Greetings fellow Cisco colleagues! After a long troubleshooting period and finally tracing down the issue, we have now confirmed that on our network we have multiple clients DDoS ARP Requesting which spikes our CPU and causes packet drops. Hence I am...
Greetings fellow Cisco colleagues! I am not so familiar with Cisco Prime, however I want to take use of the image deployment that Cisco Prime has. 1. I am trying to downgrade C9200-48P from version 17.x.x to 16.12.4 - however Prime won't distribute ...
Hello, is it possible to return a serial number or hostname via the RFID tag, on the new 9200L and 9300L series switch? I have not touched RFID before, and any help is appreciated, including configuration examples :)Best regards
Hi,
I'm currently deploying a test setup with the zero-touch cisco dna center solution.
For this I have deployed:
2x C9300-24T running L3 CAT9K_IOSXE, Version 16.8.1a.
1x C9200
1x DNACenter
However I am already running into issues. I'm sitting ...
You might want to look at configuring Spanning-tree BPDUGuard, which will err disable ports where the switch receives a BPDU on. For example, if you connect a HUB to port gi1/0/1, and to gi1/0/2, the BPDU from switch itself, will be looped, the switc...
Hi Daquinla, What is the full path I need to specify to download this rommon image as an example from a router/switch.copy ftp://user:pw@prime_ip/x/y/z/asr1000-rommon.169_4r_SPA.pkg bootflash:
Unfortunately ARP inspection will shut the interface it the limit exceeds, therefor dropping all other traffic. I forgot to mention that this issue is only regarding wireless clients, and the wireless design is using CAPWAP, therefor we cannot inspec...
Thank you marce1000, for your valuable input. Regarding to my third question, I mean, yes it would defy the purpose of Prime, but it seems that Prime is missing vital components to be a center of software mangement. Without the possibility to distrib...
As I understand, you have 2x 9300 in a stack2x Uplink modules1 of the uplink modules work on both switches1 of the uplink modules does not work on either switchI have seen similar issues on my own, however it resolved itself after updating to newer f...
