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...
Hello awesome community! Continuing our networking fundamentals series!This week, we’re exploring VLANs, how they help segment networks, reduce broadcast domains, and organize devices efficiently.I’ve also added a document with the VLAN commands for ...
Hi All, How is this bug impacting 94xx and 96xx module devices? If we upgrade to version 17.12.05. How long will it take to hit the switch? also, what will be the fix for this kind of issue? please help me. Regards, Anshuman
I have a one command output but i couldn't know what command for that output. please suggest the exact command for the attached image
I have uploaded the EDS file from the switch and added it to my PLC programs IO tree. No matter what choice i select for the connection i get error code 16#0126 Connection Request Error: Invalid configuration size. Has anyone here successfully used a...
Hello i am using a cbs350 core switch and 2 cbs220 switches for other devices like workstations. The cbs 220's are producing a lot of Dynamic MAC address table full (32768 entries) messages while the mac address-table is nearly empty.CBS220-48T-R211#...
What happens to the previously numbered Switch 1?
Topology:3650X server roomVLAN1 (192.168.1.x) servers, pfsense (192.168.1.1)VLAN10 (10.10.10.0) - wifi mesh main routerVLAN90 (90.90.90.0)- iDRAC2960X garage (trunk to roof end and 3960X)VLAN1 camerasVLAN10 2x wifi mesh nodesVLAN20 singular dedicated...
Good evening! I'm hoping someone can help us out with this unstable stack. For 8 months in testing a stack of 7 C9300-24UX units ran with no problems on 17.3.4 Dublin. This morning we moved the WAN, WiFi, IP phones and a Brocade switch stack over to ...
I have 2 C9500-48Y4C switches.Before I deploy them I want to make sure that everything is current and matching.When I do show version on one of them, I get this:Motherboard Assembly Number : 4873Model Revision Number : V02Motherboard Revision Number ...
PaI am using Packet Tracer to create a Lab. On NY-R1 I am not able to create the port-channel 1.10 sub-interface. Does Packet Tracer allow me to create ether-channel sub-interface? NY-R1(config)#interface port-channel 1.10 ^ % Invalid input detecte...
I'm migrating from a 4500-X VSS pair to a pair of C9500-48Y4C's.In the old config, here are some specifics:4500X#sh system mtuGlobal Ethernet MTU is 1500 bytes.under "show run" here's the vlan config:!vlan 3708name Prod-2mtu 9000! 4500X#sh vlan3708 ...
I am looking to find out the proper configuration for three ports on two 3750X switches to have an isolated network / VLAN that will NOT talk to any other network / VLAN in my environment and only needs internet access. I have two interfaces on one s...
What is going to be the easiest way to grant internet access to Voice VLAN on a Cisco 9200L?
I am attaching here one of my cisco 3550 "sh ver" and "sh vtp status" kindly let me know does this switch support extended vlan (upto 4094) RegardsMahesh
Is it necessary to change the MTU for SVL links in a scenario in which interfaces are configured with MTU larger than default 1500 bytes?Traffic could flow between chassis through SVL links in a Stackwise Virtual cluster. Could not find any reference...
