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Cisco Bug: CSCvv08806 - Cisco DNA Center - Extended nodes must be configured on distinct edge ports

Last Modified

Oct 11, 2020

Products (1)

  • Cisco DNA Center

Known Affected Releases


Description (partial)

When connecting an extended node device, for example an IE3400, to an access switch, for example a Catalyst 9300, the corresponding ports must have the appropriate port-channel configuration applied. There is no requirement for a given extended node device to be connected to any specific port on the edge switch, only that the ports on both devices are properly configured.

When using Cisco DNA Center to apply the configuration, however, the details of the specific port on the edge, that a given extended node is connected to, is recorded in the database. This creates a dependency such that the port a given extended node was previously attached too, when configured, may not also be used to configure another extended node.

This dependency is entirely an artifact of the way in which Cisco DNA Center records this information. Because of this dependency, a workflow whereby multiple extended node devices are configured, one at a time, from the *same* port on the edge switch, followed by the proper configuration of the edge switch ports as port-channels, will not work.

Even though the devices are eventually configured correctly initially, subsequent attempts to configure another extended node, from the same edge port, will fail with an exception, in the spf-service-manager log, of the form:

Caused by: java.sql.BatchUpdateException: Batch entry 0 insert into InterfaceInfo
(INSTANCE_VERSION, InstanceUuid, displayName, NetworkDeviceId, InterfaceName, InterfaceType, tenantIntSegment,
tenantLongSegment, ConnectedDeviceType, ScalableGroupId, AuthenticationProfileId, OtherFabricInterfaceInfo_ID,
AuthenticationProfile_ID, PortChannelType, SwitchportMode, Protocol, LacpMode, PagpMode, CLASSNAME, ID) values
(0, '2x1xbxfx-xxdx-xfx2-adx6-2x2e65x81c4a', 'dbfx97a4[1x512db3x336ex4609x9397-685fx8bf145x,null]',
'1x512xb3-3x6e-4x09-9x97-6x5fa8xf145x', 'Port-channel1', 1, 1234, 0, 2, '8000', NULL, 22211191, NULL, 0, NULL, '1',
NULL, 1, 'FbrcPrtChnnlIntrfcInf', 402460557) was aborted:
ERROR: duplicate key value violates unique constraint "interfaceinfo_otherfabricinterfaceinfo_id_key"
Detail: Key (otherfabricinterfaceinfo_id)=(22211191) already exists.
Call getNextException to see other errors in the batch.

And a provisioning error message of the form:

NCSP10250: Error During persistence (modify) of CFS & SerializedSnapshot
(name: DeviceIntfContainer_f325bdc5-ec41-4b7b-83bd-477cc0736af6 type: DeviceInterfaceInfoContainer qualifier: null)

This was observed in Cisco DNA Center where extended nodes are being configured one-by-one, attached to the same edge switch port.
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