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Cisco Bug: CSCul46141 - ICMP packet-too-big log not seen on the ICMP echo requester

Last Modified

Aug 01, 2018

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

4.3.2.BASE

Description (partial) 

Symptom:
Topology:
MSER1(4.3.2) -------mtu4484-----------UUT(4.3.2)-----------mtu1500----------IM01(5.1.0)

When Ping IM01 address donotfrag size 1600 from MSER1, MSER1 do not show debug log message for Type3 code 4 toobigpacket message nor increments fragment counters in the show output

Conditions:
MSER1(4.3.2) -------mtu4484-----------UUT(4.3.2)-----------mtu1500----------IM01(5.1.0)

Had a combination of littleendian RP and bigendian LC on MSER1 and UUT. IM01 was bigendian
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