Monitoring a Unified In-Service Software Upgrade
You can use the show issu command to monitor the status of the router with regard to a unified in-service software upgrade.
show issu
- Use to display information about the current status of the router relative to a unified in-service software upgrade and of the upgrade itself.
- Field descriptions
- ISSU state—State of the upgrade process, idle, initializing, initialized, or upgrading
- ISSU description—State of the upgrade, including percent complete
- criteria met—Whether prerequisites for the upgrade have been met and, generally, what errors occurred
- running release—Filename of JUNOSe Software release that is currently running on the SRP modules
- armed release—Filename of JUNOSe Software release that is armed to become the next running release when the router reboots
- Example 1—Displays the current unified ISSU state
and identifies the active and armed releases
host1#show issu brief
ISSU state: initializing ISSU description: ISSU initialize is in-progress, 5% complete criteria met: No, upgrade error(s) found running release: release1.rel armed release: release2.rel
- Example 2—To the information displayed by show issu brief, adds a summary table of unified ISSU
verification criteria
host1# show issu ISSU state: idle ISSU description: ISSU is currently idle criteria met: No, upgrade error(s) found running release: release1.rel armed release: release2.rel # ISSU Activation Criteria Summary Met -- ----------------------------------------------------- ----------- 1 In-Service Software Upgrade ready? Yes 2 High-Availability ready? No 3 Line modules ready? Conditional 4 Configuration conversion support ready? Yes 5 CLI sessions ready? Yes 6 Routing applications ready? Yes 7 Protocol timers ready? Yes
- Example 3—To the information displayed by show issu, adds a detailed table of unified ISSU verification
criteria that lists mandatory and conditional criteria that have not
been met, the impact of this status, and the remedy as reported by
router applications and system components that participate in the
in-service software upgrade
host1# show issu detail ISSU state: idle ISSU description: ISSU is currently idle criteria met: No, upgrade error(s) found running release: release1.rel armed release: release2.rel # ISSU Activation Criteria Summary Met -- ------------------------------------------------------ ----------- 1 In-Service Software Upgrade ready? Yes 2 High-Availability ready? No 3 Line modules ready? Conditional 4 Configuration conversion support ready? Yes 5 CLI sessions ready? Yes 6 Routing applications ready? Yes 7 Protocol timers ready? Yes # ISSU Criterion Detail Met -- ------------------------------------------------------ ----------- 1 In-Service Software Upgrade ready? Yes 2 High-Availability ready? No -> Problem: The standby SRP must not be running the same release No Reporting Slot: 6 Impact: ISSU cannot be performed Remedy: boot a release compatible with ISSU on the standby SRP 3 Line modules ready? Conditional -> Problem: Card does not support required memory configuration Conditional : Slot 1, OC3/OC12/DS3-ATM, requires at least 256 MB Reporting Slot: 6 Impact: If you continue, the card will immediately be reset and then cold started when ISSU Upgrade completes Remedy: data unavailable -> Problem: Card does not support required memory configuration Conditional : Slot 8, CT3-12, requires at least 256 MB Reporting Slot: 6 Impact: If you continue, the card will immediately be reset and then cold started when ISSU Upgrade completes Remedy: data unavailable -> Problem: Card does not support required memory configuration Conditional : Slot 9, CT3-12, requires at least 256 MB Reporting Slot: 6 Impact: If you continue, the card will immediately be reset and then cold started when ISSU Upgrade completes Remedy: data unavailable -> Problem: Card does not support required memory configuration Conditional : Slot 10, CT3-12, requires at least 256 MB Reporting Slot: 6 Impact: If you continue, the card will immediately be reset and then cold started when ISSU Upgrade completes Remedy: data unavailable -> Problem: Card not disabled or not online: Slot 1, OC3/OC12/D Conditional S3-ATM, 0/0 Reporting Slot: 6 Impact: If you continue, the card will immediately be reset and then cold started when ISSU Upgrade completes Remedy: If not standby, Wait for card to come online before proceeding -> Problem: Card not disabled or not online: Slot 8, CT3-12, 0/ Conditional 0 Reporting Slot: 6 Impact: If you continue, the card will immediately be reset and then cold started when ISSU Upgrade completes Remedy: If not standby, Wait for card to come online before proceeding 4 Configuration conversion support ready? Yes 5 CLI sessions ready? Yes 6 Routing applications ready? Yes 7 Protocol timers ready? Yes - See show issu.
