1dropwatch(1) General Commands Manual dropwatch(1)
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6 dropwatch - kernel dropped packet monitoring utility
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9 dropwatch [-l method | list]
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12 dropwatch is an interactive utility for monitoring and recording pack‐
13 ets that are dropped by the kernel.
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16 -l method | list, --lmethod method | list
17 Select the translation method to use when a drop alert arrives.
18 By default the raw instruction pointer of a drop location is
19 output, but by the use of the -l option, we can assign a trans‐
20 lation method so that the instruction pointer can be translated
21 into function names. Currently supported lookup methods are:
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23 list Show all supported methods.
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25 kas Use /proc/kallsyms to lookup instruction pointers to
26 function mappings.
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29 start Tells the kernel to start reporting dropped packets.
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31 stop Tells the kernel to discontinue reporting dropped packets.
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33 exit Exits the dropmonitor program.
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35 help Displays summary of all commands.
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37 set alertlimit value
38 Sets a triggerpoint to stop monitoring for dropped packets after
39 value alerts have been received.
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43Neil Horman Mar 2009 dropwatch(1)