Other Data Center Subjects

I just setup a 1000v with 2 VSM and 4 VEMS. I was asked if there was a way to make it so that when a server is assigned to a port-profile the network is shutdown until a network admin manually goes intot he switch and enables the port. I tried to set...

I'm wondering what is it the mechanism that after moving a VM forces the switches to update their forwarding tables. Is it simply a timeout of the entries or is there something more?

Hi out thereI have a set of cisco 5020 and 5010 which I need to inter-connect through a 10 gbps LR SFP module. I have inserted it and it looks ok in the status from the box - but it is pretty silent - no light pulses ? nothing (and of course hereby n...

Hi All,We are in the throws of planning to move our production data centre that currently resides with the business to a professional facility that is roughly 3kms from the current business premise. We currently have 2 x 2Mbps services deployed in th...

Hello,are there plans or a roadmap for support of LRM/LX4 optics on the Nexus line?

Hello,I´m troubleshooting a connectivity problem in a fex between NX5K and NX2K. Now i have this fex offline and i´d like to know how to verify port configurations in Nexus 2K if configurations for these ports ano not availabe in show running-config ...

Help ! I am a noob network engineer thrown into a project were the real network engineer is out for weeks with bad flu. I am trying to pick up the pieces and do the best design I can. I put this drawing together based on what info I had. The picture ...

Hi,I am using a Nexus 5000 vPC environment with NX-OS 5.0.3.N1.1c. Just one edge switch (C3569) is connected to N5Ks as a vPC using LACP as channel protocol. I have used system-mac 0001.0010.0010 command under vpc on N5Ks. Weird thing is , C3560 sees...

My current network comprised of one L3 switch, several L2 switches without POE, all are reaching EOL and I am planning to replace them with new design with POE support as shown in the attached diagram. I am buying L2 switches with POE support conside...

I have an issue with vpc in N5K. I am trying to upgrade the existing 3750 stack router with 2 Nexus 5596 running VPC between them. For the transition I have planned to create a channel between 3750 stack and 5596's. Once this environment is set, my p...

Hi guy,We have 2 N7K (N7KA and N7KB) which will be running vPC in hybird and pure vPC environment. I have a question about the Hybird and pure vPC environment. With the "peer-switch" command enable, should i tune the spanning-tree priority to be the ...