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During the reboot, you may choose to have the system automatically convert the startup
configuration file. Automatic configuration conversion prevents slot- or interface-related settings
from becoming invalid. For example, the system adds member ID information to interface numbers
and file paths in IRF mode.
Restrictions and guidelines
Upon an operating mode change, the system automatically converts interface names by adding or
deleting the first number segment (the member ID) in the interface number. When performing this
task, the system converts every string in a valid interface name format without identifying whether or
not they are interface names. To avoid undesirable configuration changes that result from false
modification, do not name any objects except interfaces in a valid interface name format.
The following are valid interface name formats:
•
interface-type interface-number
, which has a space between the two arguments.
•
interface-typeinterface-number
, which does not have a space between the two arguments.
The system uses the space-separated format to match CPOS E1, E3, T1, and T3 interfaces and
uses the non-space format to match other types of physical interfaces.
If a string (except the string configured by using the
description
command) matches a valid
interface name, the system converts that string. For example, if a VLAN exists with a name of
GigabitEthernet1/0/7
in standalone mode, the VLAN name will change to
GigabitEthernetn/1/0/7
in IRF mode. The
n
argument represents the IRF member ID.
Prerequisites
Before you change the operating mode, verify that a unique IRF member ID has been assigned to
the device.
Procedure
1.
Enter system view.
system-view
2.
Set the operating mode to IRF mode.
chassis convert mode irf
The default operating mode is standalone mode.
IRF generates packets on a device in IRF mode even if the device does not form an IRF fabric
with any other devices. To conserve system resources, set a device to standalone mode after
removing it from an IRF fabric. To restore the standalone mode, use the
undo chassis
convert mode
command.
Accessing the IRF fabric
The following methods are available for accessing an IRF fabric:
•
Local login
—Log in through the console port of any member device.
•
Remote login
—Log in at a Layer 3 interface on any member device by using methods
including Telnet and SNMP.
The IRF fabric appears as one device after it is formed. When you log in to an IRF fabric, you are
placed at the CLI of the global active MPU, regardless of at which member device you are logged in.
You configure and manage all IRF members at the CLI of the global active MPU. All settings you
have made are automatically propagated to the IRF members.
For more information, see login configuration in
Fundamentals Configuration Guide
.
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