Cisco Bug: CSCus97971 - DHCP related server state flapping between SEND_UPDATE and PROBE
Mar 12, 2015
- Cisco Network Registrar
Known Affected Releases
Symptom: There are several issues: <ol> <li>The DHCP server is not always properly honoring the limit on the maximum DNS update requests allowed to be in flight.</li> <li>The DHCP server improperly believes that a DNS server is not responding when it is.</li> <li>The DHCP server may not restart DNS updates for DHCPv6 leases when reactivating a server and there are no DNS updates for DHCPv4 outstanding.</li> </ol> Conditions: These issues may occur when a DNS server stops responding or is slow in responding to DNS update requests.
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Bug Details Include
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