Juniper EX Series User Manual

• 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

Juniper EX Series Specifications

General

Series	EX Series
Category	Switch
Layer	Layer 2/3
Operating System	Junos OS
Managed	Yes
ACLs	Yes
Port Density	Varies by model
Power over Ethernet (PoE)	Available on some models
Virtual Chassis	Supported on some models
Form Factor	Fixed configuration, Modular
Switching Capacity	Varies by model
Forwarding Rate	Varies by model
Power Supply	Varies by model (AC or DC, redundant options available)
Management	CLI, Web UI, SNMP
Redundancy	Power supply, fan, Virtual Chassis
Latency	Varies by model
Jumbo Frames	Supported
VLAN Support	Yes
MAC Address Table Size	Varies by model
QoS	Yes
Energy Efficiency	EEE (802.3az)
Dimensions	Varies by model
Weight	Varies by model
Operating Temperature	0° to 45° C
Storage Temperature	-40° to 70° C
Humidity	5% to 90% non-condensing
MTBF	Varies by model
Warranty	Limited Lifetime