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Cisco Bug: CSCus98852 - ASA is not re-trying with NBNS query when NBNS retry is configured

Last Modified

Nov 09, 2016

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases

100.13(16.31) 9.3(2) 9.4(0.111)

Description (partial)

Symptom:
ASA is not re-trying with NBNS query when NBNS retry is configured

Conditions:
1. In ASA configure the nbns server with some retry value (nbns-server 21.0.0.2 retry 5)
2. Establish a webvpn session 
3. Disable the NetBIOS service in the NBNS server (which is running in the inside machine)
4. Try to access a file from the inside machine using the hostname (cifs://)
5. Observed that ASA is sending only one NBNS query, not re-trying.
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Bug Details Include

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