ping atm

Syntax

Release Information

Command introduced before Junos OS Release 7.4.

Description

Check the reachability of a remote Asynchronous Transfer Mode (ATM) node. All packets are 53 bytes. Type Ctrl+c to interrupt a ping atm command.

Options

interface interface-name

Interface to use to send the ATM ping requests. For ATM 1 and ATM 2 interfaces, you must include a logical unit number in the interface name

vci vci

ATM point-to-point virtual circuit identifier. It can be a virtual circuit identifier (vci) or a virtual private identifier (vpi.vci).

brief

(Optional) Display only the ATM ping summary statistics. These are displayed after you type Ctrl+c to interrupt the ping atm command.

count count

(Optional) Number of ping requests to send. The range of values is 0 through 10,000. The default value is an unlimited number of requests.

end-to-end

(Optional) Cells are sent to the end node. This is the default.

segment

(Optional) Cells are sent only to the intermediate node.

interval seconds

(Optional) How often to send ping requests. The range of values, in seconds, is 1 through 10,000. The default value is 1.

sequence-number sequence-number

(Optional) Starting sequence number (correlation tag). The range of values is 0 through 65,468. The default value is 1.

Required Privilege Level

network

List of Sample Output

Output Fields

When you enter this command, you are provided feedback on the status of your request. An exclamation point (!) indicates that an echo reply was received. A period (.) indicates that an echo reply was not received within the timeout period. An x indicates that an echo reply was received with an error code these packets are not counted in the received packets count. They are accounted for separately.

Sample Output

53 byte oam cell received on (vpi=0 vci=128): seq=1
53 byte oam cell received on (vpi=0 vci=128): seq=2
^C[abort]
--- atmping statistics ---
5 cells transmitted, 5 cells received, 0% cell loss