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Cisco Bug: CSCvv85741 - DHCP relay not working for new VLANs in 6K

Last Modified

Oct 05, 2020

Products (1)

  • Cisco Catalyst 6000 Series Switches

Known Affected Releases

15.5(1.0.1)SY4

Description (partial)

Symptom:
DHCP relay not working for newly created VLANs on a 6K in VSS. Newly created VLANs do not get programmed with correct hw_bd; 
the hw_bd is seen set to 0 for the VLAN in question, in the LIF L2 table for the affected traffic.

Conditions:
6K in VSS running IOS 15.5(1)SY4 in Sup2T, linecard affected C6800-32P10G. Issue happens when creating new VLAN.
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