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Cisco Bug: CSCvj07916 - ENH: Network Discovery - Detecting vlan tagging through SFr module as 33024 net prot

Last Modified

Sep 25, 2018

Products (1)

  • Cisco Firepower Management Center

Known Affected Releases


Description (partial)

Using SFr with vlan trunking being used on the ASA, network discovery is detecting hosts utilizing 33024.

This enhancement is to prevent the network discovery on SFr from reporting all traffic that it sees due to the vlan tagging that occurs from the ASA side.

- Firepower SFr with ASA firewall doing trunking (sub interfaces with vlans).
- Network discovery being used. 
- Hosts that are discovered are showing 33024 network protocol.
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