Data Center Switches

So if I have a pair of 93k as Core in a vPC domain, and then I have 2 pairs of 9k Access switches that I want to connect to the cores, should I configure these in a vPC domain just as the cores? How do I configure the actual trunk links between them?

Does PoaP on the 5600 series switches support/correctly handle applying breakouts as part of the configuration replay process? I need to break out a bunch of interfaces on both modules and then apply access vlans/STP config on them but I'm not sure i...

Hi - I run a lab and noticed after upgrading that the Cisco upgrade to 9.2.1 from 7.0.3.I4.8a where it was corrected in the below bug, seems to exist in the new 9.2.1 code. Before the upgrade to 9.2.1 the fans were running at 4000RPM , after the upgr...

Hi,    1)  I have below software version on my N7010 and wanted to upgrade it to 7.0 for making a dual home connection between N7k and N2k. Can you please guide me is it possible and what the procedure? 2)  Do we need any L3 license on N7010 with F2 ...

Good Morning,   We are having an issue with the DHCP on a cisco 4507R+E Switch, if we delete the DHCP config and add the config again, the users start to work again without any issues.   IOS: cat4500e-universalk9.SPA.03.02.09.SG.150-2.SG9.bin   Attac...

Hi all,   I have two N5K and 2 no of N2K, FEX and VPC configured. Whenever i connect GLC-TE or any SFP (MM or SM) its not detecting but if i reload the N2K (like power off and ON back) then its detecting. What is the reason and how to fix it.  Thanks

We have one pair of N5K's and planning on migrating them to a pair of N9K's.I am not Network engineer, but I am seeking for steps to migration without downtime, as detail as possible. What I can think of is that join these two N9K's in fabrics first,...

Hi,    Is criss-cross connection is possible between conventional N2k and N5k, if yes which nexus OS version supports?

 Greetings!   I have couple of  /24 overlay based networks on a nexus 7K switch. The route to these overlay networks is through 2 Edge software routers that are in ECMP How do i configure same destinaitonnetwork routes with equal weight pointed at th...

Hi,   Nexus 7K S1 has CMP port. I am wondering anyone had performed NX-OS software upgrade remotely through CMP like a console port.   Thanks.

Hi Vlan 900 exists in the switch4500 and it is native. it shows "Spanning tree instance(s) for vlan 900 does not exist" when using command "show spanning-tree vlan 900. Why is that?  by command show run | b spanning, we can see "spanning-tree vlan 1-...

Some ports of my nexus sport to work, I checked the log and collected this messages:   2018 Aug 8 11:43:11 swa.001 %PLATFORM-2-MOD_REMOVE: Module 2 removed (Serial number JAE18160R11)2018 Aug 8 11:43:13 swa.001 %PLATFORM-2-MOD_DETECT: Module 2 detect...

Hi all here is my scenario that I'm looking to get some feedback on and in my opinion this might be part of some issues:   - 2 NX 7K's.  - Peer Keep alive links, vPC peer link - port channel trunking all VLANs. (Is this even needed)?Switch 1 = VRRP M...

Hello Team,    I need your comments on attached DC Design for its traffic flow . any suggestsion will be appreciated.  ?   Regards