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40 lines
1.0 KiB
Plaintext
40 lines
1.0 KiB
Plaintext
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Pathchar finds bandwidth, delay, average queue and loss rate
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of hops between source and destination.
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This tool, written by Van Jacobson (author of traceroute), is
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alpha quality. Source code is not available.
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Command line arguments
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-a:
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-A:
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-d:
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-D: filename for debug output
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-f: initial hop #
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-F: probefilter
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-i: intersampletime
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-l: max ttl
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-L: locality
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-m: maxsize maximum packet size in bytes
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(if absent, pathchar determines path MTU)
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-M: minsize default: smallest possible
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(want large differential between max and min size,
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o/w a node w/queue will impact later nodes )
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-n: don't dns-resolve
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-p: port @@?
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-q: #queries, default 32
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-Q: bytes,
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if (-), packet size increment per query, defaults to 92.
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if (+), number of sizes, defaults to 32
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-s: lsrr?
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-S: fit spacing
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-t: tos
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-v: verbose mode
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-V: verbose?
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-w: seconds wait time
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"Please report problems to pathchar@ee.lbl.gov. But please
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don't ask questions -- if it doesn't make sense, wait for the
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beta release. Thanks. Have fun."
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http://www.caida.org/Pathchar/
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