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. I would like to ask help with an issue I have:I have a WS-C4507R+E Switch in production. It runs Version 03.05.01.E RELEASE SOFTWARE (fc2) as seen in Figures 1 and 2.Figure 1: show inventoryFigure 2: show versionThis Switch won't allow me to s...
Hello, new to the forms and Cisco in general hopefully I am directing my question in the proper location! I have set up a small network in my apartment enabling multiple VLANs and L3 rules in an effort to isolate traffic from each VLAN as desired. I ...
Hello, We currently have a pair of Nexus 5Ks configured in a vPC domain (vPC Domain 10) and used as access-layer switched. This pair is uplinked to a core server (C6509 VSS) that's used for FHRP for all of the servers farm ESXs/Servers. We are consid...
hello,i have a switch C2960CG-8TC-L and i wanted to use it, i've tried to set it up and in meantime i've thought it would be a nice idea to update the software, so i did.originally i was using C2960c405ex-UNIVERSALK9-M and i've update it with c2960c4...
I'm trying to migrate an existing QoS configuration on a router to a 9300. On the router I have this: class-map match-any class1 match access-group 101 class-map match-any class2 match access-group 102 class-map match-any class3 match access-grou...
As shown in the figure, Catalyst 9500 Switch and log server are installed in Cybersecurity Operation Center. I need to buy a switch to transmit syslog in each system, but I don't know what switch would be best. (The place marked multi-layer switch in...
Hi, I am more familiar with trunks on Meraki in which you have the ability under the option for "Native VLAN" to set "Drop Untagged Traffic" so that only tagged traffic traverses the link and anything else is dropped. How would one set this up on non...
Hi there , I have connected two laptops in a switch , but I don't know why this two can not comunitate. I have changed the ip address, I have putted the laptops in the same VLAN . If I ping the switch from any of this two devices the switch respond b...
Hi everyone,In Packet Tracer I have 8 Cisco 2960 switches and lots of devices in my topology. I have 5 VLANs: 11-15. I have a 2620 Cisco router with 5 sub-interfaces: fa0/0.11-15 configured with encapsulation dot1Q and assigned to the VLANs respectiv...
Hello Experts, I am currently facing an issue with etherchannel loosing connectivity with VMWare ESXi 6.7 host server. This is the new setup.So I have got 2 C9300 series switches (C9300-48UXM-A and C9300-48P-A) stack together. And 2 gig ports from C9...
Trying to turn off errdisable (don't need an explanation of why errdisable is good, I get it) for a provider loopback scenario that's causing the port to go down. Attempted 'no errdisable detect all' and 'no errdisable detect cause security-violation...
I want to build a 9300 stack. I currently have a single switch online with the following:Technology Package License Information:------------------------------------------------------------------------------Technology-package Technology-packageCurrent...
Hi, I have tried to create a simple tunnel between two directly connected P2P WS-C3560-24PS switches in the PT but somehow it does not work. However, I could create a tunnel between any two Cisco Routers using the same settings. Appreciate for some a...
I can't open cisco packet tracker in any way. This error appears after installation. Please help to fix this problem.
Hello, I have a few stacks of 2960s operating normally but I see the following sporadic STP messages on some of them: Root Changed for vlan XXX: New Root Port is StackPort4. New Root Mac Address is aaaa.bbbb.cccc (Stack-Hostname-4)Root Changed for vl...
