Cisco Nexus 5000 Series and Cisco Nexus 2000 Series Release Notes,Cisco NX-OS Release 5.1(3)N2(1a) and NX-OS Release 5.1(3)N2(1)

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Cisco Nexus 5000 Series and Cisco Nexus 2000 Series Release Notes, Cisco NX-OS Release 5.1(3)N2(1a) and NX-OS Release 5.1(3)N2(1)
OL-26652-02
Limitations
Supported Upgrade and Downgrade Paths
Table 4 shows the upgrade and downgrade possibilities for Cisco NX-OS Release 5.1(3)N2(1a) and
NX-OS Release 5.1(3)N2(1).
Limitations
This section describes the limitations for Cisco NX-OS Release 5.1(3)N2(1a) and Cisco NX-OS
Release 5.1(3)N2(1).
• When upgrading from Cisco NX-OS Release 4.2(1)N1(1) and earlier releases to any release, the
policy description is lost. This problem does not occur when upgrading from Cisco NX-OS
Release 4.2(1)N1(1) and later releases. After an upgrade, we recommend that you reconfigure the
policy description. For details, see CSCth14225.
Table 4 Cisco NX-OS Release 5.1(3)N2(1) Supported Upgrade and Downgrade Paths
Current Cisco NX-OS Release
Upgrade to NX-OS Release 5.1(3)N2(1a)
or NX-OS Release 5.1(3)N2(1)
Downgrade from NX-OS Release 5.1(3)N2(1a) or
NX-OS Release 5.1(3)N2(1)
5.1(3)N1(1a)
5.1(3)N1(1)
Nondisruptive upgrade (ISSU)
1
1. If HIF port channels or EvPCs are configured in the switch, see CSCtz42084 for additional details.
Disruptive downgrade
5.0(3)N2(2b)
5.0(3)N2(2a)
5.0(3)N2(2)
5.0(3)N2(1)
Nondisruptive upgrade (ISSU) Disruptive downgrade
5.0(3)N1(1c) Nondisruptive upgrade (ISSU) Disruptive downgrade
5.0(2)N2(1) Nondisruptive upgrade (ISSU) Disruptive downgrade
5.0(2)N1(1) Nondisruptive upgrade (ISSU) Disruptive downgrade
4.2(1)N2(1a)
4.2(1)N2(1)
4.2(1)N1(1)
Nondisruptive upgrade: upgrade to
NX-OS Release 5.0(3)N2(2b) and then
upgrade to Release 5.1(3)N2(1)
2
2. When you upgrade to Cisco NX-OS Release 5.1(3)N2(1), you might experience CSCtx66651, ISSU failed due to SATCRTL_SUP_ISSU_TIMEOUT.
Disruptive downgrade
4.1(3)N2(1a)
4.1(3)N2(1)
Nondisruptive upgrade: upgrade to
NX-OS Release 5.0(3)N2(2b) and then
upgrade to Release 5.1(3)N2(1)
2
Downgrade to NX-OS Release 5,0(3)N2(2b) and
then downgrade to NX-OS Release 4.1(3)N2(1a)
or NX-OS Release 4.1(3)N2(1)
4.1(3)N1(1a)
4.1(3)N1(1)
Nondisruptive upgrade: upgrade to
NX-OS Release 5.0(3)N2(2b) and then
upgrade to Release 5.1(3)N2(1)
2
Downgrade to NX-OS Release 5,0(3)N2(2b) and
then downgrade to NX-OS Release 4.1(3)N1(1a)
or NX-OS Release 4.1(3)N1(1)
4.0(1a)N2(1a)
4.0(1a)N2(1)
Not supported Not supported
4.0(1a)N1(1)
4.0(0)N1(1)
Not supported Not supported