Server Networking

I have a problem when working with the console VMWare.Sometimes it is impossible to connect any of the hypervisor to the guest OS managed by them.I get the message: "Unable connect to the MKS: Host address lookup for server <name of the hypervisor> f...

Hi guys,I am having a Nexus switching problem in a data center.VM traffic failed through the nexus switches, i run a ping test and the test is fail and back to success after few minutes, after a minute of success ping it is fail again.Also when the n...

I trying to Network deisgn for new data Center ,  i am new to DataCenter desgin, i attached the network diagram i would like to know if can configure my layer3 on 5500 and configure Fabric path to uplink switchplease help give your suggestions on thi...

I can't seem to find the answer so I thought I would ask here.I know you can have an odd number of ethernet ports between two switches on a standard Port-Channel/EtherChannel.Can you have and odd number of Ethernet Ports in a vPC arrangement?  Someth...

When using an existing 4Gb SAN infrastructure, should I expect any difference between setting up a connection with a new 8Gb HBA when compared to setting up a connection with a 4Gb HBA?System components:VMWare ESXi 4.1 running on a Dell Poweredge R31...

Hi all,I'm currently designing a new datacenter.Also I don't have much informations about applications and bandwidth usage.Some informations are given:100 Mb/s VPN Access (provider network)4 x 100MB/s (Internet and customers) ...maybe there are one o...

Hi guys,I am having a Nexus switching performance problem with an HP C7K server with Virtual Connect.Any device that is connected to one of the Catalyst 6509 switches and is trying to communicate with servers in the C7000 blade enclosure via Virtual ...

Hello Team  Need your input on the problem faced below regarding Mac access list issue in nexus 7k  Setup Details===  End users terminated on catalyst 3750 switches. Each stack of cat 3750 switches is connected to both the core switches which are Nex...

Hi , I have two N7K-F248XP-25  going to be installed in one Nexus 7009 and I have 4 N2K-C2248TP-1GE (48x100/1000-T+4x10GE) .In simple way, I have two F2 line cards within one N7K and 4 N2Ks. The N7K will be used as a parent switch and it has NX-OS ve...

HelloDoes Cisco Broadcom Ethernet adapter 57712 (Cisco P/N UCSC-PCIE-BSFP= ) supported cisco Adapter-fex technology (802.1br) ?Can I use this card on the none cisco Servers ( example IBM)  ?

Anyone ever seen this before? Trying to understand why the port error disabled.2011 Jan 18 11:53:09 MTWDAVDC1BLDB9001 %ETHPORT-2-IF_DOWN_ERROR_DISABLED: Interface Ethernet1/1 is down (Error disabled. Reason:requested by sap: MTS_SAP_DCX, req down_typ...

Version - 5.0(2)N2(1)My understanding is that we need1) Access-List defined, with statistics configured to get matched traffic onto control plane2) Access-List applied to an interface, via command "ip port access-group mycap in"3) ethanalyzer command...

Hello, need a solution or hint for an issue with getting Mac Addresses from NEXUS 4000 Switches. Our NMS polls for BRIDGE-MIB:dot1dTpFdbAddress --> 1.3.6.1.2.1.17.4.3dot1dTpFdbTable@99    NotSupported        1    1    1.3.6.1.2.1.17.4.3dot1dTpFdbTabl...