Preview Tool

Cisco Bug: CSCvt66319 - Traffic stop sending across WAN when WAN link got unplugged and packet duplication is on :ISR1100-4G

Last Modified

Sep 04, 2020

Products (2)

  • Cisco vEdge Router
  • Cisco vEdge Router Model

Known Affected Releases

19.2.1 19.2.2 19.2.99

Description (partial)

When turning on the Packet Duplication. The traffic get duplicated to 2 IPSec Tunnels. However, when one of the WAN link got disconnected (physically disconnect at the WAN Port), the traffic get impacted and the traffic cannot be sent out using the other link anymore.

The test version are 19.2.099, 19.2.1
Platform ISR1100-4G 

When disconnecting the physical WAN link, the traffic stopped to sent over WAN. However, when there are lost in the middle to the Provider Network occur Eg. 100% at ISP side, the traffic still gets duplicated fine. 

The condition for this symptoms is that if the physical link got disconnected, the problem will occur
Bug details contain sensitive information and therefore require a 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.