PT-7828 User’s Manual
Featured Functions
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Turbo Ring V2
Select this item to change to the
Turbo Ring V2 configuration page.
Turbo Chain
Select this item to change to the
Turbo Chain configuration page
RSTP (IEEE
802.1W/1D)
Select this item to change to the
RSTP configuration page.
None
Ring redundancy is not active
Enable Ring Coupling
Setting
Description
Factory Default
Head
Select this EDS as Head Switch
Member
Member
Select this EDS as Member Switch
Tail
Select this EDS as Tail Switch
Enable Ring Coupling
Setting
Description
Factory Default
Head Port
Select any port of the EDS to be the
head port.
port 1-1
Member Port
Select any port of the EDS to be the
member port.
port 1-2
Enable Ring Coupling
Setting
Description
Factory Default
1st Member port
Select any port of the EDS to be the
1st member port
port 1-1
2nd Member port
Select any port of the EDS to be the
2nd member port
port 1-2
Enable Ring Coupling
Setting
Description
Factory Default
Tail Port
Select any port of the EDS to be the
tail port.
port 1-1
Member Port
Select any port of the EDS to be the
member port.
port 1-2
The STP/RSTP Concept
Spanning Tree Protocol (STP) was designed to help reduce link failures in a network and provide
protection from loops. Networks that have a complicated architecture are prone to broadcast
storms caused by unintended loops in the network. The PT-7828’s STP feature is disabled by
default. To be completely effective, you must enable RSTP/STP on every PT-7828 connected to
your network.
Rapid Spanning Tree Protocol (RSTP) implements the Spanning Tree Algorithm and Protocol
defined by IEEE Std 802.1w-2001. RSTP provides the following benefits:
y
The topology of a bridged network will be determined much more quickly compared to STP.
y
RSTP is backward compatible with STP, making it relatively easy to deploy. For example:
¾
It defaults to sending 802.1D style BPDUs if packets with this format are received.
