Generating Exception Core Dumps

October 28, 2008 at 11:21 am | Posted in System Management | Leave a comment

IEWB1 Vol1 ver5 Task 12.10

  • Configure R3 to save core dumps to an FTP server at 155.X.146.100 under the name “r3-core”.
  • Use active FTP and the username/password values cisco/cisco.
  • Configure the router to generate a memory dump and reload as soon as free memory falls below 1Mbyte.
  • The router should also reload in the case that memory fragmentation prohibits a process from allocating more than 64Kbytes of memory.
  • Disable the local crash information collection.

Configuration

Rack1R3#
exception core-file r3-core
exception protocol ftp
exception dump 155.1.146.100
exception memory fragment 64000
exception memory minimum 1000000
!
no ip ftp passive
ip ftp username cisco
ip ftp password cisco
!
no exception crashinfo

Note with entering the last command:

Rack1R3(config)#no exception crashinfo
% Incomplete command.

Rack1R3(config)#no exception crashinfo file flash:

Rack1R3(config)#do sh run | in crashinfo
no exception crashinfo
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