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Cisco Bug: CSCul94087 - IMA output packet drops on CISCO7609 over SPA-24CHT1-CE-ATM

Last Modified

Jan 28, 2017

Products (1)

  • Cisco 7600 Series Routers

Known Affected Releases


Description (partial)

Output Packet drops is observed on the ATM IMA interface even when there is no live traffic and only signalling exchange between non-Cisco devices.
Although output drops in most cases means low bandwidth issues but in this case, an entire site was down due to these drops.

This symptom occurs under the following conditions:

1. Layer 2 cross connect is configured on Cisco device and Non - Cisco device at other end.

2. Only signalling traffic flows through the devices.

3. IMA group is created for the ATM connectivity.

4.SPA-24CHT1-CE-ATM card is to be used for the ATM connection.
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Bug Details Include

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