Diagnostic Tools Overview; J-Web Diagnostic Tools Overview; Cli Diagnostic Commands Overview; Mpls Connection Checking - Juniper J-Series Administration Manual

J-series Services Router Administration Guide
Table 104: J-series Diagnostic Terms (continued)
Term
strict source routing
time to live (TTL)
type of service (TOS)

Diagnostic Tools Overview

Use the J-Web Diagnose options to diagnose a Services Router. J-Web results are
displayed in the browser.
You can also diagnose the router with CLI operational mode commands. CLI command
output appears on the screen of your console or management device, or you can
filter the output to a file.
This section contains the following topics. To filter output to a file, see "Filtering
Command Output" on page 105.

J-Web Diagnostic Tools Overview

The J-Web diagnostic tools consist of the options that appear when you select
Diagnose and Manage in the task bar. Table 105 on page 210 describes the functions
of the Diagnose and Manage options.
Table 105: J-Web Interface Diagnose and Manage Options
Option Function
Diagnose Options
Ping Host Allows you to ping a remote host. You can configure advanced options for the ping operation.
For details, see "Using the J-Web Ping Host Tool" on page 216.
Ping MPLS Allows you to ping an MPLS endpoint using various options.
For details, see "MPLS Connection Checking" on page 213.
210

Diagnostic Tools Overview

Definition
Option in the IP header used to route a packet based on information supplied by the source. A
gateway or host must route the packet exactly as specified by this information.
Value (octet) in the IP header that is (usually) decremented by 1 for each hop the packet passes
through. If the field reaches zero, the packet is discarded and a corresponding error message is
sent to the source of the packet.
Value (octet) in the IP header that defines the service the source host requests, such as the
packet's priority and the preferred delay, throughput, and reliability.
J-Web Diagnostic Tools Overview on page 210
CLI Diagnostic Commands Overview on page 211
MPLS Connection Checking on page 213