Activity in Technology and Support
How to configure port monitoring (SPAN) on a Catalyst 2940, 2950, 2955, 2970, 3550 or 3750 series switch
ResolutionYou can analyze network traffic passing through ports by using Switched Port Analyzer (SPAN). This sends a copy of the traffic to another port on the switch that has been connected to a SwitchProbe device, another Remote Monitoring (RMON) p...
Unable to register FMC 2700 Version 7.4.1(build 172) with on-prem SSM
I am registering fmc with on prem ssm but fmc is throwing "An error occurred when registering the system with smart licensing cloud"I am using my own internal CA issued certificate for browsing (8443) and product registration (443) as well. I am able...
A new Generally Available MX Security & SD-WAN firmware is now available
A new Generally Available MX Security & SD-WAN firmware version is available. Firmware MX 26.2.3 was released on 2026-09-01 and has been in this firmware category since 2026-09-01 UTC.
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...
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...
SG300-10MP Console not working
Hello everyone,I recently acquired a Cisco SG300-10MP from a second hand electronic store and was trying to setup it up for my home lab. I am relatively new to all this and ran into a problem trying to connect the console via PuTTy. For the session ...
Umbrella and Palo Alto Global Protect
Does anyone have a issue with Cisco Umbrella and Global Protect VPN were it does not pass along the user or dns information and put them in Default Policy and it block there access
service meraki connect source interface ?
How can you define the source interface of "service meraki connect" on a Catalyst switch you want to use for cloud monitor (Or cloud managed device config or what ever its called today).Its easy if you have a access switch with just one L3 interface ...
Color restrict
Hi,I am trying to understand the behavior of the restrict command.For example, HUB has two colors: mpls (restrict) and biz-internet. Spoke has two colors: mpls and biz-internet (both restricted).Will hub try to establish tunnel/BFD session over biz-i...
WS-C3650-8PC-S -frequent hung| Down
Hi All,We have been experiencing frequent switch hangs and downtime on the WS-C3650-8PC-S switch.Observations:Power supply has been checked and is functioning properly.All switch LEDs remain stable, but the device is not reachable via ping.After a re...
Resolved! Can't access Cisco EWC 9120AXE-I outside vlan
Hi all!I have a Cisco AP 9120AXE-I EWC with Gi0 IP address 172.16.252.25/24 (vlan1501). It's connected on a switch trunk interface with native vlan1501. That switch connects to a distribution switch which has the default gateway 172.16.252.1/24 in vr...
PVE Cluster on UCS C220-M8S out of box, Enough?
The vics would be dedicated to a active passive linux bond and a couple HA sync segments. The handful of vm's would boot off a NetAPP NFS cluster for offload. All vlans would be redundantly attached to 2 TOR switches. The CIMC's would be standalone ...
Meraki routing issue between multiple hubs when also using BGP
Hello everyone,We have 10 Meraki MX's (different models at different sites), all configured as hubs. We had to enable BGP on one hub for connectivity to other company systems that would otherwise be unreachable (or use too many static routes to manag...
ISR1100 support for INSTALL mode upgrades
Hi,has anyone been able to upgrade ISR1100 using the install mode? i tried to upgrade couple of devices and get the below error on all, was able to upgrade as bundle mode oksame file and verified the mdf5 is correct too. install_add_activate_commit: ...
Mediatek MT7925 WiFi7 NIC - MR56 sends "Status code: Association denied due to requesting STA......"
Im currently troubleshooting a new laptop that cannot connect to MR56 AP.Its clear that it fails association from packet captures, the AP responds with:"Status code […]: Association denied due to requesting STA not supporting all of the data rates in...
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