12
timer
: Enables the IRF virtual device to preserve its bridge MAC address for six minutes after the master
leaves.
Description
Use the
irf mac-address persistent
command to enable the IRF virtual device to preserve its bridge MAC
address for a certain period after the master leaves.
Use the
undo irf mac-address persistent
command to enable the IRF virtual device to change its bridge
MAC address as soon as the master leaves.
By default, the IRF virtual device preserves its bridge MAC address for six minutes after the master leaves.
The IRF virtual device handles its bridge MAC address depending on the MAC preservation setting:
•
Preserve for six minutes—When the master leaves, the bridge MAC address does not change within
six minutes. If the master does not come back when the preservation time expires, the IRF virtual
device uses the bridge MAC address of the newly elected master as its bridge MAC address.
•
Preserve permanently—No matter whether the master leaves the IRF virtual device or not, the bridge
MAC address of the IRF virtual device remains unchanged.
•
Not preserved—As soon as the master leaves, the IRF virtual device uses the bridge MAC address
of the newly elected master as its bridge MAC address.
IMPORTANT:
When you plan a network that uses ARP MAD and MSTP, use the
undo irf mac-address persistent
command to configure the bridge MAC address of the IRF virtual device to change as soon as the master
leaves.
Examples
# Configure the bridge MAC address of the IRF virtual device to be preserved permanently.
<Sysname> system-view
[Sysname] irf mac-address persistent always
irf member description
Syntax
irf member
member-id
description
text
undo irf member
member-id
description
View
System view
Default level
3: Manage level
Parameters
member-id
: ID of an IRF member switch.
text
: Description of the member switch, which is a string of 1 to 127 characters.
Description
Use the
irf member description
command to configure a description for an IRF member switch.
Use the
undo irf member description
command to restore the default.
