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Cisco Bug: CSCta78212 - PERF: IOS IPS V5 : Throughput severly impacted when IPS enabled

Last Modified

Jan 28, 2017

Products (1)

  • Cisco IOS

Known Affected Releases


Description (partial)

Symptoms: Following an upgrade to Cisco IOS Release 12.4(15)T7 with IPS v5,
there is a severe drop in throughput for customer traffic when IPS is enabled.
Conditions: The symptom is observed with the following conditions: 

- A Cisco 1841 router that is running Cisco IOS Release 12.4(15)T7.
- The image is c1841-advsecurityk9-mz.124-15.T7.
- IPS v5.
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