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Cisco Bug: CSCun69465 - Invalid Arp replies from WSA

Last Modified

Jul 17, 2018

Products (1)

  • Cisco Web Security Appliance

Known Affected Releases


Description (partial)

Depending on network setup, users may see intermittent or widespread DNS failures and/or AD connectivity failures while going through WSA after upgrade to 8.0 version

This problem occurs if the T1/T2 interface is connected, and sees the traffic of a subnet of any IP configured on the WSA.  The arp packets requesting the location of the WSAs IPs on the T1 interface, are what causes the issue.
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