Using Cli Diagnostic Commands; Pinging Hosts From The Cli; Checking Mpls Connections From The Cli - Juniper J-Series Administration Manual

J-series Services Router Administration Guide
Table 115: J-Web Packet Capture Results and Output Summary (continued)
Field Description
Size of the packet (in bytes).
data size

Using CLI Diagnostic Commands

Because the CLI is a superset of the J-Web interface, you can perform certain tasks
only through the CLI. For an overview of the CLI operational mode commands, along
with instructions for filtering command output, see "CLI Diagnostic Commands
Overview" on page 211.
This section contains the following topics:

Pinging Hosts from the CLI

Use the CLI
This command is useful for diagnosing host and network connectivity problems. The
Services Router sends a series of ICMP echo (ping) requests to a specified host and
receives ICMP echo responses.
Alternatively, you can use the J-Web interface. (See "Using the J-Web Ping Host
Tool" on page 216.)
Enter the
the
user@host> ping host <interface source-interface> <bypass-routing> <count number>
<do-not-fragment> <inet | inet6> <interval seconds> <loose-source [hosts]>
<no-resolve> <pattern string> <rapid> <record-route>
<routing-instance routing-instance-name> <size bytes> <source source-address>
<strict> <strict-source [hosts]> <tos number> <ttl number> <wait seconds> <detail>
<verbose>
To quit the
Table 116: CLI ping Command Options
Option
host
230

Using CLI Diagnostic Commands

Pinging Hosts from the CLI on page 230
Checking MPLS Connections from the CLI on page 232
Tracing Unicast Routes from the CLI on page 237
Tracing Multicast Routes from the CLI on page 240
Displaying Log and Trace Files from the CLI on page 244
Monitoring Interfaces and Traffic from the CLI on page 245
ping command to verify that a host can be reached over the network.
ping command with the following syntax. Table 116 on page 230 describes
command options.
ping
command, press Ctrl-C.
ping
Description
Pings the hostname or IP address you specify.