Server Networking

I wanted to see if anyone here had any recommendations for me in troubleshooting a problem that has been ongoing ever since we got our UCS equipment...Initially it was noticed through solarwinds monitoring that many of our ESX hosts were showing rece...

All, I am doing a core switch refresh, going from a 3750X stack to a pair of N3ks. A few details:I plan on leaving the stack as L2 access layer for PC clients. I am migrating the Blade Center and SAN to the Nexus 3Ks, hoping to use vPC.The blade cent...

Hi We have two datacenter with two Nexus 5548 each. The two N5k in each location are in a VPC bundle. All four N5K are running fabricpath and are connected in a ring situation. Now we bought four L3 Modules for inter VLAN routing. Do you have any rec...

Dear all,We have two Nexus 5548UP (5.2(1)N1(9)) vPC connected in Dual-Homed Fabric-Extender B22HP (4 SFP cable from B22HP, two in each N5k switch) . In first N5k vPC switch everything works fine, but in secondd N5k switch the FEX status is Offline  F...

Hi Guys,Just to confirm, that i am not going mad....there is no 10G copper solution for the 9372PX is there, other than the prefab twinax cables? I need to connect a Dell server that has onboard (not replaceable) 10G Copper NICs.  Regards Warren

Hi ,Does fcoe support all  nexus switches . Why fcoe supports depends on physical topology Thanks 

Hi folks,I try to get interface traffic counter from FC-Interfaces via snmpwalk from my nexus 5596UP, NX-OS 7.0(1)N1(1). Without success.Everything works for Ethernet interfaces: snmpwalk -v2c -c ****** n5-1-060-4 IFmib.....IF-MIB::ifName.436207616 =...

Implemented using a Cisco UCS validated architecture...2 VMs both on the same vSphere blade = fast (few seconds data upload).The same 2 VMs each on different vSphere blades = slow (few minutes data upload).Same problem regardless of which vSphere bla...

Hello, I just pulled a nexus 5020 off the shelf and thru in a 1200w PSU. The fans in the PSU spin, but no LEDs on the PSU or Nexus are coming on. Any ideas? This is believed to have been a working pull.

I am working with a Nexus5000 configuration which includes a "switchport trunk allowed vlan" specification on the fex-fabric port-channelinterface port-channel100  switchport mode fex-fabric  switchport access vlan 999  switchport trunk native vlan 9...

I am using a pair of Nexus 9372TX switches (6.1(2)I3(5)) in a VPC pair as top of rack switches. (The 9k's are in a back to back vpc to 7k core switches)Connected are HP DL380Gen9 servers with 4,10 gig (copper) connections split between the 2 switches...

Hello, I'm trying to understand capabilities of the 9636PQ module in a 9500 chassis. I've read the Nexus 9500 switch architecture whitepaper:http://www.cisco.com/c/en/us/products/collateral/switches/nexus-9000-series-switches/white-paper-c11-729987.h...