Application Centric Infrastructure

I'm studying an ACI solution with the ultimate goal of achieving full active-active design between two DCs. Is it correct to say that multipod design with anycast gateway is the way to go? as far as I can understand with this design no matter which p...

Can you use the same pair of Nexus 93180 switches (utilizing separate VRF’s) for WAN L3 (to DCI and MPLS to border leafs) and for the IPN switches (to Spines) to kill two birds with one stone. Or does it require two separate pairs of Nexus 9K’s.   Al...

Hi,   I have recently replaced the APIC cluster hardware one by one keeping the cluster intact. Before the replacement, there were few switches which were turned off due to inactivity. I powered on the switches after a month (after APIC hardware repl...

Hi all,I want to know:-1. how to deploy 9k in aci mode.2. design consideration for aci mode.3. logical construction on spine and leaf.4. tenants, contracts, policies.5. integration of apic with vm.6. discovery of node in apic.

I have migrated from vSphere 5.5 to vSphere 6.7 & now none of my ACI VM simulators are working. I have gone through the process of getting new tokens, created a dedicated vswitch just for simulators, followed the installation guide (numerous times) t...

Hello together,   I upgraded my APIC cluster (3 devices) via GUI from version 3.2.1m to 3.2.2l. After reboot of the nodes I couldn't login into my APIC via GUI. I get the message:   REST Endpoint user authorization datastore is not initialized - Chec...

Hello,   I have a DHCP server inside the fabric in a EPGs and I want to use it in my L2 out. Outside, I have configured a dhcp relay in my gateway, border to the fabric. I can send a Discover request to my endpoint (server dhcp) from my computer,it p...

Hi   I am not sure if this is the right place to post this but if not, then please feel free to let me know that. I have been a system admin and devops for the last 17 years and have been recruited by an organisation for automating their cisco comman...

Hello Experts,   I am sure this question may have been asked earlier, but want to get latest inputs. Our company is not yet ready for ACI or benefit from the features, thinking the best option would be to go for 7706. Kindly provide comparison.   Tha...

Hello,   I am in the process of designing a solution for the Cisco ACI MultiPOD Deployment across two data centers in Active/Active.   In case of any VM which fails over to the other location, it will use the local L3-Out for the outside the fabric c...

Hi, I am running ACI version 3.2(2l) and I configured NetFlow collector with out-of-band management as the source type.   The problem is that NetFlow is not sent from the switches and I am getting this error:   "Collector destination host unreachable...

Hi, Need to get a quick response on this.   I have 2 tenants   For both tenants all the EPG are in preferred group. Which means no need for a contract between EPG.I will enable VZANY which is a contract for all objects in a VRF. I will apply this con...