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NOS Upgrade Paths

You can upgrade a network operating system (NOS) from a recommended NOS release in a previous Apstra release to a recommended NOS release in a newer Apstra release. In the same Apstra release, you can upgrade between NOS releases. See the sections below for supported paths. Prior to Apstra 4.2.0, upgrading to an unqualified version resulted in an ERROR state. 4.2.0 doesn't have this restriction. If you upgrade to an unqualified version, be sure to perform due diligence.

For information about other upgrade paths that may be available, or to request support for a specific upgrade path, contact Juniper Support.

Apstra Release 4.2.1 and 4.2.1.1

Table 1: Juniper Junos OS & Apstra 4.2.1 & 4.2.1.1
From Version To Version
20.4R3-S3 22.2R3
21.2R3-S6

  • 21.2R1-S2

  • 21.4R3-S5

  • 22.2R3

  • 22.4R3
21.4R3-S5

  • 21.2R3-S6

  • 22.2R3
22.2R2 22.2R3
22.2R3 21.4R3-S5
22.4R3

  • 20.4R3-S2

  • 21.2R3-S6
Table 2: Juniper Junos OS Evolved & Apstra 4.2.1 & 4.2.1.1
From Version To Version
21.2R3-EVO

  • 21.2R3-S6-EVO
21.2R3-S6-EVO

  • 21.4R3-S5-EVO

  • 22.4R3-EVO
21.4R3-S5-EVO

  • 20.4R3-S3-EVO

  • 22.2R3-EVO
22.2R3-EVO

  • 21.2R3-S6-EVO

  • 21.4R3-S5-EVO
22.4R2-EVO 22.4R3-EVO
22.4R3-EVO

  • 21.4R3-S5-EVO

  • 22.2R3-EVO

  • 22.4R2-EVO
Table 3: Cisco NX-OS & Apstra 4.2.1 & 4.2.1.1
From Version To Version
9.3(3) 9.3(11)
9.3(7) 10.2(5)
9.3(8) 9.3(11)
10.1(2) 10.2(5)
10.2(5)

  • 9.3(7)

  • 9.3(11)
Table 4: Arista EOS & Apstra 4.2.1 & 4.2.1.1
From Version To Version
4.23.6M

  • 4.24.5M

  • 4.27.6M
4.24.5M

  • 4.23.6M

  • 4.27.4M
4.25.3.1M 4.27.6M
4.27.6M 4.25.3.1M
Table 5: SONiC & Apstra 4.2.1 & 4.2.1.1
From Version To Version
4.0.5-GA-Enterprise-Advanced 4.1.2-GA-Enterprise-Advanced
4.12-GA-Enterprise-Advanced 4.05-GA-Enterprise-Advanced

Apstra Release 4.2.0

Table 6: Juniper Junos OS & Apstra 4.2.0
From Version To Version
20.4R3-S3 22.2R3
21.2R3-S4

  • 21.2R1-S2

  • 21.4R3-S4

  • 22.2R3

  • 22.4R2
21.4R3-S4

  • 21.2R3-S4

  • 22.2R3
22.2R3 21.4R3-S4
22.4R2

  • 20.4R3-S2

  • 21.2R3-S4
Table 7: Juniper Junos OS Evolved & Apstra 4.2.0
From Version To Version
21.2R3-EVO

  • 21.4R3-EVO

  • 22.4R2-EVO
21.4R3-EVO

  • 20.4R3-S3-EVO

  • 22.2R3-EVO
22.4R2-EVO 22.2R3-EVO
Table 8: Cisco NX-OS & Apstra 4.2.0
From Version To Version
9.3(3) 9.3(11)
9.3(7) 10.2(5)
9.3(8) 9.3(11)
10.1(2) 10.2(5)
10.2(5)

  • 9.3(7)

  • 9.3(11)
Table 9: Arista EOS & Apstra 4.2.0
From Version To Version
4.23.6M

  • 4.24.5M

  • 4.27.6M
4.24.5M

  • 4.23.6M

  • 4.27.4M
4.25.3.1M 4.27.6M
4.27.6M 4.25.3.1M
Table 10: SONiC & Apstra 4.2.0
From Version To Version
3.5.4-GA-adv 4.0.5-GA-Enterprise-Advanced