• Configuring IGMP Snooping (CLI Procedure)
• Example: Configuring IGMP Snooping on EX Series Switches
Monitoring Spanning Tree Protocols
Purpose NOTE: This topic applies only to the J-Web Application package.
Use the monitoring feature to view status and information about the spanning-tree
protocol parameters on your EX Series switch.
Action To display spanning-tree protocol parameter details in the J-Web interface, select Monitor
> Switching > STP.
To display spanning-tree protocol parameter details in the CLI, enter the following
commands:
• show spanning-tree interface
• show spanning-tree bridge
Meaning Table 103 on page 223 summarizes the spanning-tree protocol parameters.
Table 103: Summary of Spanning Tree Protocols Output Fields
ValuesField
Bridge Parameters
Displays bridge information for the specified routing instance.Routing instance name
NOTE: The option is supported only on
EX4300 switches.
An internally generated identifier.Context ID
Spanning-tree protocol type enabled.Enabled Protocol
Bridge ID of the elected spanning-tree root bridge.
The bridge ID consists of a configurable bridge priority and the MAC address of
the bridge.
Root ID
Calculated cost to reach the root bridge from the bridge where the command is
entered.
Root cost
Interface that is the current elected root port for this bridge.Root port
Locally configured bridge ID.Bridge ID
223Copyright © 2017, Juniper Networks, Inc.
Chapter 16: Monitoring Tasks
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