Switch; Upgrading Software; Switches - Juniper JUNOS OS 10.3 - SOFTWARE Manual

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Upgrading Software

Upgrading Software Using Automatic Software Download on EX Series Switches
90
®
OS for EX Series Ethernet Switches, Release 10.3
To reboot the switch using a snapshot in a specific partition on the USB flash drive:
user@switch> request system reboot media external slice 1
Creating a Snapshot on an Internal Flash Drive and Using it to Boot the Switch
A snapshot can be created on internal memory after a switch is booted using files stored
in external memory.
To create a snapshot in internal memory and use it to boot the switch:
Place the snapshot files in internal memory:
1.
user@switch> request system snapshot parition media internal slice 1
NOTE: This example uses the
a partition for the snapshot, you don't need to use the
(Optional) Perform this step if you want to boot the switch now using the newly
2.
created snapshot. If you created the snapshot as a backup, do not perform this step.
To reboot the switch using the most recently created snapshot:
user@switch> request system reboot media internal
To reboot the switch using a snapshot in a specific partition in internal memory:
user@switch> request system reboot media internal slice 1
Verifying That a System Snapshot Was Created on an EX Series Switch on page 96
Understanding System Snapshot on EX Series Switches on page 72
Upgrading Software Using Automatic Software Download on EX Series
Switches on page 90
The automatic software download feature uses the DHCP message exchange process
to download and install software packages. You configure the automatic software
download feature on EX Series switches acting as DHCP clients. You must enable
automatic software download on the EX Series switch before the software upgrade can
occur.
You configure a path to a software package file on the DHCP server. The server
communicates the path to the software package file through DHCP server messages.
If you enable automatic software download, the DHCP client EX Series switch compares
the software package name in the DHCP server message to the name of the software
package that booted the switch. If the software packages are different, the DHCP client
option. If you have already created
partition
partition
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option.