mirror of https://github.com/CrimsonTome/tldr.git
30 lines
1.4 KiB
Markdown
30 lines
1.4 KiB
Markdown
# scamper
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> Actively probes the Internet in order to analyze topology and performance.
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> Includes some tools that start with `sc_`, for example `sc_warts2text` or `sc_ttlexp`.
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> More information: <https://www.caida.org/catalog/software/scamper/>.
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- Execute the standard option (traceroute) to a destination:
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`scamper -i {{192.0.2.1}}`
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- Execute two actions (ping and traceroute) on two different targets:
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`scamper -I "{{ping}} {{192.0.2.1}}" -I "{{trace}} {{192.0.2.2}}`
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- Ping several hosts with UDP, use a specific port number for the first ping and increase it for each subsequent ping:
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`scamper -c "{{ping}} -P {{UDP-dport}} -d {{33434}}" -i {{192.0.2.1}} -i {{192.0.2.2}}`
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- Use the Multipath Discovery Algorithm (MDA) to determine the presence of load-balanced paths to the destination and use ICMP echo packets to sample with a maximum of three attempts, write the result to a `warts` file:
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`scamper -O {{warts}} -o {{path/to/output.warts}} -I "{{tracelb}} -P {{ICMP-echo}} -q {{3}} {{192.0.2.1}}"`
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- Execute a Paris traceroute with ICMP to a destination and save the result in a compressed `warts` file:
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`scamper -O {{warts.gz}} -o {{path/to/output.warts}} -I "{{trace}} -P {{icmp-paris}} {{2001:db8:dead:beaf::4}}"`
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- Record all ICMP packets that arrive at a specific IP address and have a specific ICMP ID in a `warts` file:
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`scamper -O {{warts}} -o {{path/to/output.warts}} -I "sniff -S {{2001:db8:dead:beef::6}} icmp[icmpid] == {{101}}"`
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