Server Networking

Hello,Working on a project to deploy VXLAN for vCloud Director which requires IP multicast for overlay encaps. All host blades are running ESXi in UCS chassis. We've dedicated a VLAN ID 4050 for mutlicast VXLAN traffic where VLAN 4050 does not curren...

Hi everybody.I found the nexus 7700 Fabric datasheet there was 220G per slot.For example, the nexus 7710.There was 220G per slot per fabric module and result is 6*220G*8=10560G, duplex is  21120G=21T.How does the 42T came from?

Please help!Could anyone out there please assist me with basic configuration between Nexus Switch and Catalyst Switch, so that devices connected on the catalyst switch can talk to devices connected on nexus switch and vice-versa? In my current setup ...

Hello everyone, We are currently running a datacenter with 2 7K switches and re route to our existing DR site which is a different network. We are building a new data center close by and will have 2 10 Gig links <1 MS latency. I have heard that OTV m...

Went looking through my Nexus 4001i logs today, and started noticing a bunch of STP role and port change messages:2013 Jul  5 14:40:31 N4k-SLOT7-SW1 %STP-6-PORT_ROLE: Port Ethernet1/1 instance MST0000 role changed to designated2013 Jul  5 14:40:31 N4...

DNS is what I'm using for most of my subnets. The problem is that I have a handful of subnets that have devices that are under the control of an outside agency. Those devices access a server in my DC by pointing to the IP Address. If I performed a fa...

Hi - I get this cycle of message regularely on my N5K pair;%FWM-2-STM_LOOP_DETECT: Loops detected in the network for mac bf80.5bee.2a60 among ports Eth101/1/19 and Eth101/1/20 vlan 120 - Disabling dynamic learn notifications for 180 seconds %FWM-2-ST...

Hi all,I'm trying to configure N1KV for Hyper-V using REST API and Powershell. To do it, I'm following this guide: http://www.cisco.com/en/US/docs/switches/datacenter/nexus1000/hyperv/sw/5_2_1_s_m_1_5_1/rest/api/guide/n1000v_rest_api-getting_started....

Hi Guyz,Does new Nexus 2K such as 2248PQ, 2232 support native FC on fex host Ports.?Thanks,Mazhar

Good Day all,I have a query. Our customer will be changing out their 3comm core switch and placing in a nexus 5596 switch instead. There access switches will now be connecting to the 2 5596T switches that will be clustered.Can a single 3comm switch b...

I have been attempting upgrade on a pair of Nexus 5010s in a vPC configuration. I want to go from n5000-uk9.5.0.3.N1.1c to n5000-uk9.5.2.1.N1.4 as that is the minimum recommended version. I have 4 FEXs that are dual homed to the N5ks and 4 old CatOS ...

I just installed two switches connected with a NEXUS 5506UP vPC link consists of two links 10Gigabits. I configured in both HSRP NX5K for managing redundant routing local VLANs.Both NX5K are connected to a firewall via two links Etherchannels in L3 m...

I have 2 N7K switches and would like to connect them via port channel and put the channel in VLAN 101. I have the following config, does it make sense? Thanks in advance!interface eth 3/1 switchportchannel-group 101 mode activeinterface eth 3/2 switc...