Guest

Preview Tool

Cisco Bug: CSCvu58501 - SDA-SDWAN: Routing Loop is seen with OMP to ISIS redistribution in vrf 65527

Last Modified

Oct 11, 2020

Products (1)

  • Cisco DNA Center

Known Affected Releases

DNAC-Wolverine

Description (partial)

Symptom:
Routing Loop is observed in a dual cEdge site after performing LAN Automation for Fabric Edges. Mutual OMP/ISIS route redistribution is configured on the cEdges. The cEdge learns of a remote site prefix from OMP and redistributes it into ISIS. Because the source route for redistribution (OMP) has a worse admin distance than IS-IS by default, the peer cEdge will prefer the ISIS route. This results in route oscillation for the remote site prefix.

Conditions:
In a dual cEdge site, perform LAN Automation for Fabric Edges. Each Fabric Edge has 2 uplinks; one uplink connects to cEdge1, another uplink connects to cEdge2.

Mutual OMP/ISIS redistribution is configured on both cEdges
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.