So I know it is best practice to create a dummy vlan that you apply as your Native Vlan on trunk ports so it is no 1 by default. But I have a couple of further questions:1. Since Vlan 1 is used for a lot of L2 protocols from my understanding do you n...
Forum Posts
Hello,I have a stack of 2 SG550X Managed switches on copper Port with software is 2.3. There are multiple gateways and multiple servers(server 2k19) forming a Ether channel LACP from core switch and there are some pcs connected to both switches with ...
Hello Community,I am struggling to find information on SFP compatibility. I have to setup a connection from a Cisco C9300-24S to a Netgear GS724T. The Netgear switch is a replacement that a customer is requesting on their end removing one of the exis...
Hello, looking help for this issue - after the switch reloads, all RADIUS servers are marked as dead for the duration of the dead time criterion (15 min.). IOS Version is 15.2(2)E10. Configuration of RADIUS server are similar to this:aaa group server...
Resolved! C9300 AutoQoS Config
I am having a tough time getting my hands on a lab 9300Can someone please post a copy of the Configuration of a Cat 9300 before and after running auto QoS.Ideally I would live to see what happens after you do a "macro apply cisco-phone $access_vlan 2...
I had basic configuration done with a lot of help from this discussion.https://community.cisco.com/t5/switching/nexus-93180-vpc-and-vmware-recommendations/td-p/4850262I'm installing new pair of vPC 93180s and new VMWare hosts based on Epyc. Can't wai...
Hello All,Good Night, I'm new here and new in networking, I'm trying to learn about it and i got some problem about IP Address Allocation, actually this is the last test after i repeat some course, can anyone help me check is this correct or not, or ...
Hi allIf i want to stackpower a 9300L data switch and 9300 Upoe switch and i need to give a common single secondary supply So i need to give 1100W power supply or a 350W power supply ?
Hi,I have a list of 20 mac addresses. These devices will move around constantly and connect at different locations. Is there a way I can place this list in the switches and allow only these mac addresses input into vlan 800 for example? So the ports ...
Hi,Can anyone tell me how to delete the running-config /startup-config files on the nexus 5596k model.I have done write erase but config files is still there and my task is to default factory resetting the switch.In nexus, where cisco is saved runnin...
Resolved! Nexus VDC config save error
Hi all, I changed the configuration on a N7K-C7009 with two N7K-SUP2E supervisors.Now I get the following error when trying to save the configuration:"Configuration update aborted: This vdc has had a global configuration change since the last saved c...
Hi, both my Nexus 3000 had an unexpected shutdown. When powered up Vlan 1 is suspended and only the management IP is pingable. Do you have any idea what might cause this and how to resolve this? Before the loss of power, everything is working.On the ...
Dear, see how I can solve a problem with switch cbs 350 bussines, since I cannot enter the https interface to log in, I attach amage. Thank you
A client has a switch C3850-24XS and I did not found documentation of compatibility with SFP-10G-T-X=, maybe because the SFP+ is a recent product.Can somebody help me to confirm if SFP-10G-T-X= works with C3850-24XS Switch?Thanks for your support.
Hello everyone, I have a Cisco C9200L-24T-4X switch, with firmware 17.6.4, I would like to know how many pools can be created and how many IPs in total at most it assigns to all networks.Thank you.
