Irf Mac-Address Persistent Always - HPE FlexFabric 12900E Command Reference Manual

Usage guidelines
CAUTION:
IRF bridge MAC address change causes transient traffic disruption.
You can specify the bridge MAC address of an existing IRF fabric for a new IRF fabric to replace the
existing IRF fabric with transient packet loss.
This command is supported only in IRF mode.
When you change the operating mode from IRF to standalone, the IRF bridge MAC address
configuration is lost, regardless of whether you have saved the configuration.
On a switched LAN, the IRF bridge MAC address must be unique.
After you specify an IRF bridge MAC address, the IRF fabric always uses the specified address as
the IRF bridge MAC address.
When IRF fabrics merge, IRF ignores the IRF bridge MAC address and checks the bridge MAC
address of each member device in the IRF fabrics. IRF merge fails if any two member devices have
the same bridge MAC address.
After IRF fabrics merge, the merged IRF fabric uses the bridge MAC address of the merging IRF
fabric that won the master election as the IRF bridge MAC address.
If an IRF fabric splits after you configure the IRF bridge MAC address, both the split IRF fabrics use
the configured bridge MAC address as the IRF bridge MAC address.
Examples
# Configure the IRF fabric to use c4ca-d9e0-8c3c as the IRF bridge MAC address.
<Sysname> system-view
[Sysname] irf mac-address c4ca-d9e0-8c3c

irf mac-address persistent always

Use irf mac-address persistent always to enable the IRF fabric to not change its bridge MAC
address after the address owner leaves.
Use undo irf mac-address persistent to enable the IRF fabric to change its bridge MAC address as
soon as the address owner leaves.
Syntax
irf mac-address persistent always
undo irf mac-address persistent
Default
The IRF bridge MAC address does not change after the address owner leaves.
Views
System view
Predefined user roles
network-admin
Usage guidelines
This command is supported only in IRF mode. When you change the operating mode from IRF to
standalone, the bridge MAC persistence setting is lost, regardless of whether you have saved the
configuration.
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