H3C S5120-EI Series, Руководство по эксплуатации

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from the master automatically, reboots with the new boot file, and joins the IRF again. If the downloaded
boot file and the local file have duplicate file names, the local file is overwritten.
Follow these steps to enable auto upgrade of boot files in an IRF:
To do… Use the command… Remarks
Enter system view
system-view
—
Enable auto upgrade of boot
files in an IRF
irf auto-update enable
Optional
Enabled by default
z
Although IRF supports the auto upgrade of boot files, to shorten the time for IRF establishment and
reduce the influences caused by the IRF establishment to the network, you are recommended to
ensure that the device and the IRF master have the same software version before adding a device
into an IRF.
z
After loading the master’s boot file automatically, a slave configures the file as the boot file for the
next boot and reboots automatically.
z
Because system boot file occupies large memory space, to make the auto upgrade succeed,
ensure that there is enough space on the storage media of the slave.
Setting the Delay Time for the Link Layer to Report a Link-Down Event
During the suppression time, the system cannot be aware of the switch between IRF link states; after
the suppression time, the link layer reports the link state changes to the system. Use this function to
avoid the reboots of devices caused by the frequent link state changes of IRF ports in a short time (for
example, an IRF splits and then merges quickly), preventing service interruption.
Follow these steps to set the delay time for the link layer to report a link-down event of an IRF:
To do… Use the command… Remarks
Enter system view
system-view
—
Set the delay time for the link
layer to report a link-down
event of an IRF
irf link-delay interval
Optional
The function is disabled by
default.
Do not set the time interval to a very long time; otherwise, the IRF system will not be aware of the IRF
topology changes in time and thus the service will be recovered slowly.