# Data Center **URL:** https://forum.networklessons.com/c/data-center/36.md [Latest](https://forum.networklessons.com/latest.md) · [Categories](https://forum.networklessons.com/categories.md) --- ## [About the Data Center category](https://forum.networklessons.com/t/about-the-data-center-category/3877)
**Author:** [@ReneMolenaar](https://forum.networklessons.com/u/ReneMolenaar)\ **Replies:** 0\ **Last updated:** [May 15, 2018, 8:35am UTC](https://forum.networklessons.com/t/about-the-data-center-category/3877 "2018-05-15T08:35:35Z")
This category is to discuss any Data Center related technologies and topics like Nexus, NX-OS, etc. --- ## [Designing scalable networks and automation (AWS Interview Question)](https://forum.networklessons.com/t/designing-scalable-networks-and-automation-aws-interview-question/58829)
**Author:** [@as5701040](https://forum.networklessons.com/u/as5701040)\ **Replies:** 1\ **Last updated:** [July 27, 2026, 5:03am UTC](https://forum.networklessons.com/t/designing-scalable-networks-and-automation-aws-interview-question/58829 "2026-07-27T05:03:47Z")
Hello All This is my first post here, not sure if its in the right category! I have final interview rounds with AWS for a Network Development Engineer role coming up next week and the Design interview will have question… --- ## [VXLAN and BGP](https://forum.networklessons.com/t/vxlan-and-bgp/58819)
**Author:** [@paolo.tonin](https://forum.networklessons.com/u/paolo.tonin)\ **Replies:** 3\ **Last updated:** [July 8, 2026, 4:25am UTC](https://forum.networklessons.com/t/vxlan-and-bgp/58819 "2026-07-08T04:25:09Z")
Hi, I have a layout with 2 spines and 6 leaf (2 couple in vpc); How many AS numbers should I create? One per single element, or for 3 leaf vpc, one per vpc couple ? --- ## [VXLAN Question Around Loopback reachability across VPC Cluster](https://forum.networklessons.com/t/vxlan-question-around-loopback-reachability-across-vpc-cluster/58810)
**Author:** [@ndsodaro](https://forum.networklessons.com/u/ndsodaro)\ **Replies:** 1\ **Last updated:** [May 24, 2026, 8:37am UTC](https://forum.networklessons.com/t/vxlan-question-around-loopback-reachability-across-vpc-cluster/58810 "2026-05-24T08:37:58Z")
Hi Folks, I hope all is well. I have a question regarding a scenario below & whether there’s any way around it NOT using advertise PIP: Two Switches in a VPC running VXLAN connected to a set of Spines Each switch has … --- ## [Certifications for enterprise storage solutions](https://forum.networklessons.com/t/certifications-for-enterprise-storage-solutions/58790)
**Author:** [@1130](https://forum.networklessons.com/u/1130)\ **Replies:** 3\ **Last updated:** [March 17, 2026, 6:42am UTC](https://forum.networklessons.com/t/certifications-for-enterprise-storage-solutions/58790 "2026-03-17T06:42:30Z")
Greetings, this might be slightly off-topic, but this seemed the best place to ask. When it comes to market leaders, Cisco is the “gold standard” when it comes to networking. Regarding the domain of storage solutions f… --- ## [Looking for NEXUS and ACI lessons](https://forum.networklessons.com/t/looking-for-nexus-and-aci-lessons/52876)
**Author:** [@saini.bhupesh](https://forum.networklessons.com/u/saini.bhupesh)\ **Replies:** 1\ **Last updated:** [October 19, 2024, 5:21am UTC](https://forum.networklessons.com/t/looking-for-nexus-and-aci-lessons/52876 "2024-10-19T05:21:34Z")
Looking for NEXUS and ACI lessons. Please advise by when they will ready. --- ## [How do IaaS providers manage networking and security](https://forum.networklessons.com/t/how-do-iaas-providers-manage-networking-and-security/47522)
**Author:** [@fortunemyambo](https://forum.networklessons.com/u/fortunemyambo)\ **Replies:** 2\ **Last updated:** [May 7, 2024, 11:29am UTC](https://forum.networklessons.com/t/how-do-iaas-providers-manage-networking-and-security/47522 "2024-05-07T11:29:12Z")
As a newbie in the field of Datacenter and IaaS provider in particular I would like to get some literature on how to manage networking and security requirements for IaaS providers. I work for a Telco operator who intends… --- ## [Nexus training](https://forum.networklessons.com/t/nexus-training/5221)
