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Cisco Bug: CSCtd68564 - DHCPINFORM does not pass through FWSM

Last Modified

Sep 09, 2016

Products (1)

  • Cisco Catalyst 6500 Series Firewall Services Module

Known Affected Releases

3.2(12)

Description (partial)

Symptom:
DHCPINFORM packets are dropped unknowingly by the FWSM. 
Under "show np all stats", the following parameter will increment
  PKT_MNG: PKT_DROP_DHCP_INGR                        : 130

Conditions:
If FWSM receives DHCP message from a:
1) client where the source port is not 68, or if the destination port is not 67.
2) server where the source port is not 67, or if the destination port is not 68.
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