Documentation Index
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arp
ARP (Address Resolution Protocol) scanning for host discovery on local network segments.
Usage
r4t arp <subcommand> [flags]
Subcommands
arp scan
Perform an ARP scan to discover live hosts on the local network.
# Scan using the configured interface
r4t arp scan
# Specify an interface
r4t arp scan --interface eth0
# Print results to stdout
r4t arp scan --stdout
# Write results to file
r4t arp scan --output /tmp/arp-hosts.txt
# Retry multiple times for unreliable networks
r4t arp scan --retries 3
| Flag | Short | Description |
|---|
--retries | -r | Number of times to retry ARP scan |
--output | -o | Output file for results |
--interface | -i | Network interface to use (overrides r4t set --interface) |
--stdout | -s | Print results to stdout |
Output
Results include: IP address, MAC address, and vendor (OUI lookup). Discovered hosts can be added as targets:
# Scan and review results
r4t arp scan --stdout
# Add discovered hosts as targets
r4t targets add 10.10.10.10
r4t targets add 10.10.10.20