**Author:** [@hyraval.cp](https://forum.networklessons.com/u/hyraval.cp)\ **Replies:** 5\ **Last updated:** [March 26, 2024, 5:32am UTC](https://forum.networklessons.com/t/nexus-training/5221 "2024-03-26T05:32:51Z")
Hello Team: I just want to know, do we have any plan to introduce Nexus classes in future ? --- ## [Looking for details on troubleshooting](https://forum.networklessons.com/t/looking-for-details-on-troubleshooting/41290)
**Author:** [@jbhosle](https://forum.networklessons.com/u/jbhosle)\ **Replies:** 1\ **Last updated:** [December 11, 2023, 10:55am UTC](https://forum.networklessons.com/t/looking-for-details-on-troubleshooting/41290 "2023-12-11T10:55:13Z")
Given a scenario where you have two routers, one in data centre X (US) and other in data centre Y (UK), and these data centres are connected via different ISP1 and ISP2. R1 in DC X (US) ----- ISP1------Internet------ISP… --- ## [Datacenter - routing traffic](https://forum.networklessons.com/t/datacenter-routing-traffic/37966)
**Author:** [@sonti444](https://forum.networklessons.com/u/sonti444)\ **Replies:** 4\ **Last updated:** [July 13, 2023, 7:18am UTC](https://forum.networklessons.com/t/datacenter-routing-traffic/37966 "2023-07-13T07:18:41Z")
Datacenter. how the regional traffic gets routed to external destination ? what kind of traffic exited from the Data center? HI Can you please clarify me on this? Thanks --- ## [Set port mode NCS-57C3-MODS-SYS](https://forum.networklessons.com/t/set-port-mode-ncs-57c3-mods-sys/35922)
**Author:** [@vriesjde](https://forum.networklessons.com/u/vriesjde)\ **Replies:** 1\ **Last updated:** [April 18, 2023, 4:55am UTC](https://forum.networklessons.com/t/set-port-mode-ncs-57c3-mods-sys/35922 "2023-04-18T04:55:27Z")
Hi Folks, I am currently configuring a NCS-57C3-MOD-SYS. Base chassis has: 48x 1/10/25Gb port, 4x 100G Running IOS-XR 7.9.1 I am trying to configure the ports, currently they are: Hu0/0/0/24 - Hu0/0/0/27 TF0/0/0/0 … --- ## [Need lesson on NEXUS](https://forum.networklessons.com/t/need-lesson-on-nexus/28628)
**Author:** [@rkvignesheee](https://forum.networklessons.com/u/rkvignesheee)\ **Replies:** 2\ **Last updated:** [July 23, 2022, 5:02am UTC](https://forum.networklessons.com/t/need-lesson-on-nexus/28628 "2022-07-23T05:02:52Z")
Need lession on NEXUS --- ## [Data Centre Concepts](https://forum.networklessons.com/t/data-centre-concepts/3835)
**Author:** [@aquas19](https://forum.networklessons.com/u/aquas19)\ **Replies:** 14\ **Last updated:** [July 20, 2022, 5:38am UTC](https://forum.networklessons.com/t/data-centre-concepts/3835 "2022-07-20T05:38:47Z")
Hi, I am new to this site,so have not checked the entire site,but cant seem to find anything about Data Centre. There seems to be a mix of Data Centre terminology being used now in a routing and switching environment s… --- ## [Nexus 9000v licenses](https://forum.networklessons.com/t/nexus-9000v-licenses/15487)
**Author:** [@Tanyatamir](https://forum.networklessons.com/u/Tanyatamir)\ **Replies:** 1\ **Last updated:** [October 6, 2021, 8:07am UTC](https://forum.networklessons.com/t/nexus-9000v-licenses/15487 "2021-10-06T08:07:32Z")
I’m in the process of setting up nexus 9000v in ESXI. I noticed I can’t get any layer 3 connectivity to the uplink VNIC to my physical L3 switches, which has routed ports. I have run some layer two troubleshooting step… --- ## [Data Center - VXLAN](https://forum.networklessons.com/t/data-center-vxlan/8651)
**Author:** [@shankar.nair.sv](https://forum.networklessons.com/u/shankar.nair.sv)\ **Replies:** 2\ **Last updated:** [February 6, 2020, 12:24pm UTC](https://forum.networklessons.com/t/data-center-vxlan/8651 "2020-02-06T12:24:37Z")
Hi Rene, and team, I was hoping you’d have some topic on VXLAN. I am disappointed that I could not find anything on it. I joined this site paying money based on some of the youtube introductory videos where I thought yo… --- ## [OTV FHRP localizing default gatway](https://forum.networklessons.com/t/otv-fhrp-localizing-default-gatway/9131)
