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Cisco Bug: CSCvi72244 - Unnecessary client DNS lookup

Last Modified

Apr 04, 2018

Products (1)

  • Cisco Wide Area Application Services (WAAS) Appliances

Known Affected Releases


Description (partial)

When connecting to a WAAS device using ftp there is a reverse DNS lookup performed on the client IP address.
In case of unresponsive DNS server there may be a delay of about 15 seconds in the connection.

Unreachable DNS server configured
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  • Status
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