Data Center Switches

Hi guys, Just interested in what the industry are doing with regard to OTV DCI technology now with the advent of VXLAN and also Cisco dropping OTV from the new CCIE DC blueprint ? CheersTony 

HiI am looking for a document that gives me insight into fabricpath and the usage of VLAN1. Is VLAN1 generally added to fabricpath or is it explicitly NOT added to it (even if I don't use it for data transfer)? Are MDTs of fabricpath distributed over...

we have recently moved to use Nexus 9336 pair connecting over vPC domain replacing Juniper Core switches. We also have Nexus 93180s ToR switches connecting directly to Nexus 9336. All DC Server are connecting to these ToR switches. The Core is connec...

hi  I had a problem with my nexus 5k (5696) las day...it connects to my 2Ks(2348) like a normal design and worked perfect bu last day one of my FEX links to one of my FEXes started to goes from connected to fabric and goes back to connected and it to...

nexusHellowe have two nexus 7010 switch as a gateway in our data center. they are in a vPC domain. servers are connected through L2 Nexus 5010 to Nexus 7010. vpc is enabled both in nexus 5010 and nexus 7010. when we ping  from servers their gateway (...

We have a Nexus 5548UP switch, it logs required events, however when show logging, the logged events is not displayed in proper order. Starting April 23, 2019, the logged events were inserted into the logfile from the top. Does anyone encounter same ...

Is there any command that can help to get the count for the connected interface in catalyst C6509 with IOS 12.2? 

Hi Folks,In our data center design, We implemented a new VRF design to segregate the traffic and increase the capacity for specific traffic. So we have configured the 3 sub-interface. Ex Eth 1/49.234 Eth 1/50.234 Eth 1/52.234. We would like to know t...

Hi,i am getting below error during pre-upgrade check on nexus 3172, it seems there is not enough space in bootflash for upgrading nxos. but i am really worried what to delete from bootflash to free up space. switch# show install all impact system boo...

Hi  We have A nexus 7009 switch that is just running as a single unit with just routing and only admin vdc and one prod vdc and  no vpc,fabric path etc on it . My question is can we replace the M2 and F2 line cards below with new F3 line cards as is ...

I have a question around Nexus 9k where Tunnel keepalives are not supported for GRE tunnels. We are having an issue wherein the tunnel seems to be down on several instances as the other end of the tunnel isnt reachable. But due to keepalives restrict...

In DCNM under Devuce Manager, under Admin, Save Configuration, get Yes prompt, then get this error:ccCopyEntryRowStatus.139679566: Permission DeniedSearch Bug Tracker, Search Internet, Search Cisco.com, Search Cisco CommunityNo references to the erro...

Hi All,Just sharing an issue we encountered while our team was configuring a customer VxBlock System 1000.  Nexus 9336C-FX2 running 7.0(3)I7(6)QSFP-100G-SR4-S Transceiver (Avago AVG* Serial number)Port 1/29 & 1/30 breakout set to 25g-4xMTP to 4 Duple...

Hello,I'd like to know if there is a special order in whitch devices in a MULTISITE VXLAN BGP EVPN  fabric should be stopped and why,assuming servers and some other switchs are connected to leaves. We have 2 spines, 4 peer of leafs (running vpc ), tw...