Software-Defined Access (SD-Access)

Hi All,I have a question regarding subnet sizing with SDA If we were to have ~1000k employees connecting to a LAN, stretched across multiple buildings,using both wired and wired endpoints, then theoretically a single /22 or even /21 subnet would be o...

HelloCould anyone please explain the reason why every edge router in SDA is configured with "proxy-itr <self-rloc-ip>" instead of just "itr"?  Thank you in advance 

Hello everyone, I have a question about DNAC that needs to be consulted. There are multiple Catalyst 9500 switches in the network. They are configured through DNAC to allow multiple switches to have the same distributed gateway address (for example, ...

Hello Need to know the right order when using  DNA Autolan to build the underlay .Is it to build the switch stack completely and then it will be discovered as a single entity during autolan process ? or do I need to connect one switch to the fabric a...

SD-AccessAs per the documentation that you can implement DNAC either as a single appliance or in HA of three appliances. My question is how will the deployment be in case I have two DNAC appliances. In my BoQ I have 2 x DN2-HW-APL.I couldn't find any...

I have installed DNAC and try to register my 9300 using smart license. however i receive the log below. SLRegistration: Device registration unsuccessful with CSSM. Failure Reason: Device registration is pending for more than 60 seconds, please check ...

Hello Everyone, I am trying to integrate the Embedded WLC with Catalyst 9300 switch but i am unable to do the same.I tried to upgrade the switch with 16.10.1 IOS version and I also upgraded the switch with 16.10.1 Wireless package  as well but I am g...

Hello, I have a customer with 150 branches plus HQ, so, fabric-in-a-box sounds ok for those sites.The WAN today IPSec based (no SD-WAN at all) and is not meant to be used as an IP Transit.As per the title of this post, will each branch be a Fabric Do...

Error - Unable to push CLI 'ip domain-lookup' to device 10.10.10.20  using protocol ssh2   I am trying to provision the cat 9300 for the first time in DNAC, it is throwing the error related to ip domain-lookup Device Model - Cat9300-24UDNA Center ver...