, multigigabit connectivity, policy, and a reliable path to digital services. C9350 Smart Switches bring these capabilities together at the wired edge.T...

Cisco nexus BGP with multi path hashing issue

In my datacenter I am running k8s cluster on bare metal and integrated cilium CNI with BGP using Cisco nexus switches. I am using etp: Local for the performance. I have assigned dedicated 5 worker nodes for my LB work to expose service IP to expose i...

Optional IPv4 Static route in Service VPN

I am using Manager version 20.15.4.4 and I am working on migrating the cEdges from device templates to configuration groups, however I am facing an "issue". while feature templates has a check box in the IPv4 Route so it is not a mandatory value per ...

Resolved! Catalyst Center upgrade from 2.3.7.11 to 3.1.6

Hello, I want to upgrade my Catalyst Center to version 3.1.6. The existing appliance is running on ESXi environment, so I had to build another VM using an OVA file. After configuring the new VM and the backup server, I couldn't restore data from back...