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9.9 +BPNGKA: PING based Keep-alive

Description

This command configures the ping-based keep-alive feature of a modem WAN PPP connection.

When enabled, the modem sends a PING request each time no packet is received for the

specified inactivity timer.

The modem may also be configured to either reset the PPP connection or the whole modem after

a maximum number of consecutive PING attempts fails to receive a response.

The reception of an IP packet on the PPP connection resets the inactivity timer and the failure

counter.

Availability

Since FW version 3.1.1

Since FW 3.2.0 (Action parameter)

Command Syntax

AT+BPNGKA=<Delay_min>,<Count Before Reset>,"<IP DST>",<Action>

Response Syntax

+BPNGKA: <Delay_min>,<Count Before Reset>,"<IP DST>",<Action>

Defined Values

<Delay_min>

0 Disable the ping-based keep-alive feature (default).

1–1440 Send a ping when the specified delay in minutes elapses after the

last packet has been received.

0 Do not perform any action when ping fails (default).

1-1023 Number of consecutive ping failures before performing the specified

action (terminating the existing PPP connection or resetting the

modem)

nnn.nnn.nnn.nnn IP address (dotted decimal) of remote destination

<Action> Action to perform after the specified maximum number of consecutive ping failures

(non-null <Count before reset>):

0 Reset the PPP connection (default)

1 Reset the modem

Example:

Commands Responses

AT+BPNGKA?

+BPNGKA:20,5,"205.205.17.71",0

AT+BPNGKA=20,5,"205.205.17.71",0 OK

1 2 ... 67 68 69 70 71 72 73 74 75 76 77 ... 129 130

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BlueTree 5000 Manual de usuario Pagina 72