Preview Tool

Cisco Bug: CSCvu43056 - Virtual Edge performs HREP for broadcast from uplink if only one EP is in EPG on destination host

Last Modified

Sep 10, 2020

Products (1)

  • Cisco Application Policy Infrastructure Controller (APIC)

Known Affected Releases


Description (partial)

- Broadcast packet being re-routed to fabric Leaf by VM that with ip forwarding enabled
- IP learnt behind incorrect endpoint in same BD

- Multi-Destination Flooding set to "Flood in BD"
- Endpoint A in EPG1 sending L2 broadcast frame with L3 broadcast destination (e.g. NetBIOS on Windows VMs)
- Endpoint B in EPG2 has routing enabled (e.g. Docker VM)

In versions with fix for CSCvg31917 we also need the following condition:
- Endpoint B is the only endpoint in EPG2 on destination host
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.