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This utility shows what is connected to which ports of an ethernet switch. It uses SNMP to query the bridge MIB to get MAC addresses and map them to ports. It then gets mappings from port number to ifIndex and thence to interface names (either ifName or ifDescr). Then it looks in the data from arpwatch, if available, and in /proc/net/dev to get MAC to IP# mappings. Finally, it shows what is on which port.
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Last updated Fri May 30 13:50:58 PDT 2003 by <firstname.lastname@example.org>.