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Cisco Bug: CSCvu10289 - On ARP initialise validate shared memory validity and reset shared memory if corrupted

Last Modified

Sep 02, 2020

Products (11)

  • Cisco ASR 9000 Series Aggregation Services Routers
  • Cisco ASR 9910 Router
  • Cisco IOS XR Software
  • Cisco ASR 9922 Router
  • Cisco ASR 9010 Router
  • Cisco ASR 9904 Router
  • Cisco ASR 9006 Router
  • Cisco ASR 9001 Router
  • Cisco ASR 9901 Router
  • Cisco ASR 9912 Router
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Known Affected Releases


Description (partial)

Corruption caused in shared memory used by arp process leads to continuous arp process restarts

As soon as arp process initialises it again crashes
ARP process may start to crash as soon as either of following traces will be seen :
We will have to search for traces containing ip_arp_timers_init or ip_arp_db_arptbl_init...
In old releases the logs will be as 
"called function ip_arp_timers_init"
"function returned success :ip_arp_db_arptbl_init"
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
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