An irf fabric uses member ids to uniquely identify and manage its members and you must assign each irf member switch a unique member id.
Hp 3600 switch configuration guide.
Configuration guide hp 3600 v2 switch series layer 2 lan switching configuration guide part number.
Hewlett packard enterprise hpe.
Identifying physical irf ports on the member switches.
May have older product names and model numbers that differ from current models.
For more information about master election see the hp 3600 v2 switch series irf configuration guide prepare an irf member id assignment scheme.
Products sold prior to the november 1 2015 separation of hewlett packard company into hewlett packard enterprise company and hp inc.
Hp 3600 v2 switch series installation guide.