In ACI discussions, its always mentioned that BDs are NOT VLANS. The most common argument are that vlans equated to one subnet and thus since you can have multiple subnets in a bridge domain, they are therefore not the same as vlans. However, in t...
Forum Posts
Hi I have a situation where i have to peer a Checkpoint FW cluster to ACI using OSPF and to two separate ACI Domains. Each ACI Leaf will peer to the Checkpoint VIP on the Active FW. The OSPF Segment in a broadcast network all on vlan 155. My co...
Hello everyone, we have an issue with decoding Tenant SPAN in wireshark. The scenario is a ping from outside the fabric to a VM connected via a VMMdomain. The ICMP request is decoded fine: But the reply is messed up. As I marked there are 8 bytes...
Hi Experts,I want to clarify how many spine nodes will be supported on ACI Fabric now and future(maximum number of spines)? Because there are some different speculations about that. Someone says it'll be 12, others say it'll be 16 spines. Which one ...
Hello, I have an ACI setup with 3 PODs. I want to connect each POD to an L3out. However, I don't want learned routes to be advertised between PODs. Whenever I put spines as route reflectors, L3 routes are learned between PODs. How to make L3out loc...
Hi all, What is the purpose of having a read-only VMM domain and attaching it to an EPG? Only benefit mentioned in configuration guide is being able to see the vCenter inventory. Is there more to that? Thanks.
Hello ALL! Why the fabric sends traps and duplicates them? When fabric send a trap about the interface is down, I get 8 traps? Сan someone explain this?
Hi, I try to build up ACI lab, is nxosv possiable to change to ACI mode? I just finish install APIC-EM in my ESXI lab, i am just thinking how can i make switch in my lab.
Hi, I upgraded an ACI Fabric to 3.2(3o) - now when I go to the ACI documentation on the APIC, (Tools icon > Documentation > API Documentation) I get this strange message when I try to access a diagram: It would seem that the application that display...
Hi all,I'm trying to implement SNMP monitoring to ACI. I found this guide:https://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/apic/sw/1-x/mib/guide/b_Cisco_ACI_MIB_Quick_Reference/b_Cisco_ACI_MIB_Quick_Reference_chapter_01.htmlAfter finishi...
Hello, I know that installing ACI Plugin should be an easy and straightforward operation, but I am struggling for a couple of days to figure out why is ACI Plugin being installed successful on vCenter but when I log out and log back in to vCenter I...
Resolved! EPG limit in tentant
A tentant can max have 500 epg, during the migration phase we will do a 1-1 migration and use network centric model. So we will do 1 vlan->bd/epg. However we have more then 500 vlan at one of the firewall trunk at the moment. So if we split the "vlan...
I am following the tutorial located here to try and write some python code. My eventual goal is to write some scripts to grab things like tenant health, contract drops, etc. When I run the code located here I get the following error. Any ideas? ...
Resolved! ACI leaf- Automating vsh -c 'clear system internal epm endpoint key vrf Prod:Prod ip 172.18.32.21'
Hi Everyone, How can i program my ACI environment to always clear a particular endpoint entry every hour. I'm looking for a temporary fix to an issue in my ACI environment. i hope you get what i mean.
Hi there, i was trying microsegmentation in a lab with those version 3.2(3i) when i create the useg epg in the same bridge domain that i want the epg to be segmented and i create the attributes via tags, ip and datacenter and neither is working out...
