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Cisco Bug: CSCtc11266 - Router crash with bus error at process_dns_packet

Last Modified

Jan 27, 2017

Products (1)

  • Cisco IOS

Known Affected Releases


Description (partial)

Symptoms: The router undergoes a bus error crash. Before the crash, the
following error messages are displayed:
%SYS-3-INVMEMINT: Invalid memory action (free) at interrupt level
%SYS-4-SNMP_WRITENET: SNMP WriteNet request. 
%ALIGN-1-FATAL: Illegal access to a low address 

Conditions: This symptom is observed on a router running Cisco IOS Release
12.4(22)T1 that is used as a zone-based firewall with no routing and VPN
outside---ASA firewall-----gig-IOS firewall-gig-----inside network
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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