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Cisco Bug: CSCvv11546 - IMR4: Inter-VRF DHCP relay does not use SVI IP as DHCP gw for VPC L3out

Last Modified

Sep 01, 2020

Products (1)

  • Cisco Application Policy Infrastructure Controller (APIC)

Known Affected Releases


Description (partial)

DHCP response is dropped at the border leaf switch.

This issue could happen when all of the following conditions are met:

- DHCP is relayed between different VRF tables.
- The L3Out used for the DHCP relay has an underlying vPC connection.
- The hashing in the external router re-directs the DHCP server response to the other border leaf switch, which does not have the DHCP relay agent IP address.
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