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Parameter

Type

Value

interface

Text string

This parameter identifies an Ethernet adapter of the host system dedicated to CHARON-VAX / CHARON-PDP with a keyword "connection" preceeding it.

Syntax:

set <name> interface="connection:<adapter>"

Example:

set pp_1 interface="eth0connection:Charon"

port_enable_mac_addr_change

Boolean

If "true" is specified (default value), CHARON sets the appropriate Ethernet address automatically.

If "false" is specified, set the Ethernet address manually.

Example:

set pp_1 port_enable_mac_addr_change=false

port_ignore_on_rx

Numeric

The "port_ignore_on_rx" parameter provides the ability to shutdown the port when a specified number of sequential "on receive" errors is exceeded.

Typically, errors "on receive" indicate serious (unrecoverable) errors.

By default, the value is set to the value of the "port_pending_rx_number" parameter. A value of ‘0’ means infinite.

Example:

set pp_1 port_ignore_on_rx=16

port_retry_on_tx

Numeric

The "port_retry_on_tx" parameter controls the number of times a port will attempt to transmit a packet before giving up.

By default, the value is 3.

Increasing this value may introduce problems in carrier loss logic, because not all NIC drivers support a carrier status query.

Typically, you do not need to increase the value.

Example:

set pp_1 port_retry_on_tx=8

port_pending_rx_number

Numeric

The "port_pending_rx_number" parameter sets the number of pending receive buffers.

The default value is 63. The maximum value allowed is 195.

You may want to increase the "port_pending_rx_number" when you have very busy networking and experience problems like losing connections not related to the carrier loss.

Typically, you do not need to change this parameter.

Example:

set pp_1 port_pending_rx_number=128

port_pending_rx_number

Numeric

The "port_pending_tx_number" parameter sets the number of buffers the port uses to transmit.

The default value is 62.

You may want to increase the "port_pending_tx_number" value if the log file indicates dropped TX packets due to TX queue overflow.

Typically, you do not need to change this parameter.

Example:

set pp_1 port_pending_rx_number=128

suspend_msg_on_mac_change

Boolean

To avoid confusion arising from non critical errors during a MAC address change, logging is by default suppressed (default value is "true").

To enable tracing during a MAC address change set this parameter to "false"

Example:

set pp_1 suspend_msg_on_mac_change=false

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