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2-15
Cisco Nexus 5000 Series NX-OS Interfaces Operations Guide, Release 5.0(3)N2(1)
Chapter 2 Cisco Nexus 5500 Platform Layer 3 and vPC Operations
Software Upgrade and Downgrade Impact
Extracting "kickstart" version from image
bootflash:/n5000-uk9-kickstart.5.0.3.N1.0.271.bin.upg.
[####################] 100% -- SUCCESS
Extracting "bios" version from image bootflash:/n5000-uk9.5.0.3.N1.0.271.bin.upg.
[####################] 100% -- SUCCESS
Extracting "fexth" version from image bootflash:/n5000-uk9.5.0.3.N1.0.271.bin.upg.
[####################] 100% -- SUCCESS
Performing module support checks.
[####################] 100% -- SUCCESS
Notifying services about system upgrade.
[####################] 100% -- SUCCESS
Compatibility check is done:
Module bootable Impact Install-type Reason
------ -------- -------------- ------------ ------
1 yes disruptive reset Non-disruptive install not supported if
Layer 3 was enabled
100 yes disruptive reset Non-disruptive install not supported if
Layer 3 was enabled
Images will be upgraded according to following table:
Module Image Running-Version New-Version Upg-Required
------ ---------- ---------------------- ---------------------- ------------
1 system 5.0(3)N1(1b) 5.0(3u)N1(1u) yes
1 kickstart 5.0(3)N1(1b) 5.0(3u)N1(1u) yes
1 bios v3.4.0(01/13/2011) v3.4.0(01/13/2011) no
100 fexth 5.0(3)N1(1b) 5.0(3u)N1(1u) yes
1 power-seq v3.0 v3.0 no
2 power-seq v1.0 v1.0 no
1 uC v1.0.0.14 v1.0.0.14 no
Layer 3-N5548-2#
You can perform a nondisruptive ISSU from an earlier release to NX-OS Release 5.0(3)N1(1b) when
upgrading without Layer 3 features enabled.
show spanning-tree issu-impact
To verify that the current STP topology is consistent with ISSU requirements, use the
show spanning-tree issu-impact command to display the STP configuration and whether or not there
are potential STP issues.
This example shows how to display information about the STP impact when performing an ISSU:
nexus5010# show spanning-tree issu-impact
For ISSU to Proceed, Check the Following Criteria :
1. No Topology change must be active in any STP instance
2. Bridge assurance(BA) should not be active on any port (except MCT)
3. There should not be any Non Edge Designated Forwarding port (except MCT)
4. ISSU criteria must be met on the VPC Peer Switch as well
Following are the statistics on this switch
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