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Cisco Bug: CSCsz23730 - 3845:atm/ima link down on E1/T1 with ATM-AIM back to back setup

Last Modified

Jan 23, 2017

Products (1)

  • Cisco IOS

Known Affected Releases

12.4(24.6)T4 12.4(24.6)T5 12.4(24.6)T6 12.4(24.6)T7 12.4(24.6)T8 12.4(24.6)T9

Description (partial)

Symptoms: The ATM/IMA virtual interface is always down on a Cisco 3845 router. 
Conditions: The symptom is observed on a back-to-back E1/T1 ATM-IMA setup
(E1/T1 with ATM-AIM card). When "ima-group" is configured under the ATM
interface, the ATM link goes down and does not come up. The E1/T1 controllers
will be up, but the ATM/IMA link will be down.
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