Upgrade And Downgrade Issues For Junos Release 10.1 For Ex Series Switches; Upgrading Or Downgrading From Junos Release 9.4R1 For Ex Series Switches; Upgrading From Junos Release 9.3R1 To Release 10.1 For Ex Series Switches - Juniper JUNOS 10.1 - RELEASE NOTES REV 4 Release Note

JUNOS 10.1 Software Release Notes

Upgrade and Downgrade Issues for JUNOS Release 10.1 for EX Series Switches

The following pages list the issues in JUNOS Release 10.1R3 for EX Series switches
regarding software upgrade or downgrade:
Upgrading or Downgrading from JUNOS Release 9.4R1 for EX Series
Switches
The ARP aging time configuration in the
9.4R1 is incompatible with the ARP aging time configuration in JUNOS Release 9.3R1
or earlier and JUNOS Release 9.4R2 or later. If you have configured
aging-timer aging-time
to JUNOS Release 9.4R2 or later or downgrade to JUNOS Release 9.3R1 or earlier,
the switch will display configuration errors on booting up after the upgrade or
downgrade. As a workaround, delete the
the
the upgrade or downgrade.
The format of the file in which the Virtual Chassis topology information is stored was
changed in JUNOS Release 9.4. When you downgrade JUNOS Release 9.4 or later
running on EX4200 switches in a Virtual Chassis to JUNOS Release 9.3 or earlier,
make topology changes, and then upgrade to JUNOS Release 9.4 or later, the topology
changes you have made using JUNOS Release 9.3 or earlier are not retained. The
switch restores the last topology change you have made using JUNOS Release 9.4.
Upgrading from JUNOS Release 9.3R1 to Release 10.1 for EX Series
Switches
If you are upgrading from JUNOS Release 9.3R1 and have voice over IP (VoIP) enabled
on a private VLAN (PVLAN), you must remove this configuration before upgrading,
to prevent upgrade problems. VoIP on PVLAN interfaces is not supported in releases
later than JUNOS Release 9.3R1.
200
Upgrade and Downgrade Issues for JUNOS Release 10.1 for EX Series Switches
Resolved Issues in JUNOS Release 10.1 for EX Series Switches on page 196
Upgrade and Downgrade Issues for JUNOS Release 10.1 for EX Series Switches
on page 200
Upgrading or Downgrading from JUNOS Release 9.4R1 for EX Series
Switches on page 200
Upgrading from JUNOS Release 9.3R1 to Release 10.1 for EX Series
Switches on page 200
Upgrading from JUNOS Release 9.2 to Release 10.1 for EX Series
Switches on page 201
Downgrading from JUNOS Release 10.1 to Release 9.2 for EX4200
Switches on page 202
on EX Series switches running JUNOS Release 9.4R1 and upgrade
configuration stanza and reapply the configuration after you complete
system
system configuration stanza in JUNOS Release
arp aging-timer aging-time
system arp
configuration in