Olicom CrossFire 8730, Reference Manual

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CrossFire 8730 Switch Reference Guide, DOC-7047 v. 1.1 Monitoring the Network from the Statistics Menu
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Known-<port type> Port <nn>
— A known address on Port nn
— Port type = TR: The address is known at the specified token-ring port.
— The address will be present at port nn
— Port type = STK: The address is known at a port of another switch in the stack.
If the address has occurred as a destination address in incoming
frames at other ports, it will be present in these ports too.
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Unknown
— The address is a unicast address and has occurred as a destination address
in incoming frames at one or more ports. The switch has however not yet
learned the location of the address because the station has not sent any
response frames.
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Multicast
— The address is a group address or a functional address and has occurred as
a destination address in incoming frames at one or more ports.
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STP Multicast
— The group address used as a destination address in IEEE Spanning Tree
Protocol frames.
— Present on all ports.
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STP Multicast-Cisco
— The group address used as a destination address in Cisco Spanning Tree
Protocol frames.
— Present on all ports.
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STP Multicast-IBM
— The functional address used as a destination address in IBM Spanning
Tree Protocol frames.
— Present on all ports.
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Broadcast
— One of the token-ring broadcast addresses.
— Present on all ports.
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STP Port <nn>
— The MAC Address of port nn