Server Networking

That's all really. Why would you turn it off? What is the advantage. If you're not receiving PVST BPDUs, you don't need it, but why turn it off?

Hi All,I have vmware cluster of 2 blades and with a distributed switch created. Each blade has two nics that connect to a stacked 2960s switches. We have nic teaming on and the traffic is not failing over to the other nic. Can anyone advise as to wha...

For example, there're 2 route entries in my routing table with the same cost on Nexus 7K, what's the behavior of the device to deal with the packets? It's per-destination or per-packet load balancing?Is there a command I can show and modify the load-...

We are looking at a plan for 1500 virtual desktops. They will reside on Dell M620 blades and Compellant storage. The current plan is to connect the Chassis to a nexus switch for converged networking and FCoE. The Dell chassis has 4 uplinks. Does an...

Hello, I'm currently studying design options that will involve FHRP localisation as well as attaching via vPC switches and servers to nexus 7k, as well as coordinating this with DCI - but on a small scale environment.The scenario is a pair of N7k's o...

We had two 3120 blade switches fail on us in our production environment and when we plugged in the RMA replacements, it caused a loop that took down our VM environment: Apr 15 17:33:11: %SW_MATM-4-MACFLAP_NOTIF: Host xxxx.56a4.0090 in vlan 2224 is fl...

Hello,we need to perform a SW upgrade on a 5.X Release on a pair of Nexus5500 with Dual-attached FEX and L3 daughtercard installed with IP Routing enabled.I've read that ISSU Upgrade is not possible with L3 Routing feature active, and we should do a ...

Hi Client has VMWare ESXi 5.5 servers running Virtual Standard Switch (vSS). My understanding is that vSS does not support LACP (and that vDS is required for LACP support). Are there any other EtherChannel options on the Nexus 5k switch that will sup...

  Hi guys,We recently installed two 5596T in a cluster at a customer. They are currently migrating their servers to a VMWARE solution and have asked if the nexus supports microsoft NLB on multicast mode.I reached to Cisco TAC on this however I havent...

Hi all.The problem.Today I updated my Nexus 7010 sup1 from 6.1.4a to 6.2.8.I want did it in ISSU mode, but after impact check I got this:Compatibility check is done:Module  bootable          Impact  Install-type  Reason------  --------  -------------...

i have two N7718s in a vpc domain and each have a vpc connection to  300+ TORs(non cisco switch).each 7718 have 300+ trunk port and a trunk port carring 80 vlans . so the logical port number is 300*80 = 24000the problem is n7k r-pvst logical ports li...

I've got a Nexus 5548 with a L3 daughter card.  It's directly connected to a VLAN that hosts our logging server.  It can ping the logging server, and the logging server can SNMP query the nexus.  However the nexus isn't logging to our syslog server. ...