How To Use the Network Control Language (NCL) Commands To Manage a Router

Blocking and Unblocking Spanning Tree Explorer FramesBlocking and Unblocking SpanningTree Explorer Frames

Because the spanning tree does not operate automatically on source-route bridging circuits, it is necessary to “manually” build the spanning tree in these circuits. Blockste and Unblockste allow you to block and unblock the forwarding of spanning tree explorer frames on source-route bridging circuit groups. This is an alternative to changing the Block STE configuration parameter in the Configuration Editor and booting the router to put the change into effect. (Refer to the HP Router Operator’s Reference.) These commands override the current setting of the Block STE parameter.

Command Syntax The following example of the Blockste command demonstrates the conventions used in this table:

blockste circut group where:

blockste is the command name

circuit group is a required value that you provide

Command

Function

Blockste all

Block spanning tree explorer frames on all circuit groups in the

 

router.

blockste circuit group

Block spanning tree explorer frames on the specified circuit

 

group.

Unblockste all

Unblock spanning tree explorer frames on all circuit groups in the

 

router.

unblockste circuit group

Unblock spanning tree explorer frames on the specified circuit

 

group.

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