Networking

Class and QOS commands for the 9300x

Im having issuse with coping the Class and QOS commands form my old 3560 Switch to the 9300x switch

Using "vlan dot1q tag native" and Meraki gateways

Hi, I have a client who is using the command "vlan dot1q tag native" on their Catalyst switches (causing all packets even on the default VLAN to be tagged and require tags), and Meraki MX105 firewalls. Packets leaving the MX105s are tagged on all VLA...

CSCwo37187 - VA 2.3.7.7 & 2.3.7.9-VA

Release 2.3.7.9-VA on a fresh installed and  running on a single standalone esxi server with nvme drives, and Intel Xeon Gold 6442Y processors with no other VM's. We see this same issue on a fresh install. Every page is extremely slow to load. Tested...

Extended ACL issue

Am getting a little obssed over networking over the last few days and decided to go for ccna and i started learning and reached ACL ,specifically extended ACLs ,but when i was trying a hands on in CPT i got stuck . since i dont have a proper mentor i...

Need help with Vlan switching & Ospf assignment

Also sorry, english isn't my native language so I tried to translate the assignment as best as I could.I only managed to do the DHCP server & I am not sure if I did it correctly or not. Because I tried other things like doing the ethernet channel but...

DNA Center Migration - Removed

Lazy Exception // Partial Collection Failure // Cisco Prime 3.10.6 VM

Good morning Cisco Community, Can anyone advise on the following?Issue: Cisco Prime Infrastructure 3.10.6 Virtualised and operating fine with one exception.  Collection Archive doesn't work for our devices and leaves a "Partial Collection" error.  Up...

VLAN issues

I recently replaced the core switch at one of my sites that consisted of two separate C9300-48Ts and three other off brand switches and installed a new stack with a C9300X-48HX, C9300-24S and a C9300-48T (running 17.12.5). This is a layer 2 network c...

SD-WAN latency on all TLOCs increases simultaneously

Has anyone experienced the mean-loss on every TLOC increase simultaneously?  The volume of drops in the BE queue is also elevated at the same time.   Does anyone know if the BFD packets measuring the SLA get queued under best-effort/DSCP 0?   This im...

DNA Center inventory error - NCIM12024:

Hi, we encountered this error after we discovered the device on the dna center. We tried to resync the device, but the same error appeared. If you have any tips on how to make this work i will appreciate it.Internal Error : NCIM12024: All information...

Backup to a different NFS servers.

Hello,I am planning to migrate my backup servers to AWS.I already have an sftp service set up.If I create a separate NFS service via Storage Gateway, will the backups work? Or does Cat.Center require the backups to be backed up on the same destinatio...

C9300L-24P-4X POE Anomaly

This morning, I found that the C9115 AP led light connected to the C9300L-24P-4X switch blinks red-green-blue cyclically, and I checked the POE switch and found that the poe status of the port connected to the AP is down, but I can see that the inter...