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iES22GF User’s Manual
28
iS5 Communications Inc.
RSTP
The number of RSTP configuration BPDU’s received/transmitted
on the port
STP
The number of legacy STP configuration BPDU’s received/transmitted on
the port
TCN
The number of (legacy) topology change notifications BPDU’s
received/transmitted on the port
Discarded Unknown
The number of unknown spanning tree BPDUs received (and
discarded) on the port.
Discarded Illegal
The number of illegal spanning tree BPDU’s received (and discarded)
on the port.
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STP Bridge Configurations
Label
Description
Protocol Version
The version of the STP protocol. Valid values include STP, RSTP and
MSTP.
Forward Delay
The delay used by STP bridges to transit root and designated ports
to forwarding (used in STP compatible mode). The range of valid values is
4 to 30 seconds.
Max Age
The maximum time the information transmitted by the root bridge is
considered valid. The range of valid values is 6 to 40 seconds, and
Max
Age
must be <= (FwdDelay-1)*2.