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Cisco Bug: CSCta39763 - Memory leak in ISDN Call Tabl

Last Modified

Feb 15, 2018

Products (1)

  • Cisco IOS

Known Affected Releases


Description (partial)

Symptoms: A Cisco router may experience a memory leak in the "ISDN Call Tabl"
process, as seen in the output below:

Router#<CmdBold> show memory all totals<noCmdBold>
Allocator PC Summary for: Processor
Displayed first 2048 Allocator PCs only
PC                    Total           Count     Name
0x6010B9E8    9891336     513        ISDN Call Tabl

Conditions: This has been experienced on a Cisco 3845 router running Cisco IOS
Release 12.4(22)T with ISDN configured.
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