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Cisco Bug: CSCuj75434 - DHCP Relay do not work for secondary vlans for both IPv4 and IPv6

Last Modified

Mar 17, 2016

Products (7)

  • Cisco Nexus 6000 Series Switches
  • Cisco Nexus 5596UP Switch
  • Cisco Nexus 5548P Switch
  • Cisco Nexus 6004 Switch
  • Cisco Nexus 6001 Switch
  • Cisco Nexus 5548UP Switch
  • Cisco Nexus 5596T Switch

Known Affected Releases

6.0(2)N2(2)

Description (partial)

Symptom:
DHCP relay is configured on the switch and private vlan is used. DHCP worked fine before. But after upgrade, DHCP client from secondary vlan do not get ip address. It seems from ethanalyzer the switch did receive the discover packet but did not relay it.

Conditions:
upgrade from 5.2(1)N1(4) to 6.0(2)N2(1).
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
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