Keep the following guidelines in mind when configuring spanning-tree instance interfaces
as edge ports:
•
Do not configure a spanning-tree instance interface as an edge port if it is connected
to any Layer 2 bridge. An instance interface connected to Layer 2 bridges but configured
as an edge port can cause physical loops.
•
if the spanning-tree protocol is configured to run the original IEEE 802.1D spanning-tree
version, the edge-port option (if configured) is ignored.
•
If edge ports are configured at both the VSTP global and VLAN levels, the configuration
at the VLAN level overrides the global configuration.
Related
Documentation
Example: Configuring BPDU Protection on Edge Interfaces to Prevent STP Miscalculations•
• Configuring Rapid Spanning Tree Protocol
• Configuring Multiple Spanning Tree Protocol
• Configuring VLAN Spanning Tree Protocol
• edge
• interface (Spanning Tree)
• Configuring RSTP (CLI Procedure)
• Configuring VLAN Spanning Tree Protocol
• Configuring MSTP
Spanning-Tree Protocol Trace Options
In order to trace spanning-tree protocol operations, you can set spanning-tree
protocol-specific trace options in the spanning-tree protocol configuration.
For general information about tracing and global tracing options, see the statement
summary for the global traceoptions statement in the Junos OS Routing Protocols Library.
Related
Documentation
Configuring Rapid Spanning Tree Protocol•
• Configuring Multiple Spanning Tree Protocol
• Configuring VLAN Spanning Tree Protocol
• Example: Tracing Spanning-Tree Protocol Operations
• traceoptions (Spanning Tree)
Copyright © 2017, Juniper Networks, Inc.410
ACX Series Universal Access Router Configuration Guide
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