Networking

Resolved! Wireless Profile with mixed EAP types

HiWe have a Cisco 9800/Cisco Lightweight network. The main wireless profile is used by devices that are a mixed of managed (Intune) and BYOD and runs 802.1x EAP-PEAP using Cisco ISE 3.3 for AAA services. I have been asked to roll out EAP-TLS for th...

Cant get 1 Vlan to work on a third switch

I've inherited a small network with 3 daisy chained switches and 1 meraki fw.There's 4 vlans on the meraki fw. (LAN 1, staff wifi 20, guest wifi 30 and cctv 50).Everything works fine across all 3 switches apart from the cctv vlan.That vlan works fine...

vSmart , vBond : admin password change

This is regarding changing the vBond and vSmart admin password.Our SD-WAN environment is up and running for many months now.As per our security guidelines it is necessary to change the admin passwords of vBond and vSmart.I would like to know the belo...

AMA - 2026 IOS XE Software Security Hardening update

Welcome to the Cisco Community Ask Me Anything conversation. Submit your questions from Monday, August 17 , 2026 through Tuesday August 31, 2026. Our experts Saikat Nandy and Prashanth Bargur Hanumantharayappa will be waiting to assist you and resol...

Route Reflector design principles

I’ve often seen the recommendation to configure Route Reflectors with transport connection-mode passive, so that the RR clients always initiate the TCP connection.Is this considered a common best practice in large production networks? If so, is the m...

Managing HTTPS Traffic from Browser Based Tools Like indown.mobi

A discussion point I wanted to raise with the network architecture community around how enterprise network designs should account for browser based social media utility tools that marketing and content teams use regularly as part of their workflow. T...

C8000v: Day 0 config using Custom Data - initial bootup feature set

Hi, i'm would like to achieve zero touch, standalone c8000v router in Azure, using Terraform and Day 0 provisioning via Custom Data property. I am following this document: https://www.cisco.com/c/en/us/td/docs/routers/C8000V/Configuration/c8000v-inst...

9300 to replace cat 4500

Hi,we want to replace the next setupInternet - FW -(p2p)- CAT4500 - several switches + vlansforInternet - FW - (p2p) - 9300 - several switches + vlansThe p2p is a /30 network between FW and core switchTo achieve the above the have regiesterda a switc...

ISR 4331 Failure no lights no console no fans

I unplugged the ISR and when I plugged it back in and turned on the power nothing happened. No lights, no fans, and the device is unreachable over serial.

Check service C9300-M, C9200-M, or the new C9350

I understand that when purchasing licenses with co-termination for Meraki MS switches, TAC and RMA services are already included.I would like to know if this applies to the C9300-M, C9200-M, or the new C9350 switch series, or if a separate support pa...

Domain clients behind Meraki AutoVPN can't do secure DNS dynamic upt

Quick honest note: I put this summary together with the help of an AI, because we ran a lot of advanced packet captures and low-level troubleshooting that's a bit beyond what I'd normally do on my own. So if some of the wording sounds very "clean", t...

Implementation of EEM During a Failure

We are using BGP on the WAN interfaces of R1 and R2.I would like to create an EEM that executes commands on R2 in the event of a WAN failure or a hardware failure on R1.I believe the best approach is to use IP-SLA on R1 to monitor ICMP traffic to the...

Resolved! Besoin de l'image Mobility Express pour AIR-AP3802I-E-K9

Bonjour,J'ai récupéré un point d'accès Cisco Aironet AIR-AP3802I-E-K9 d'occasion (pas acheté auprès d'un revendeur, aucun contrat de support associé à l'appareil). Il tourne actuellement en image CAPWAP (Cisco AP Software, ap3g3), confirmé via show i...

Resolved! EEM: Multiple Syslog Patterns

Is it possible to configure EEM to execute an action whenever any one of multiple syslog messages matches a pattern? I would like to know if it is possible to write syslog patterns using an "OR" condition.

Resolved! Upgrade ISR4451/4351 from 16.6.4 to 17.12.4b

Hei all, I was trying to find any information about this upgrade path through release notes, but it is lacking any information about steps in the upgrade. I was also getting through some forum topics already posted and went through few. It would be g...