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42 lines
1000 B
Bash
Executable File
42 lines
1000 B
Bash
Executable File
#!/bin/sh
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#
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# Plugin to monitor total ARP entries
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#
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# Parameters understood:
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#
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# config (required)
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# autoconf (optional)
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#
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# Made by Sven Hartge (sven AT svenhartge DOT de)
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#
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#%# family=contrib
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#%# capabilities=autoconf
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if [ "$1" = "autoconf" ]; then
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# Search for arp
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which arp >/dev/null 2>/dev/null || (echo "no (can't find arp binary)" && exit 1)
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# ...or success
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echo yes
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exit 0
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fi
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if [ "$1" = "config" ]; then
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echo 'graph_title ARP entries'
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echo 'graph_args --base 1000 -l 0'
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echo 'graph_vlabel Entries'
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echo 'graph_category network'
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echo 'graph_scale no'
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echo 'graph_info This graph shows the number of ARP entries registered by the system.'
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echo 'entries.label ARP entries'
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echo 'entries.draw LINE2'
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echo 'entries.type GAUGE'
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echo 'entries.info Number of ARP entries'
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exit 0
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fi
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arp -an | awk 'BEGIN { regex="<incomplete>";} { if (!match($4,regex)) { a[$4] }} END{for(i in a){n++};print "entries.value " n}'
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