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Cisco Bug: CSCvu26534 - IPv4 fragmentation doesn't work beyond 1000 PPS (max), expected to be 3K pps

Last Modified

Jun 19, 2020

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

7.2.1.BASE

Description (partial)

Symptom:
IPv4 fragmentation does not work beyond 1000 PPS (max)

Conditions:
Egress interface MTU is smaller than the outgoing packet size.  This will trigger CPU punt to fragment the packet before sending it out again.

The packet rate is > 1000 pps
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