Data Center Switches

I configured trunking on 4 ports on Cisco Nexus 5548 connected to a Cisco MDS 9148T.Ports are configured as trunk and carrying multiple vsansPorts are in a port channelPorts are configured as E portsWhether port speed is set to 8G or AUTO on both swi...

Hello, I have a Design Question and hopefully someone can help me out.  We have 3 Serverrooms on our Campus and we want to have an Overlay IP Subnet in our main serverrooms (1 and 3). There are Nexus Switches running and there is the possibility to c...

Hi all-Could someone please point me to documents/configurations for a typical eBGP external peering scenario. The usecase is a non-vxlan, L3 eBGP leaf spine fabric, peering with an external router over eBGP using border leafs. What are the best prac...

Hi All, i have working setup for nexus vpc connected to pair of 3750 in stack with vpc to nexus,now i want to configure hsrp on nexus and want to move all SVI on nexus but not able to understand how to route packets from nexus to core 3750 as layer 3...

Let's assume that I want to build VXLAN fabric from scratch based on Nexus 9000 switches in standalone (NX-OS) mode with IS-IS underlay. The question is - what minimal required features to support VXLAN I must enable on spines and leafs?Things that I...

Hey all,we are using two Nexus 5548 that are in a vPC Domain. For the vPC keep-alives, we are using the mgmt0 interfaces.My question could seem to be weird, but what happens when I connect with a console cable to the console port.Is the mgmt0 interfa...

The following message appears during the upgrade from DCNM 10.x to 11.x related to the VCE product:   - Detail    Upgrading to an issue where UCS FI status is displayed as Fail (Red). config backup (dcnmupgrade tool) fails   dcnm 10.x to - dcnm 11.x...

Perhaps I've never noticed before and they are always like this, but do the 5548UP switches run hot (50+C) and with fans at full speed by design (seems extraordinarily power inefficient), or is there some performance tweaking that needs to be done to...

Hello Team, I am looking for ACI commands for below connectivities: [1] How to check APIC IP/host name from leaf switch?[2] How to check spine from leaf to spine?---------‐------‐----‐‐-Note- I can check  from APIC to Spine

Folks,I need some recommendations on using a port-channel vs a VPC configurations on a Cisco Nexus switch. I have attached a basic topology on how the network looks like.  Now, the switches where I am asking for this recommendation are also marked in...

I have several Nexus 3000-series switches deployed (a combination of 3048 and 3064's), all of them running either NXOS 9.2(1) or 9.2(3).I recently noticed a strange issue where clients connected to the switch experience about 0.75 seconds of outbound...

HiWe are unable to SSH access aix/unix blade servers after replacement with nexus 3kWe have replace with old catalyst switch to nexus 3kBut we are getting ping from servers.Connective details Cisco aci leafs to nexus switches Nexus switches connected...

Hello, I've got a DC topology where i get ingress traffic from 3x10GB lagged interface which are egress to FEX port (2x10gb). And on that 2x10GB ports i got lots of output discards counting ON. I got no specified queening  configured, but the couter ...

Hi,Let's suppose that we have the topology below:  NXOSes are Nexus 9000v 9.2(2) and run EVPN-VXLAN, NXOS and NXOS2 are also vPC peers.3725 is just an emulator for IP fabric between NXOSes and Mikrotiks are customer devices.Let's suppose that we have...