Server Networking

Hardware  * 2x 5548UPs in vPC domain (v6.0.2)* 2x FEX units* 2x XenServer 6.1* 2x 10GB NICs bound using active-active LACP per XenServerScenario   * Attempting to connect XenServer to N5Ks* Dual homed FEX design* Utilizing enhanced vPC to dual-homed ...

We have just configured OTV on an ISP link between two datacenters. After everything was set up we found out about the 42bytes of overhead and the DF bit being set. Naturally that isn't working out on a 1500 MTU network. Our ISP won't raise the MTU t...

Hiwe like to use N5548 and N5020 in same VPC.. Is it possible.. or must be switches of same typeWe did configuration and VPC is formed... just VPC consistency check shows type 2 errors for some Network Qos stuffDo you see it as issue?thanks

Hi allWe have the need to upgrade our Nexus 7018 data centre core switches to NX-OS 6.2(2) to make use of a feature introduced in that version.Obviously this is not something you just push through and expect everyone (especially the customer!) to be ...

Hi, On the 55xxUP switches, do I need to purchase the N55-8P-SSK9 license to use FCoE as well as native FC, or is this license specific to native FC ports?Does the N55-M16UP module require the license as well? I seem to recall seeing a document indic...

Hi, Am a newbie to the nexus switches.we are planning to have nexus switches for our new datacenter.Our requirements are simple. we need to have around 300 edge ports (with support for 1 and 10G copper). for the edge layer, we are planning to have 1...

Hello people. :-)We've  had problems with VMs on the Nexus 1000v not being able to communicate  at times, when we move them to the standard switch, the problem  disappears. We've stumbled upon some lines in the vmkernel.log on the  ESXi host with the...

So we've recently purchased two IBM BladeCenter H series chassis.  Each bladcenter has four Cisco 3110x switches installed in slots 1 through 4.  The switches are stacked together with slots 1&2 being a stack and slots 3&4 being a separate stack.  I'...

Hi all,during a troubleshooting analisys I've noted a lot of drops on some of Nexus1000v interfaces. The 1000v is in an architecture with N7k-UCS FI 6296-UCS blade M series- Vmware Esxi5.11000v version is 4.2(1)SV1(5.2)In particular the drops occurre...

hello ， i got some questions on cisco n7k modules about namingis there any documents about the naming method ?for example，N7K-F248XT-25E= , what's the meaning of 25 and = ?thank you

Hi,  Scenario is as follows:  Data Center 1 - N7K-1, N7K-2. Data Center 2 - N7K-3, N7K-4.  N7K-1 is the primary adjacency server N7K-3 is the secondary adjacency server  Can't seem to find any sample config showing redundant OTV adjacency server conf...

Hi all,So we have a test environment that looks like the following. We have 2 5K's switch 1 and switch 2. Switch 1 has two 10gb connections downstream to a 2K and switch 2 has two 10Gb connections downstream to the other 2K. We have a few servers tha...

Hello,we have a 2 server cluster and we need to establish a multicast comunication between the servers.The servers are located in 2 diferent DataCenters on Nexus5000 with NX-OS v 5.0 and there is a fiber connection between de Nexus.Servers are virtua...