Server Networking

We are deploying a pair of Nexus 7009, running NX-OS version 6.0(4).Customer is attaching HP servers running ESX via 2 x 10gig connections, 1 connection to each core switch.Connection to the second switch goes down after a period of time with the err...

A Nexus 93180YC-EX on 7.0(3)I7(4) exports Neflow to WhatsUP but it all arrives as HOPOPT / IPv6 Hop-by-Hop Option, no application data is seen, it is an IPv4 network. It has been posted about but I can't find anything relevant to the Nexus, does anyo...

On the process of HX Installer ，config the all parameter（server FI IP account Vlan and so on） and then deployed last step progress（Complete HX Data Platform Deployment、HyperFlex Cluster  ） It occur error！ As follow：Installing Software Packages on Sto...

Hi Experts, As I know, Progammable VXLAN Fabirc have anycast gateway which reside on every TOR(VTEP). The layer3 traffic will forward  by local VTEP. What about if I want to deny some traffic between two subnets or VNIs? I must configure ACL on ev...

Hi! I have a scenario where a customer is currently using two 10GB ports in a port channel between two 56128P Nexus switches as the vPC Peer Link, and wants to upgrade this to an 80GB port channel by leveraging two unused 40GB ports.  vPC is operatin...

Hi, I am facing some design challenge while designing the DC architecture. 1. I have only 4 ports of routers. Two are used for up link connectivity (bundled) towards ISP and other 2 are used for down link connectivity (bundled)2. Do i really need to ...

I noticed that we have a mismatch between VRF-ID's in our N5K switches. Will this be an issue in the future? I haven't noticed any problems so far...   It's visible when running 'show vrf' command: Switch-001# sh vrfVRF-Name VRF-ID StateVRF-A 11 UpVR...

Dear experts, I would like to know any simulator for Nexus 9K and Nexus 5k, so I can test VDC/VPC and ACI I prefer the interface of webiou, where we can design our topology, but I check webiou or GNS, we can't create toplogy for N9K and N5k, so any ...

I was given the attached design to implement a pair of PA 5050's between the user segment and the data center. Can anyone tell me if this is a valid LACP connection? I have never seen it done without a Stacking or VPC link on the other end of the por...

Hello-I have an ASA 5510 device mounted in an APC rack with the face-plate forward so that the network cables plug into the back. It appears to me that the front of the device has both an intake fan and an exhaust fan all in the front. Most if not al...

Hello, for a school project, I created a Datacenter, a client and an ISP. For the client to access the website on the web server I put the IP of the R-DC router (5.22.155.25) on the PC as the DNS server. On the D-RC router, I forwarded the port so th...

Hi, We are setting up two Nexus 5672 that will act as the new core managing SVIs and replacing two 6500 switches that will remain as layer 2 access switches. These two Cisco 6500 will be connected to the new core switches with two 20 Gbps VPCs and wi...