Juniper EX9200 Features Manual page 219

Step-by-Step
Procedure
Copyright © 2017, Juniper Networks, Inc.
NOTE: The root file system is backed up to
up to
/altconfig
you cannot easily return to the previous version of the software, because
the device flash and hard disks are identical. To return to the previous
version of the software, you must boot the device from removable media.
{master}
user@host> request system snapshot
user@host> request routing-engine login re1
{backup}
user@host> request system snapshot
Restoring Feature-Specific Configuration
If you have any of the following feature-specific configuration on your device, perform
the appropriate steps.
To restore feature-specific configuration:
If BFD is enabled on your device and you previously disabled the BFD timer
1.
negotiation, delete the
hierarchy level.
bfd]
{master} [edit]
user@host# delete protocols bfd no-issu-timer-negotiation
If proxy ARP is enabled on your M Series, MX Series, or EX9200 device and you
2.
previously removed the
again.
This example shows the ge-0/0/1 interface only.
{master} [edit]
user@host# set interfaces ge-0/0/1 unit 0 family inet unconditional-src-learn
If LACP is enabled on your PTX Series device and you previously removed the
3.
statement, include the statement again.
{master} [edit]
user@host# set interfaces aex aggregated-ether-options lacp
If ATM PPP is enabled on your M Series or T Series device and you previously set
4.
the keepalive interval to 10 seconds or greater, restore the original value.
This example shows the at-0/0/1 interface only and shows the interval being set
to the default 3 seconds.
{master} [edit]
user@host# set interfaces at-0/0/1 unit 0 keepalives interval 3
If ATM OAM is enabled on your M Series or T Series device and you previously set
5.
the OAM F5 loopback cell period to 20 seconds or greater, change the configuration
back to the original value.
. After you issue the
request system snapshot
no-issu-timer-negotiation
unconditional-src-learn statement, include the statement
Chapter 17: Performing a Unified ISSU
/altroot , and /config is backed
command,
statement at the [edit protocols
lacp
199