Software-Defined Access (SD-Access)

Hi , May i ask Why multicast is required to operate SD-Access , in other word what happened if multicast wasn't enabled ??

HiI have multiple fabric sites and I want a shared underlay multicast tree across them.  Currently they have been configured as standalone multicast topologies because each site points to its own Borders as the PIM RP in the underlay.  There is no wo...

Hi All,I operate a small number of SDA fabrics that all use the Deny-List (default Allow) Group-Based Access Control/TrustSec Model. I am not considering changing these to use the Allow-List (default Deny) model, however I'm aware that if the Default...

HiI know I can anchor a L3 VN using MSRB in SD Access but if I have a simple L2VN that I hand off via a L2 Border in one site can I stretch that across to another fabric site and use it there?  In principle I would think it is achievable.  My edges i...

Hello, I am trying to connect to cimc via https. The user/pass combination works perfectly with ssh. I get this error message via the web GUI. There is definitely power! ssh is running at the same time. Thanks"The server does not seem to be respondin...

Good day!I have 1 DNAC physical appliance deployed in the DC and one in the DR.DC DNAC server is connected to the DC ACI switch, the next hop is DC firewall.DR DNAC server is connected to the DR ACI switch, the next hop is DR firewall.B/W the ACI swi...

Hi all, We are currently planning to deploy one catalyst center appliance in our office. However, the current gateways for all subnets are on firewall. So, we proposed one of the below solutions: First, keep the network as it is, we will only discove...

Hello all,I'm doing the CCIE Practice Labs so I can get practice with SDA. One of the first things I'm doing in SDA is the integration of DNAC with ISE (in the lab, the DNAC is version 2.3.5). The integration works fine, and during the integration I ...

hello allI am trying to understand what integration is available from the Cisco Catalyst Centre interface to for example ?SolarWinds SIEM export    

I have 3 DNAC server nodes. I finalized the conf for the 3 and created the H, A, but after I turn off the devices and turn them on, the attached log error message appears for me using maglev most of them (CrashLoopBackOff)ndp pipelineruntime-taskmgr-...

Hi together,has anyone an idea about the limitations with L2 flooding ?Our customer has a separate infrastructure with lots of L2 broacast domains (~100). This construct ist used for various sensors, terminals, ip-cams, etc...and some devices which m...

Dears,        I am attempting to join a new node to my existing Cisco DNA Center (Catalyst Center) cluster, but I am blocked by the following error message during the configuration wizard: "There is another node installation in progress. You must com...

I have problem with DNA center I can't access " DNA " site inaccessible 

Hello, I have a situation where there is SDA-A design with dual C9500 as control/border , C9300 as edges and virtual catalyst center/ISE, all in the same building. We need to add new building to this fabric, the new building has C9500 as distribution...