**Author:** [@michaelby1](https://forum.networklessons.com/u/michaelby1)\ **Replies:** 0\ **Last updated:** [December 10, 2019, 9:41am UTC](https://forum.networklessons.com/t/otv-fhrp-localizing-default-gatway/9131 "2019-12-10T09:41:12Z")
I have an issue where I have a vlan in 2 DC but the Default gateway for both is in one DC. There is an issue when large amounts of data need to reach DG.I am trying to isolate bot DC so the default gateway for both Vlans… --- ## [Nexus 7k upgrade](https://forum.networklessons.com/t/nexus-7k-upgrade/9076)
**Author:** [@michaelby1](https://forum.networklessons.com/u/michaelby1)\ **Replies:** 1\ **Last updated:** [December 6, 2019, 8:20am UTC](https://forum.networklessons.com/t/nexus-7k-upgrade/9076 "2019-12-06T08:20:18Z")
HI I am performing an ISSU on nexus 7K, the 7 k has both active and standby modules how do I log into both?. Is there 2 consoles ? --- ## [Nexus 7 K port-channel](https://forum.networklessons.com/t/nexus-7-k-port-channel/7476)
**Author:** [@michaelby1](https://forum.networklessons.com/u/michaelby1)\ **Replies:** 13\ **Last updated:** [June 26, 2019, 2:15pm UTC](https://forum.networklessons.com/t/nexus-7-k-port-channel/7476 "2019-06-26T14:15:47Z")
I have 2 7k that I have to configure in a port channel group that will be connected to a fortigate firewall. do I assign to separate IP address for the 1 port channel ? I understand the config from the firewall to the… --- ## [Upgrading Nexus 7000 Fail](https://forum.networklessons.com/t/upgrading-nexus-7000-fail/5668)
**Author:** [@franciscojrs](https://forum.networklessons.com/u/franciscojrs)\ **Replies:** 2\ **Last updated:** [December 17, 2018, 3:37pm UTC](https://forum.networklessons.com/t/upgrading-nexus-7000-fail/5668 "2018-12-17T15:37:16Z")
I’m try to upgrade from 7.3(0)D1(1) to 8.1(2) via ISSU. I’m getting the following error: Return code 0x40930011 (Image verification failed). I check the file MD5sum and they are equal. This are the command that I ha… --- ## [Nexus 9k Spine and leaf](https://forum.networklessons.com/t/nexus-9k-spine-and-leaf/3082)
**Author:** [@kawshiksark](https://forum.networklessons.com/u/kawshiksark)\ **Replies:** 4\ **Last updated:** [March 9, 2018, 10:21am UTC](https://forum.networklessons.com/t/nexus-9k-spine-and-leaf/3082 "2018-03-09T10:21:30Z")
Hi renee, I dont see anything on Nexus 9k spine and leaf, VXLAN, BGP-EVPN type content. Is it there somewhere that i am missing? --- ## [Nexus 7000 switches](https://forum.networklessons.com/t/nexus-7000-switches/1915)
**Author:** [@moorthyy27](https://forum.networklessons.com/u/moorthyy27)\ **Replies:** 3\ **Last updated:** [January 17, 2018, 3:12pm UTC](https://forum.networklessons.com/t/nexus-7000-switches/1915 "2018-01-17T15:12:10Z")
could you discus some lesson about nexus 7000 and it series --- ## [HSRP in VPC between Nexus Switches](https://forum.networklessons.com/t/hsrp-in-vpc-between-nexus-switches/2327)
**Author:** [@azmuddincisco](https://forum.networklessons.com/u/azmuddincisco)\ **Replies:** 2\ **Last updated:** [October 31, 2017, 6:04pm UTC](https://forum.networklessons.com/t/hsrp-in-vpc-between-nexus-switches/2327 "2017-10-31T18:04:21Z")
Hello Rene, I know my question is not relevant here since this is not the right platform for this question. However, it will be really helpful if you or someone else clarifies this. I am going to use the above topol… --- ## [Cisco Nexus 9K Configuration](https://forum.networklessons.com/t/cisco-nexus-9k-configuration/2112)
**Author:** [@zballa](https://forum.networklessons.com/u/zballa)\ **Replies:** 1\ **Last updated:** [September 8, 2017, 3:23pm UTC](https://forum.networklessons.com/t/cisco-nexus-9k-configuration/2112 "2017-09-08T15:23:01Z")
Does anyone know how to configure embedded policies and QoS,MQC on Cisco 9K Nexus? Thanks