Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...
Forum Posts
Hello,we are looking to replace our old Procurve 3548 and 5406 switches with new C9200L-24T-4X-E switches. I am totally confused when I figure out the product specification about the SFP-10GB-SR MMF device. We still have an old MM fibre with OM2 cabl...
I just want to understand more on issue with 3850 U rebooting every 10 minutes, part of the stack - 2. Switch is eth port configured that is connected to another stack of 3850s Replaced switch but before that I spent 2-3 hours troubleshooting with se...
I have 4 Ubuntu servers that need to communicate with each other via multicast. 3 of VM's using Hyper V that and the 4th is a separate physical box. The 3 VM's see each other and not the physical box. The physical server sees none. All of them ar...
looking for some information regarding multicast for the essential vs advantage. The commands are present on essential(PIM bidir) but is at a limited capacity? I know essential is l2 and advantage is 2 and 3. Is there anything to show what it can and...
Hello, we have Cisco Switch IE-3200 that was connected to Cisco 3550 switch .In period about every 7 days there is a problem on port on Cisco 3550 switch ,where is connected IE-3200, UDLD disable port, port goes to err-disable state:UDLD disabled int...
Dear all,I'm facing a major issue with new C9500-40X-A for one of our customer. I configured 6 of them into a lab with Layer-3 and DNA Advantage features (Stackwise, IGP, etc) everything went good and the configuration was properly done. (3xStackwise...
Hi ,I'am extending my home internet connection to separate room as Wifi is not reachable over there ,So my setup is something like this , ISP Router > Cisco Switch >Cisco AP1131AG .ISP ethernet cable is terminating on Cisco port 24 ( fas 0/24 ) ,AP i...
Resolved! EtherChannel L2 and L3 Ping Issue
Hi, In a test lab, I created an EtherChannel as in the below diagram. Issue: If I create EtherChannel at L2, my PC11 could ping PC12, but when I create the same at L3 (after no switchport, and IP assignment to Port-Channels from the same subnet as PC...
Hi,I'm currently reading through the Interfaces Config Guide for Nexus 5600 NX-OS 7.x and have found the following statement:Autonegotiation configuration is not applicable on 10-Gigabit Ethernet ports. When autonegotiation isconfigured on a 10-Gigab...
Hi, I am looking at the Cisco SG350XG-24F 24-Port 10G SFP+ Stackable Managed Switch, planning to setup a LAN, with existing copper infrastructure and new fiber lines. May I know for this switch, can it support equipment running copper ethernet with 1...
I have a stack of 4 3850 switches Switch# Role Mac Address Priority Version State------------------------------------------------------------1 Standby 00eb.d5e2.7880 15 V05 Ready*2 Active 188b.4583.1480 14 V05 Ready3 Member b090.7ed4.a400 13 V06 Rea...
Hello,I am new to PPPoE setup and i have a basic query from client point of view. 1. Do we get an IP address also for the PPPOE interface? if So , will it get dynamically from the server or is it statically.2. When I looked at the RFC for pppoe (251...
Hello, I want to purchase Managed Switch which has UPOE functionality. Recently I have seen 2 new models SG250 and SG350.Can these models have UPOE/UPOE+ functionalities? If not, Can you please suggest some model which have UPOE and UPOE+ features? T...
Hello,is it possible to use VLAN names or EEM variables in AutoSmartPorts macros? I want to deploy the same macro on many switches which have different vlans, but my naming is consistent over all deivces. I'm using 2960X and 9200 devices. macro auto ...
