Welcome to the Cisco Community Ask Me Anything conversation. Submit your questions from Monday, February 2, 2026, through Friday, February 20, 2026. Our colleagues Amruta Navadagi, Anaya Kalawat, and Mohammad Mehtabuddin will be waiting to assist you...
I'm been fearing that this issue would arrive and it finally has. I have quite a bit of Frame, MPLS, and ATM connections all from different customers whose network I have no control over. Being able to support these customers means I have to route th...
Hello, I have a Cisco router in our office with a static IP address. In the other site I have a Mikrotik with a dynamic IP address. If I configure this way it works: interface Tunnel0 description Mikrotik tunnel ip address 10.0.0.1 255.255.255.0 no...
What does split horizon prevent? A. routing loops, link state B. routing loops, distance vector C. switching loops, STP D. switching loops, VTP Also can i have a explanation for the correct answer ?
what are the major diffrences between link state and distance vector ?
Evening techs, Can no longer telnet to router again from windows server 192.168.0.102. Was connected 4 days ago OK no problem C:\Users\Administrator>telnet 192.168.0.12 Can telnet to switch OK on ip of 192.168.0.2 Error of :Connecting To 192.168.0.12...
Hi Everyone, We a have switch in outside our server room and exposed to users. Switch-port security are enabled and unused ports are shutdown. Our concern is the outlet/s (this switch has an aggregated uplink to the core switch) where that outside sw...
hello. i have just bought 3 cisco SG220 50 ports (no POE) switches. i need to configure them on flat network without VLANs and spanning tree. is there a giude what is the "common way" doing that ? flow control ? energy saver ? etc ...
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When upgrading the firmware of network switch. it giving below error message Failed to execute the command archive download-sw /overwrite /http iosFile
Hi everybody. TI am studying a Engineer Networking degree on Collage. I would like to know best practices for implementing VLANs. I am newbie. Some questions: 1- Shoud i create a independent vlan for IT department or i can integrate it with Admini...
Hi Team, This is regarding MACSec feature on Cisco 3850 Switch, I have gone through the data sheets and understand that all Cisco 3850 series switch support MACSec feature, I tried to configure but I couldn’t get the option to create mka policy? ...
Which interface is used by default when performing a traceroute from a core switch? Is there a specific one like the MGMT interface, or does it pick the interface with the closest next hop? Just curious since it doesn't show the originating IP in the...
Hola. Buen día. So, tenemos el siguiente escenario. Toda la Red esta basada en OSPF/MPLS/MPLS-TE donde las interfaces Loopbacks /32 y las interfaces de Enlaces Backhauls /29 están enlistadas en OSPF para ser alcanzables. Luego entra en juego iB...
In Rip there is a command in router mode "default-information originate" what does it do ?
Using Linux server as SSH gateway to access 3750/3850 switches, when FIPS mode is enabled (which security guidelines stipulate) from the Linux CLI, the SSH session fails with the message "no matching key method found" Switch IOS is 15.2(4)SE...
