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Cabletron Systems STS16-20R User Manual

Page 193

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179

Monitoring the Network from the Console Statistics Menu

SmartStack STS16-20D/STS16-20R Token Ring Switches Installation and User Guide

Known- Port

A known address on port nn. The port number “nn” can be followed by
SRT

which means that the address is known as source of frames

that shall be switched using the SRT switching mode. If a BRF is
configured for SRT/SRB mode, a MAC address can be known both as
an SRT address and as an SRB address.

can be:
TR—

The address is known at the specified Token-Ring port.

ATM

—The address is known at the specified ATM port

HSTR

—The address is known at the specified High-Speed

Token-Ring port
TS

—The address is known at the specified Translational Switch.

Port

—In this case “nn” will appear as /.

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.

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.

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.

STP Multicast

The group address used as a destination address in IEEE Spanning
Tree Protocol frames.

— Present on all ports.

STP Multicast-Cisco

The group address used as a destination address in Cisco Spanning
Tree Protocol frames.

— Present on all ports.

STP Multicast-IBM

— The functional address used as a destination address in IBM Spanning

Tree Protocol frames.