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Cisco Employee

Change for L2 to L3 svs mode on an existing deployment

Hello,

We are currently running L2 svs mode in the lab and I would like to change to L3 mode with the specific configuration additons below.
(not worried about a dedicated control vlan at the moment since this is functional testing).

My question is, will there be any impact to moving to L3 svs mode?  I am expecting this change to only impact control traffic between the VSM and VEM.  We currently have mutliple networks/vlans trunked in on the uplink and I don't want to impact the switching behavior there.

Thanks in advance

Jay

// Current vmkernel interface

port-profile type vethernet 10.201.112.x

  vmware port-group

  switchport access vlan 794

  switchport mode access

  no shutdown

  system vlan 794

  max-ports 128

  state enabled

// Proposed addition

  capability l3control

  capability l3-vservice

// Current svs config

svs-domain

  domain id 4014

  control vlan 794

  packet vlan 794

  svs mode L2

// Proposed change

svs-domain

  svs mode L3 interface mgmt0

Everyone's tags (3)
1 REPLY 1
Cisco Employee

Re: Change for L2 to L3 svs mode on an existing deployment

Hi,

Yes you are right. Its only for how the VSM and VEM will communicate.

Addition to svs mode, the control vlan and packet vlan config in svs-domain should be removed using the commands "no control vlan" and "no packet vlan".

svs-domain

     no control vlan

     no packet vlan

     svs mode L3 interface mgmt0

Before making the svs-domain config change you will need to disconnect the svs connection to vCenter, make the changes and then re-connect it.
A detailed migration guide is availalble in the below link.

Cisco Nexus 1000V Installation and Upgrade Guide, Release 4.2(1)SV2(2.1x) Series  - Upgrading the Cisco Nexus 1000V  [Ci…

Also the capability l3-vservice is not mandatory unless you are using any vsg/vpath services.

Regards,
Manikanta

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