Guest

Preview Tool

Cisco Bug: CSCvt21897 - SDWAN/vEdge: vEdge PIM traffic loss and eventually PIM crash

Last Modified

Aug 17, 2020

Products (1)

  • Cisco vEdge Router

Known Affected Releases

20.1

Description (partial)

Symptom:
Sending traffic between different Edge devices over SDWAN notices 50% traffic drop.

CSR (Multicast Source) behind vEdge to cEdge (Multicast Receiver) multicast interoperability, sees over 50% traffic drop.
If the traffic is sent from cEdge (Source) to cEdge (Receiver), no drops are seen.

Conditions:
Scenario:
The scenario is vEdge to cEdge interoperability:
Source - CSR (vm2) behind vEdge (vm1)
Receiver -  cEdge (vm11)
RP - cEdge (vm5)
Replicator - cEdge (vm4)
 
Traffic type - Sending UDP Multicast traffic of 100 joins from Source (vm2) to Receiver (vm11) sees 50% traffic drop

Problem Frequency: Everytime.
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.