IPFIX only exports ~1/4th of the rate configured. This issue only applies on MPC 3D 16x 10GE , MPC4E 3D 2CGE+8XGE.
Wrong values "IPv4 MAX FLOW Count" reported for [ MPC 3D 16x 10GE , MPC4E 3D 2CGE+8XGE ] under "> show services accounting errors inline-jflow fpc-slot" output. show services accounting errors inline-jflow fpc-slot 0 Error information FPC Slot: 0 Flow Creation Failures: 46825826589 ============================================> Incrementing Route Record Lookup Failures: 1658714, AS Lookup Failures: 1658714 Export Packet Failures: 0 Memory Overload: No, Memory Alloc Fail Count: 0 IPv4: IPv4 Flow Creation Failures: 676738156 ============================================> Incrementing IPv4 Route Record Lookup Failures: 0, IPv4 AS Lookup Failures: 0 IPv4 Export Packet Failures: 0 IPv6: IPv6 Flow Creation Failures: 3955801103 ============================================> Incrementing IPv6 Route Record Lookup Failures: 1658714, IPv6 AS Lookup Failures: 1658714 IPv6 Export Packet Failures: 0 MPLS: MPLS Flow Creation Failures: 42193287330 ============================================> Incrementing MPLS Route Record Lookup Failures: 0, MPLS AS Lookup Failures: 0
Error information
FPC Slot: 0
Flow Creation Failures: 46825826589 ============================================> Incrementing
Route Record Lookup Failures: 1658714, AS Lookup Failures: 1658714
Export Packet Failures: 0
Memory Overload: No, Memory Alloc Fail Count: 0
IPv4:
IPv4 Flow Creation Failures: 676738156 ============================================> Incrementing
IPv4 Route Record Lookup Failures: 0, IPv4 AS Lookup Failures: 0
IPv4 Export Packet Failures: 0
IPv6:
IPv6 Flow Creation Failures: 3955801103 ============================================> Incrementing
IPv6 Route Record Lookup Failures: 1658714, IPv6 AS Lookup Failures: 1658714
IPv6 Export Packet Failures: 0
MPLS:
MPLS Flow Creation Failures: 42193287330 ============================================> Incrementing
MPLS Route Record Lookup Failures: 0, MPLS AS Lookup Failures: 0
Above errors is the result of incorrect JFLOW table size allocation:
>show services accounting status inline-jflow fpc-slot 0
Status information
IPV4 export format: Version-IPFIX, IPV6 export format: Version-IPFIX
BRIDGE export format: Not set, MPLS export format: Version-IPFIX
IPv4 Route Record Count: 1950023, IPv6 Route Record Count: 397996, MPLS Route Record Count: 2658
Route Record Count: 2350677, AS Record Count: 1450293
Route-Records Set: Yes, Config Set: Yes
Service Status: PFE-0: Steady PFE-1: Steady
Using Extended Flow Memory?: PFE-0: No PFE-1: No
Flex Flow Sizing ENABLED?: PFE-0: Yes PFE-1: Yes
IPv4 MAX FLOW Count: 8196, IPv6 MAX FLOW Count: 8196 ============> Very low 'MAX FLOW COUNT'
BRIDGE MAX FLOW Count: 8196, MPLS MAX FLOW Count: 8196 =========> Very low 'MAX FLOW COUNT'
MAX supported Flow Table size: 220 = = > although MAX flow table size 220 is correct for MPC6
Below is the output for non-problematic FPC:
Inline-jflow fpc- Status information
IPv4 Route Record Count: 1950032, IPv6 Route Record Count: 397816, MPLS Route Record Count: 2669
Route Record Count: 2350517, AS Record Count: 1477570
IPv4 MAX FLOW Count: 83886084, IPv6 MAX FLOW Count: 83886084
BRIDGE MAX FLOW Count: 83886084, MPLS MAX FLOW Count: 83886084
MAX supported Flow Table size: 220
delete ‘flex’ knob -> commit -> wait for about ~10 mins -> re-add ‘flex’ knob -> commit