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Cisco Bug: CSCvt06631 - Red-Black migration: ENCS version check should be skipped for unreachable ENCSs

Last Modified

Apr 02, 2020

Products (1)

  • Cisco Application Deployment Engine

Known Affected Releases


Description (partial)

jenkins@fra-a-vcjkw001:/workspace/MAG_manifest_2818_rel3.4.1_red/current$ ./ -m -o /workspace/MAG_manifest_2756_rel3.2.1_black_current/current/ -n /workspace/MAG_manifest_2818_rel3.4.1_red/current/ --vault /workspace/MAG_manifest_2818_rel3.4.1_red/data/.ansible-vault-password -v G10005988


NCS-PROMPT:DEBUG:__main__:show running-config encs serial PSZ21381CP4
show running-config encs serial PSZ21381CP4
show running-config encs serial PSZ21381CP4
encs encstest2-ENCS3-cpe1
 serial           PSZ21381CP4
 vpn              encstest2
 vim              de_mag_b_black
 type             ENCS-5104
 vbranch-type     NGENA-ENCS5100-DHCP
 hostname         ENCS3-EN
 required-version 3.12.2
 username         admin
 password         "$8$M0r4pQlYFZb4NTj7xlchcGCe86atnmukYk63bFtgWg/9voBf4+zVlXJ2YCaenWowvYawYHdv\nQvLcyI6N/A6rIw=="
 activate-lan     true
 physical-interface ge0/0
  speed auto
  wan data-center de_mag
  wan bandwidth 50000
  wan inet
 physical-interface ge0/2
  speed                 auto
  switch-mode           trunk
  trunk-allowed-vlan-id [ 390 490 ]
 physical-interface ge0/3
  speed                 auto
  switch-mode           trunk
  trunk-allowed-vlan-id [ 391 491 ]
NCS-PROMPT:DEBUG:__main__:devices device encstest2-ENCS3-cpe1* connect
devices device encstest2-ENCS3-cpe1* connect
devices device encstest2-ENCS3-cpe1* connect
^@devices device encstest2-ENCS3-cpe1_NGENA-ENCS5100-DHCP connect
    result false
    info Connection to encstest2-ENCS3-cpe1_NGENA-ENCS5100-DHCP timed out
NCS-PROMPT:Traceback (most recent call last):
  File "./", line 2726, in <module>
  File "./", line 2722, in main
    RedBlackUpgrade(args.old, args.vault).red_black_upgrade(args)
  File "./", line 2539, in red_black_upgrade
    self.migrate_vpn(args.vpn,, args.skip_nfvis_version_check)
  File "./", line 1469, in migrate_vpn
  File "./", line 1243, in verify_nfvis_version
    encs_detail[vpn] = self.list_encs(vpn)
  File "./", line 2327, in list_encs
    'try again'.format(encs_name))
RuntimeError: ENCS encstest2-ENCS3-cpe1 is not accessible from NSO, cannot proceed. Resolve ENCS connectivity issue and try again

NFVIS version check is mandatory for all ENCS configured in the deployment as we do not support NFVIS version older than 3.12 in NGENA. To avoid stretching the maintenance window this check is performed during migrate VPN step for all vpns.
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