Compaq Compaq TCP/IP Services for OpenVMS Manuel de service télécharger pdf (Page 79)

LOOP

Sends ICMP ECHO packets to hosts to determine whether they are active. Same

as the PING command.

Format

LOOP [ host ]

[ /ADDRESS=xx.xx.xx.xx ]

[ /ALL ]

[ /FULL ]

[ /NUMBER_PACKETS=n ]

[ /PACKET_SIZE=n ]

[ /PATTERN="hexadecimal-string" ]

[ /[NO]ROUTE ]

[ /WAIT=n ]

Parameters

host

Optional. Default: None.

Speciﬁes the host to which the test packets are sent. Omitting the host parameter

and the /ADDRESS qualiﬁer tests the TCP/IP Services software on the local node,

as deﬁned by the system logical TCPIP$INET_HOST.

Qualiﬁers

/ADDRESS=xx.xx.xx.xx

Optional.

Speciﬁes the IP address of the host to which the test packets are sent.

/ALL

Optional. Default: Not all requests.

Displays all ICMP ECHO_REQUESTs, even if not in direct response to this

operation.

/FULL

Optional.

Numeric output only. No attempt is made to look up symbolic names for host

addresses. This occurs only when displaying ICMP packets other than ECHO_

RESPONSE.

/NUMBER_PACKETS=n

Optional. Default: 4 packets

Speciﬁes the number of packets to send. If you specify 0, packets are sent

continuously until you terminate the LOOP command with Ctrl/C.

/PACKET_SIZE=n

Optional. Default: 64 bytes.

Speciﬁes the size of the ICMP ECHO_REQUEST.

Command Descriptions 2–59

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Compaq Compaq TCP/IP Services for OpenVMS Manuel de service Page 79