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Cisco Bug: CSCuw40468 - DHCP proxy overrites chosen DHCP server in multiple DHCP server scenario

Last Modified

Feb 15, 2018

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases

9.1(5)

Description (partial)

Symptom:
Anyconncet clients stop connecting to the ASA because they are no longer able to get an address from the DHCP server.

Conditions:
- multiple DHCP servers configured  on the ASA
- either DHCP server is behaving incorrectly where it sees the REQUEST (with the other server's IP) and still replies with an OFFER, or the OFFER was sent by the non-selected DHCP server before it sees the REQUEST
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