• Configuring VLAN Spanning Tree Protocol
• max-age
Hello Time for Root Bridge to Transmit Hello BPDUs
The hello timer specifies the time interval at which the root bridge transmits configuration
BPDUs.
Related
Documentation
Configuring Rapid Spanning Tree Protocol•
• Configuring Multiple Spanning Tree Protocol
• Configuring VLAN Spanning Tree Protocol
• hello-time
Forward Delay Before Ports Transition to Forwarding State
The forwarding delay timer specifies the length of time a spanning-tree protocol bridge
port remains in the listening and learning states before transitioning to the forwarding
state. Setting the interval too short could cause unnecessary spanning-tree reconvergence.
Before changing this parameter, you should have a thorough understanding of
spanning-tree protocols.
Related
Documentation
Configuring Rapid Spanning Tree Protocol•
• Configuring Multiple Spanning Tree Protocol
• Configuring VLAN Spanning Tree Protocol
• forward-delay
Spanning-Tree Instance Interface
STP and RSTP are limited to a single instance on any physical interface. Use the interface
statement to configure which interfaces participate in the STP or RSTP instance.
MSTP supports multiple instances on a single physical interface. Use the interface
statement to configure which logical interfaces participate in MSTP.
For VSTP, interfaces can be configured at the global level or at the VLAN level. Interfaces
configured at the global VSTP level will be enabled for all the configured VLANs. If an
interface is configured at both the global and VLAN levels, the configuration at the VLAN
level overrides the global configuration.
Related
Documentation
Configuring Rapid Spanning Tree Protocol•
• Configuring Multiple Spanning Tree Protocol
• Configuring VLAN Spanning Tree Protocol
407Copyright © 2017, Juniper Networks, Inc.
Chapter 12: Configuring Layer 2 Control Protocol
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