Data Center and Cloud

DROP_VLAN_MASK_TO_NULL

Hi Community, I have a UCS Servers with Fabric Interconnect and I'm doing troubleshooting because I see CRC errors on several IOM ports, I ran the command # show platform fwm info asic-errors 0 to determinate the cause of those errors, in the field D...

Resolved! ACI Endpoint IP list

Hello Cisco Expert team- Looking for your support to find the way to list down all the active endpoint IP address in the a command line. We are in the process of DC migration. Need to know the remaining active endpoint IP address in the fabricregards...

Cisco UCS M5/M6 Downfall CVE-2022-40982 Advisory

I created this advisory because there is no central public Cisco Advisory page with all the information users would want (yet).https://www.reddit.com/r/CiscoUCS/comments/160scwg/cisco_ucs_m5m6_downfall_cve202240982_advisory/I will expand it as I get ...

remove all deployed epg's on a specific port

I am looking for a way to easily clear interface configuration in ACI. Currently we have to look up all the epg's that are on an interface and then go into the epg to remove the deployments. We do have the deletes scripted but we still have to know ...

Benefits of integrating Cisco Nexus Dashboard Insights & ServiceNow

Did you know that there is an integration available for Nexus Dashboard Insights in to ServiceNow? You can find the details and request it here Now you know there is an integration available, why should you consider implementing it. Well here are a...

NDFC EPL Configuration

Hi Team, Trying to configuration EPL in my lab using CML. I have a basic 1Spine - 2 LEAF topology. NDFC virtual appliance is running on ESXi with MGMT and DATA interfaces. DATA interface can ping its default GW. When I enable EPL, it picks the Serv...

Changing native VLAN causes vms to no longer be able to talk

I have a Cisco 3850, and everything between my two vlans is just happy with ports being trunk and having a vlan of 30 with a native VLAN of 1. Inter VM communication stops working if I change the native VLAN to 30. I have the vswitch in esxi properly...

EVPN on 9300's as collapsed core to routed-access

I'm planning the details of how to configure our new 9300 switches (2 each in 2 DC's, connected by 2 runs of dark-fibre) Is there anything that I need to be aware of that will not work? I haven't been able to find much in the way of documentation for...

Troubleshoot EVPN VxLAN in Multi-site

Hi, I am running the topology below with EVPN/VxLAN Multisite on dcloud. Unfortunatley the two hosts in different sites and different VNI could not ping each other. However same VNI different sites the can ping each other and also different VNI same ...

Extend EPG's in two different tenants but with the same outside port

I have two tenants (two different VRF's) and each one has different EPG's(different BD's and Vlan pool) and the gateway will be the active firewall and physically the active and standby connected to the two borders as vpc my question : - i will ext...

ACi and DHCP - problem with 3 phase

Hello, I need advice how to solve the problem. I have two cases:1. DHCP server in same vlan (encapsulation tag vlan-x) as client. I see DISCOVERY broadcast on DHCP server, I see unicast OFFER, and thats all. No more packets, client not recive OFFER.2...

UCS Firmware Update

Hi Guys,Just a quick questionI've let my Firmware lapse a little 2.0(1t) and need to get a 2.0 (3) version on for my new B200M3s.Can I jump from 2.0 (1t) to 2.0 (3b) in one go or do I need to go to 2.0 (2) in between. (Production environment 6248s / ...

Cannot add Aci site to Nexus Dashboard after firmware Upgrade

After installing Nexus Dashboard, add ACI Site, and then I upgraded the Nexus Dashboard Frimware 2.0.2g to 2.3.2 because of the matrix. There was a problem during the upgrade. so i re-imaged to 2.2.2 successfuliy. However, this message appears when i...

Nexus Dashboard "NDFC SAN Controller" feature is greyed-out

Hi all,In our NDFC environment we trying to apply San Controller in the feature management, but the feature is greyed-out.How can this feature be enabled? Is it related to licenses?

NDFC trying to push nonsensical configuration.

Hello, I am having an issue with NDFC. When I create a "VXLAN EVPN Multi-Site" fabric, and then nest my "Data Center VXLAN EVPN" fabric underneath it... NDFC pushes out the expected configuration (config needed on the BGWs for Multi-Site to work) ......

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Resolved! ACI Endpoint IP list

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