Data Center Switches

Hi,we have one site and one datacenterOur requirement at data center 4x48 switches.it is not fully populated.the consultant is recommending to go with Bgp Evpn vxlan,spine and leaf architecture Actually when do we go for the above setup.is it really ...

I found problem but didn't find a solution. -Problem  It uses a mix of F2 + M1 module, and it is a problem that occurs when port-channel is set. As the module comes alive,we can confirm that VDC state change will affect control plane pkt(OSPF hello) ...

Hello! My customer recently run a vulnerability test on his Nexus 7000 and 5000 aquipment. The test shows the following vulnerability  "Deprecated SSH Cryptographic Settings" within SSH configuration with the following impact "A man-in-the-middle att...

Update: found the answer that using "system-mac xxxx.xxxx.xxxx" command under vpc. I was hoping it would have less impact on live vPC domain when I have conflict domain IDs but it seems it would have the same impact when assigning a new domain ID... ...

Hello everyone,I am working on a new DC design. Here are some questions you definitely can help to find a right answer for.1) In a TOR design, I am going to have a 93180YC-FX at the Top of each rack.2) Servers are going to connect with NIC , HBA and ...

Ok, so I just received some 9348 switches.  Since that product is NX-OS based; I wondered (without looking at the support chart FIRST) if they supported FEX's; since the NX-OS versions one can run on them do.  And since they have 4 SFP+ and 2 QSFP po...

Dear all,  I have been investigating the relationship between ACL and unique label.According to the following URL, only 62 unique ACL can be configured however it can be configured more than 100 name ACLs.How can I understand this situation? https://...

Recently we bought cisco MDS switch with higher version than the existing switches which are in stack. we have connected the new switch into the stack , however we would like to download it to lower version which other switches are running. Can you p...

Hi team,I have two Nexus 9k (vPC) with peer-switch configuration and MST (all vlans are in MST0) with the same priority.One of the vPC peer was down and immediately after that I can see in log that port-channel4 (peer-link) was changed to blocking fr...

I have two issues that I can't find the answer for online. I had to swap out two line cards (a 10/40 gbps ethernet module and a 1/10 gbps moudule.)Both modules are green and have a status of "ok." The 10/40 gbps module's interfaces came up and I allo...

Hi all, I'm setting up a lab in GNS3 to pilot enabling DHCP snooping and Dynamic ARP inspection.  I got this setup and working properly with a Nexus 7k image, but it doesn't support port channels and I want to setup my lab to mirror the real environm...

Does the N9K 9200/9300 series require a reload when changing to store and forward mode? The documentation doesn't mention a reboot for nexus 9K. The only nexus switches where I see a reload is necessary is the 5600. https://www.cisco.com/c/en/us/td/d...