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JUNOS 10.1 Software Release Notes
NOTE: After you install a JUNOS 10.1 Release
request system software rollback
software. Instead you must issue the
and specify the
NOTE: Before you upgrade a router that you are using for voice traffic, you should
monitor call traffic on each virtual BGF. Confirm that no emergency calls are active.
When you have determined that no emergency calls are active, you can wait for
nonemergency call traffic to drain as a result of graceful shutdown, or you can force
a shutdown. For detailed information on how to monitor call traffic before upgrading,
see the JUNOS Multiplay Solutions Guide.
Upgrading a Router with Redundant Routing Engines
If the router has two Routing Engines, perform a JUNOS Software installation on each
Routing Engine separately to avoid disrupting network operation as follows:
1.
2.
3.
4.
For the detailed procedure, see the Junos OS Installation and Upgrade Guide.
Upgrading Juniper Routers Running Draft-Rosen Multicast VPN to JUNOS
Release 10.1
In releases prior to JUNOS Release 10.1, the draft-rosen multicast VPN feature
implements the unicast
address used to establish PIM neighbors and create the multicast tunnel. In this mode,
the multicast VPN loopback address is used for reverse path forwarding (RPF) route
resolution to create the reverse path tree (RPT), or multicast tunnel. The multicast
VPN loopback address is also used as the source address in outgoing PIM control
messages.
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Upgrade and Downgrade Instructions for JUNOS Release 10.1 for M Series, MX Series, and T Series Routers
Adding the
command reboots the router after the upgrade is validated
reboot
and installed. When the reboot is complete, the router displays the login prompt.
The loading process can take 5 to 10 minutes.
Rebooting occurs only if the upgrade is successful.
package that corresponds to the previously installed software.
jinstall
Disable graceful Routing Engine switchover (GRES) on the master Routing Engine
and save the configuration change to both Routing Engines.
Install the new JUNOS Software release on the backup Routing Engine while
keeping the currently running software version on the master Routing Engine.
After making sure that the new software version is running correctly on the
backup Routing Engine, switch over to the backup Routing Engine to activate
the new software.
Install the new software on the original master Routing Engine that is now active
as the backup Routing Engine.
lo0.x
jinstall
package, you cannot issue the
command to return to the previously installed
request system software add validate
address configured within that instance as the source
command
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