ISSU upgrade
Introduction
ISSU (In service software upgrade) is supported on specific chassis types. See “ISSU upgrade procedure” in the SR OS Software Release Notes for the specific release you are upgrading to.
Multi-phase ISSU upgrade
Fill out the upgrade operation options. Set the ISSU to “True”. If the ISSU is not supported for the node, the Pre-check will fail.
Figure 8-1: Upgrade operation options
Figure 8-2: Successful ISSU upgrade:
Example IXR node show card command during ISSU upgrade:
Before reboot:
A:live-144# show card =============================================================================== Card Summary =============================================================================== Slot Provisioned Type Admin Operational Comments Equipped Type (if different) State State ------------------------------------------------------------------------------- 1 iom-ixr-r6 up up 2 iom-ixr-r6 up up A cpiom-ixr-r6 up up/active B cpiom-ixr-r6 up up/standby ===============================================================================
Reboot phase:
A:live-144# show card =============================================================================== Card Summary =============================================================================== Slot Provisioned Type Admin Operational Comments Equipped Type (if different) State State ------------------------------------------------------------------------------- 1 iom-ixr-r6 up up 2 iom-ixr-r6 up provisioned (not equipped) A cpiom-ixr-r6 up up/active B cpiom-ixr-r6 up down/standby (not equipped) =============================================================================== A:live-144# show card =============================================================================== Card Summary =============================================================================== Slot Provisioned Type Admin Operational Comments Equipped Type (if different) State State ------------------------------------------------------------------------------- 1 iom-ixr-r6 up up 2 iom-ixr-r6 up booting A cpiom-ixr-r6 up up/active B cpiom-ixr-r6 up ISSU/standby =============================================================================== A:live-144# B:live-144# show card =============================================================================== Card Summary =============================================================================== Slot Provisioned Type Admin Operational Comments Equipped Type (if different) State State ------------------------------------------------------------------------------- 1 iom-ixr-r6 up provisioned (not equipped) 2 iom-ixr-r6 up up A cpiom-ixr-r6 up down/standby (not equipped) B cpiom-ixr-r6 up up/active =============================================================================== B:live-144# B:live-144# show card =============================================================================== Card Summary =============================================================================== Slot Provisioned Type Admin Operational Comments Equipped Type (if different) State State ------------------------------------------------------------------------------- 1 iom-ixr-r6 up up 2 iom-ixr-r6 up up A cpiom-ixr-r6 up up/standby B cpiom-ixr-r6 up up/active ===============================================================================
