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Cisco Bug: CSCuo01127 - ASR920: MTU_ALLOC_FAIL but the mtu is saved in the interface configrtion

Last Modified

Feb 14, 2020

Products (1)

  • Cisco ASR 920 Series Aggregation Services Router

Known Affected Releases

15.4(3)S

Description (partial)

Symptom:
MTU config under interface is accepted and nvgen'd even when hardware programming fails with below error message.
%IOSXE_RP_DPIDB-3-MTU_ALLOC_FAIL: No hardware resources for 8000 byte MTU on <interface name>

Conditions:
Configure more than 7 MTUs on ASR903/ASR920. Error message is thrown but config is accepted and nvgen'd.
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