Data Center Switches

Hello Everyone:in the "stp_enha.pdf" page 8-2 said that When the switch powers up, or when a device is connected to a port, the port enters the spanning tree listening state. When the Forward Delay timer expires, the port enters the learning state. W...

Dear experts i would like to know the differences between the Nexus 9300 9300 EX/FX/FX2/FX3 switches, some of them i know according to the below link but FX3 are new comers what are the differentiate in FX3.https://www.ciscolive.com/c/dam/r/ciscolive...

hello, i have a special topic: we want to use PTP for some servers and the servers need it in unicast mode. PTP is already available in the fabric and when using mutlicast mode we see PTP packets on the interface (as multicast). as mentioned above th...

We have a couple upcoming Data Center technical enablement sessions . Please feel free to share and register today. We are pleased to invite you to the next sessions for our Cisco Data Center Networking Webinar Series! The webinars are delivered by o...

I have recently come across a NXOS deployment running 9.3 and am confused by the "show ip route" output.In the config is a static mroute (ip mroute 1.1.1.0/24 2.2.2.2) which is only expected to affect multicast traffic.When a "show ip route" is execu...

Hi,I'm trying to understand limitation of SVI in vPC with BFD feature.I'm looking at https://www.cisco.com/c/en/us/td/docs/dcn/nx-os/nexus9000/103x/configuration/interfaces/cisco-nexus-9000-nx-os-interfaces-configuration-guide-103x/b-cisco-nexus-9000...

Hi, We have a 2Mb inter-DC link connected to our Nexus 9K's - C93180YC-FX, running 9.2.1. Does anyone have an example of traffic shaping I could use on the interfaces to ensure the traffic matches end-to-end so that the traffic is "smoothed out" or s...

Wanted to review/add zone configuration for a 9148 switch but it looks like Cisco Device Manager was discontinued years ago. Searching this forum I found this post that refers to DNMC which from what I understood also seem to have been discontinued.O...

Hi Freind1. as long as F2 and F2E Support L2/L3 , do we still need the M Line Card ? Talking OTV ,FP,VxLAN, Routing 2. if no then what is the Function of M Line card with existence of F2 and F2E Support L2/L3 in the N7K Platform thanks

We are replacing our EOL Nexus 7K,5K & 2K`s to Nexus 9K switches (core - 93180YC-FX, access - 9348GC-FXP).We have SD-WAN & Internet links from each 7K & we have 2 DWDM links between our 2 Datacentres.We have stretched vlans across both DC`s via the D...

Hi All,  Firstly thankyou in advance for taking the time to respond to my question.I'm new to VXLAN and looking into how we can migrate from a HSRP default gateway to VXLAN using Anycast IP.  I have two questions but feel free to add anything you mig...

Hi Freindswhat is the use case of Active /Active Data Center leverage DCI let's say (OTV Based Solution as it is easy) other than vMotion/Geo-Cluster/Adjacent L2 servers Thanks

Hi Guys Can y pls List for me the vPC inconsistency check logs type and the reasons behind it? Thanks

AI can be used to patch datacenter systems that have Cisco gear. AI can be used to automate the patching process, which can save time and resources, and it can also help to ensure that patches are applied correctly and consistently.There are a few di...