Data Center Switches

Hello all, during a troubleshooting on my infrastructure due a problem with VMWare ESXi,  I notice a lot of "ERSPAN-VEM : L3Control/ERSPAN" during the DHCP renew on L3 Control VMKernel interface.I don't find any related documentation on that, but I w...

Hello,We are currently running L2 svs mode in the lab and I would like to change to L3 mode with the specific configuration additons below.(not worried about a dedicated control vlan at the moment since this is functional testing).My question is, wil...

We currently have the Nexus 1000V deployed with 10 Pairs of VSM's in two data centers 5 sets in each. The team that supports the vCenter has returned from a few classes and is now convinced that vSphere DVS is a direction they want to go and move awa...

Just like when the Nexus 7K was introduced and there was a lot of confusion around how and when to position a Cat6500 vs Nexus 7K, I see the same thing happening now with the introduction of the Nexus 9K line.Is there any collateral yet that will hel...

I've done several ISE deployments with good results, but there is one environment where ISE is needed but not (yet) suitable:VDI. I have several customers who are extensivley virtualized for the desktop environment (80% or more) and who would benefit...

Hi friendsjust having some tests here with 1000v and ucs , im configuring a ucs with cisco vic mezz card , vsphere and 1000v , everything is working except that i can communicate two machines on the same private vlan (isolated) , here is the configvl...

asa 1000v default comes with 4 vnics management,inside,outside and HA.Can I add another vnics and add interface in vnmc?When i try to do that in vnmc web gui, i got error that vnmc allows only 1 inside and 1 outside.The resason is to add another inte...

My VMs on multiple hosts have packet loss, slowness and failure of various applications.to see a show interfaces: the average  Output Packet drops in most of the Veth is: 6 millionswiasusis-vsm# show interface vethernet 94Vethernet94 is up    Port de...

Hello,could you help me with a problem - I configured uplink port-profile but don't have a connectivity through native vlan 1.If I configure native vlan as vlan 200 in uplink port-profile as example I have a connectivity to my VM located in vlan 1.Bu...