topic RE: Best Practice: Replacing Core Stack Master incl. MLAG Master in ExtremeSwitching (Other)

Best Practice: Replacing Core Stack Master incl. MLAG Master

Nico_Lueck — Tue, 16 Jan 2018 19:56:00 GMT

Hi,

customer having Following Setup:

Now I need to replace the both Stack master regarding:
https://extremeportal.force.com/ExtrArticleDetail?an=000069351

I'm wondering if anyone have a best practice advise for it to do that replacement without service Interruption.

Not sure what will happen when changing the Master Stack note in case of mLAG, as the MLAG MAC is changing. Anything else I need to think about?

RE: Best Practice: Replacing Core Stack Master incl. MLAG Master

OscarK — Tue, 16 Jan 2018 20:01:00 GMT

If you configured the stack mac address and MLag lacp mac-address no mac-address will change.
https://extremeportal.force.com/ExtrArticleDetail?an=000079895
configure mlag peer lacp-mac

RE: Best Practice: Replacing Core Stack Master incl. MLAG Master

Nico_Lueck — Tue, 16 Jan 2018 20:15:00 GMT

ok, but I think when changing that one, on master and backup Core, there will be an interruption?

RE: Best Practice: Replacing Core Stack Master incl. MLAG Master

OscarK — Tue, 16 Jan 2018 20:16:00 GMT

If you reconfigure the mlag lacp-mac you will get a short outage yes.