- play_arrow Working With Network Director
- play_arrow About Network Director
- play_arrow Installing Network Director
- play_arrow Accessing Network Director
- play_arrow Understanding Network Director System Administration and Preferences
- play_arrow Getting Started with Network Director
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- play_arrow Working with the Dashboard
- play_arrow About the Dashboard
- play_arrow Using the Dashboard
- play_arrow Dashboard Widget Reference
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- play_arrow Working in Build Mode
- play_arrow About Build Mode
- play_arrow Discovering Devices
- play_arrow Setting Up Sites and Locations Using the Location View
- Understanding the Location View
- Setting Up the Location View
- Creating a Site
- Configuring Buildings
- Configuring Floors
- Setting Up Closets
- Assigning and Unassigning Devices to a Location
- Changing the Location of a Device
- Deleting Sites, Buildings, Floors, Wiring Closets, and Devices
- Configuring Outdoor Areas
- play_arrow Building a Topology View of the Network
- play_arrow Creating Custom Device Groups
- play_arrow Configuring Quick Templates
- play_arrow Configuring Device Settings
- play_arrow Configuring Authentication, Authorization, and Access for Your Network
- play_arrow Configuring Interfaces and VLANs
- Understanding Port Profiles
- Creating and Managing Port Profiles
- Assigning and Unassigning Port Profiles from Interfaces
- Managing Auto Assignment Policies
- Creating Auto Assignments
- Configuring Easy Config Setup
- Understanding Port Groups
- Creating and Managing Port Groups
- Understanding VLAN Profiles
- Creating and Managing VLAN Profiles
- Assigning a VLAN Profile to Devices or Ports
- play_arrow Configuring Firewall Filters (ACLs)
- play_arrow Configuring Class of Service (CoS)
- play_arrow Configuring Media Access Control Security (MACsec)
- play_arrow Configuring Link Aggregation Groups (LAGs)
- play_arrow Creating and Managing Fabrics
- Understanding Junos Fusion
- Understanding Junos Fusion Enterprise
- Software Requirements for Junos Fusion
- Creating and Managing Fusion Configuration Templates
- Managing Fusion Fabrics
- Creating and Managing Satellite Software Upgrade Groups
- Understanding Layer 3 Fabrics
- User Privileges Required for the DHCP and File Server While Using Zero Touch Provisioning
- Managing Layer 3 Fabrics
- Creating Layer 3 Fabrics
- Editing Layer 3 Fabrics
- Viewing Layer 3 Fabric Connectivity
- Performing Layer 3 Fabric Connectivity Checks
- play_arrow Configuring VRRP Profiles
- play_arrow Managing Network Devices
- Viewing the Device Inventory Page
- Physical Topology
- Viewing Profiles Assigned to a Device
- Viewing the Physical Inventory of Devices
- Viewing Licenses With Network Director
- Viewing a Device's Current Configuration from Network Director
- Assigning Devices to Logical Category
- Accessing a Device’s CLI from Network Director
- Accessing a Device’s Web-Based Interface from Network Director
- Deleting Devices
- Rebooting Devices
- Viewing Virtual Machines
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- play_arrow Working in Deploy Mode
- play_arrow About Deploy Mode
- play_arrow Deploying and Managing Device Configurations
- Deploying Configuration to Devices
- Managing Configuration Deployment Jobs
- Deploy Configuration Window
- Importing Configuration Data from Junos OS Configuration Groups
- Enabling High-Frequency Traffic Statistics Monitoring on Devices
- Configuring Network Traffic Analysis
- Approving Change Requests
- Enabling SNMP Categories and Setting Trap Destinations
- Understanding Resynchronization of Device Configuration
- Resynchronizing Device Configuration
- Managing Device Configuration Files
- Creating and Managing Baseline of Device Configuration Files
- play_arrow Deploying and Managing Software Images
- play_arrow Managing Devices
- play_arrow Setting Up Zero Touch Provisioning for Devices
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- play_arrow Using Fault Mode
- play_arrow About Fault Mode
- play_arrow Using Fault Mode
- play_arrow Fault Reference
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- play_arrow Working in Report Mode
- play_arrow About Report Mode
- play_arrow Creating and Managing Reports
- play_arrow Report Reference
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- play_arrow Working with Network Director Mobile
- play_arrow About Network Director Mobile
- play_arrow Getting Started with Network Director Mobile
- play_arrow Working in the Network Director Mobile Dashboard Mode
- play_arrow Working in the Network Director Mobile Devices Mode
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Troubleshooting Network Connections Using Traceroute
Traceroute is a diagnostic tool that enables you to display the route that a packet takes to reach the destination and measure transit delays of packets across an Internet Protocol (IP) network. You can use traceroute to troubleshoot and identify points of failure in your switching network. In traceroute, the source device sends three Internet Control Message Protocol (ICMP) echo request packets to the destination device. This is done sequentially till the source receives an ICMP echo reply message from the destination device. The time-to-live (TTL) value is used in determining the number of intermediate devices that the packets traverse before reaching the destination device.
You can use traceroute for EX Series switches and QFX Series switches.
To start a traceroute from the selected device to another device in your network:
- Select either IP or HostName in the Remote Host Details box.
- Type the IP address or hostname for the device to which you want to start a traceroute.
- Click Trace to use the default settings and start the traceroute or select the plus (+) symbol to use the Advanced Options. The fields in Advanced Options are described in Table 1.
Field | Description | Default |
|---|---|---|
Interface | Sends the Internet Control Message Protocol (ICMP) echo request packets on the interface you specify. If you do not specify this option, ICMP packets are sent on all interfaces. | Select a value from the list. |
Time To Live | Indicates the time-to-live hop count for the ICMP echo request packets. Default value is 30. Valid values are 1 through 255. | 30 |
Wait Interval | Indicates the amount of time in seconds between echo requests. Default value is 5. Valid values are 1 through 24. | 5 |
Type of Service | Sets the type-of-service (ToS) field in the IP header of the echo packets. The range of values is 0 through 255. If the routing platform does not support ToS, the field is ignored. | 0 |
