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Cisco Bug: CSCvs68665 - MTU wrongly programmed in Hardware

Last Modified

Jan 20, 2020

Products (1)

  • Cisco ASR 900 Series Aggregation Services Routers

Known Affected Releases

15.6(1.4)

Description (partial)

Symptom:
756581-PEFTTS-5#sh platform hardware cef ip 109.24.118.30/32
  Prefix: 109.24.118.30/32    VRF Id: 0
  Egress i/f - L3: TenGigabitEthernet0/1/0,    L2: TenGigabitEthernet0/1/0
  L3-MTU: 1525     MPLS-MTU: 1525     L2-MTU: 9238  <<<MTU is not changed eventhough interface is flapped>>
  IPv4 Ucast: Enabled          IPV6 Ucast: Enabled 
  Mac Rewrite: 00:b8:b3:f0:e9:80:dc:f7:19:dc:41:09

Discrepancy between PI and PD.

Conditions:
Problem is seen during Upgrading the Device from RSP1 to RSP3c on asr900rsp3-universalk9_npe.V156_2_SP5_SR684781811.bin image
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