Page 548 7750 SR OS Services Guide
Spoke SDP Auto Edge
The spoke SDP
edge-port command is used to instruct STP to dynamically decide whether the
spoke SDP is connected to another bridge.
If auto-edge is enabled, and STP concludes there is no bridge behind the spoke SDP, the
OPER_EDGE variable will dynamically be set to true. If auto-edge is enabled, and a BPDU is
received, the OPER_EDGE variable will dynamically be set to true (see Spoke SDP Edge Port on
page 547).
Valid values for spoke SDP auto-edge are enabled and disabled with enabled being the default.
CLI Syntax: config>service>vpls>spoke-sdp>stp#
[no] auto-edge
Default: auto-edge
Spoke SDP Link Type
The spoke SDP
link-type command instructs STP on the maximum number of bridges behind
this spoke SDP. If there is only a single bridge, transitioning to forwarding state will be based on
handshaking (fast transitions). If more than two bridges are connected via a shared media, their
spoke SDPs should all be configured as shared, and timer-based transitions are used.
Valid values for spoke SDP link-type are shared and pt-pt with pt-pt being the default.
CLI Syntax: config>service>vpls>spoke-sdp>stp#
link-type {pt-pt|shared}
Default: link-type pt-pt
Restore Default: no link-type
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