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Barracuda NextGen Firewall X

Log message kernel: dst cache overflow' reported in klogd.log

  • Type: Knowledgebase
  • Date changed: 3 years ago
Solution #00005315 

This solution replies to:
- NG Firewall firmware versions 4.2.x, 5.0.x, 5.2.x
- netfence firmware versions 4.2.x

Log messages like the following are reported in the log file "Log" > "Box" > "System" > "klogd.log":

2009 07 19 10:41:14     Info     kernel: dst cache overflow 

What does it mean?


The message is related to the state of the Routing Cache. It is recorded as soon as the Routing Cache empties itself due to a content overflow. The cache hence builds up anew.

The setting is located in "Config" > "Box" > "Advanced Configuration" > "System Settings" > "Routing Settings" > "Max Routing Cache Entries". By default a maximum number of 32768 entries are assigned to the Routing Cache. To avoid frequent "kernel: dst cache overflow" notifications, this value may be increased.

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