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Cisco Bug: CSCuo95127 - NAT delete event displaying wrong VRF ID == 0 with PBA enabled

Last Modified

Feb 01, 2017

Products (1)

  • Cisco ASR 1000 Series Aggregation Services Routers

Known Affected Releases

15.3(3)S2.1

Description (partial)

Symptom:
1)	For NAT add & delete event it was observed that with PBA disabled, customer is getting VRF ID info correctly when analyzing the Netflow packet for both events.
2)	When PBA is enabled, NAT add event is displaying the correct VRF ID info but the NAT delete event is showing VRF ID == 0. 

PCAP captures:
=========
Packet with PBA enabled:
a)	Nat ADD event:
Flow 1
    SrcAddr: 10.0.0.22 (10.0.0.22)
                  SrcPort: 1104
                  Post NAPT Source Transport Port: 1104
                  Ingress VRFID: 3
                  Protocol: 17
                   Nat Event: 1    ---------- ADD EVENT

b)	Nat Delete event:
Flow 1
    SrcAddr: 10.0.0.22 (10.0.0.22)
                  SrcPort: 1104
                  Post NAPT Source Transport Port: 1104
                  Ingress VRFID: 0                            ---------- This is showing wrong VRF ID
                  Protocol: 17
                   Nat Event: 2    ---------- DELETE EVENT

Conditions:
When PBA (Port Block Allocation) is enabled.
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