Activity in Technology and Support
Proximity can't use the microphone
Hi!I can't connect to our projection systems via Proximity. Proximity says 'Finding video systems' then reports 'Your microphone is not working'. The problem is specific to one computer as my old compute worked without any issues and other computer a...
Cisco 9606 - C9600-LC-48YL jumbo frame problem
Hi,we do have migrated our Cisco 6807 to cisco C9606R.we are in version 17.12.5.Since we have migrated we have a problem with Hitachi server Hearbeat connected on C9600-LC-48YL line card.we have the following configuration :NAME: "FiftyGigE1/1/0/20",...
Network Outage – Unexpected High CPU on Cisco Catalyst Switch
Hi Cisco Community,Last week we faced an unexpected issue in our network. Users were complaining about slow responses and intermittent outages. On checking one of the Catalyst switches, CPU utilization was spiking around 95-99%.Steps we tried:Checked...
do we need to configure DNA license on cisco 8300 if we are not using
Hi, we have new purchased catalyst 8300 router with network-advantage and dan-advantage(mandatory). For initial setup, do we need to configure dns license under exec mode. We are not using DNA center to manage the devices. Currently I just run the fo...
Week 5: Preventing Loops – Spanning Tree Protocol (STP)
Hello Cisco Community!Redundancy is great! Until it creates loops. That’s where Spanning Tree Protocol (STP) steps in!In this week’s session, I dive into how STP protects Layer 2 networks from broadcast storms, how the root bridge election process wo...
cisco ios xr multicast
We are currently facing an issue while trying to configure MVPN on a Cisco NSX540 running IOS XR. Our goal is to establish multicast VPN (MVPN) between PE routers. We have followed Cisco’s configuration guides and ensured that both unicast routing an...
Cisco SD-WAN Service-Side Subinterfaces MTU
Hello,I have a doubt on ROAS configuration on Service Side VPN in Cisco SDWAN.-Cisco documentation says to set either the MTU of the parent interface of the subinterfaces to 1504 bytes or other people say to set the MTU of the subinterfaces to 1496 b...
C8300 IOS-XE 17.15.4c SMU update
Good day team\collegues!Today I've upgraded cisco C8300-1N1S-6T to 17.15.4cIt has been deployed on 29th September https://software.cisco.com/download/home/286324476/type/282046477/release/IOSXE-17.15.4cI've converted to INSTALL mode and next is to in...
AWS Direct Connect - MACSEC - C9500-24Y4C - Not working- Status: INIT
TEST-N-C9500-SW1#sh mka sessionsTotal MKA Sessions....... 1Secured Sessions... 0Pending Sessions... 1====================================================================================================Interface Local-TxSCI Policy-Name Inherited Key-S...
Unable to Create Multiple WLAN Profiles with the Same SSID
Hi everyoneWe’ve noticed a limitation in Catalyst Center when working with 9K WLCs — it doesn’t seem possible to create multiple WLAN profiles that use the same SSID. (The SSID-name needs to be unique) This functionality is currently available both i...
How to interrupt command line output on ASA ?
How to interrupt command line output on ASA,I try to press "Ctrl + C" ,but no response .
Resolved! L2 to L3 Network design in datacenter using eBGP
Folks, We are running EVPN/VxLAN in our fabric and now time to scale so I am thinking to run FRR daemon on all the linux servers and peer them with TOR leaf switch using eBGP and create full L3 end-to-end network. It allow me to remove LACP from swit...
Resolved! Cisco 4351 with three ports and one connects to the internet.
I am recently retired from IT, with NO routing experience, so don't be surprised if I say something anything that is incorrect. I'm working on a home lab to isolate my experimentation from the rest of the house and I have a problem - my Cisco 4351 ha...
Let's Encrypt Certificate automation?
Hi, It's currently already possible to assign a Let's Encrypt certificate to Expressways (and I guess also for CUCM, etc), by manually requesting a certificate using zerossl.com for example. However, I see Cisco is one of Let's Encrypt's Platinum don...
Resolved! Cisco Catalyst Center - Image Update
Hello,I was wondering, whether the Cisco Catalyst Workflow for upgrading images on switches like Cat9300 series consider delta check between running and startup config prior to pushing the upgrade.Otherwise, the delta check has to be considered as ma...
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