Software image upgrade example
Upgrade requirements
As shown in Figure 7, the IRF fabric has two members.
Upgrade feature1 from R0201 to R0202. The two versions are compatible.
Figure 34: Network diagram
Upgrade procedure
# Save the running configuration.
<Sysname> save
# Download the .ipe file that contains the R0202 feature1 image from the TFTP server.
<Sysname> tftp 2.2.2.2 get feature1-r0202.ipe % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 256k 100 256k 0 0 764k 0 --:--:-- --:--:-- --:--:-- 810k
# Decompress the .ipe file.
<Sysname> install add flash:/feature1-r0202.ipe flash:
# Display active software images.
<Sysname> display install active Active packages on slot 1: flash:/boot-r0201.bin flash:/system-r0201.bin flash:/feature1-r0201.bin Active packages on slot 2: flash:/boot-r0201.bin flash:/system-r0201.bin flash:/feature1-r0201.bin
# Identify the ISSU methods for the upgrade and view the possible impact of the upgrade.
<Sysname> install activate feature flash:/feature1-r0202.bin slot 2 test Copying file flash:/feature1-r0202.bin to slot2#flash:/feature1-r0202.bin......Done. Upgrade summary according to following table: flash:/feature1-r0202.bin Running Version New Version Alpha 0201 Alpha 0202 Slot Upgrade Way 2 Service Upgrade Influenced service according to following table on slot 2: flash:/feature1-r0202.bin feature1 <Sysname> install activate feature flash:/feature1-r0202.bin slot 1 test Upgrade summary according to following table: flash:/feature1-r0202.bin Running Version New Version Alpha 0201 Alpha 0202 Slot Upgrade Way 1 Service Upgrade Influenced service according to following table on slot 1: flash:/feature1-r0202.bin feature1
The output shows that both members require a service upgrade and the feature1 module will be rebooted during the upgrade process.
# Activate the new feature1 image to upgrade feature1.
<Sysname> install activate feature flash:/feature1-r0202.bin slot 2 flash:/feature1-r0202.bin already exists on slot 2. Overwrite it?[Y/N]:y Copying file flash:/feature1-r0202.bin to slot2#flash:/feature1-r0202.bin......Done. Upgrade summary according to following table: flash:/feature1-r0202.bin Running Version New Version Alpha 0201 Alpha 0202 Slot Upgrade Way 2 Service Upgrade Upgrading software images to compatible versions. Continue? [Y/N]:y This operation might take several minutes, please wait...Done. <Sysname> install activate feature flash:/feature1-r0202.bin slot 1 Upgrade summary according to following table: flash:/feature1-r0202.bin Running Version New Version Alpha 0201 Alpha 0202 Slot Upgrade Way 1 Service Upgrade Upgrading software images to compatible versions. Continue? [Y/N]:y This operation might take several minutes, please wait...Done.
# Display active software images.
<Sysname> display install active Active packages on slot 1: flash:/boot-r0201.bin flash:/system-r0201.bin flash:/feature1-r0202.bin Active packages on slot 2: flash:/boot-r0201.bin flash:/system-r0201.bin flash:/feature1-r0202.bin
# Confirm the software change.
<Sysname> install commit