Emulex DCP_link User Manual

Page 85

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6-8 Chapter 6

NOTE: The

User Data Size

should be smaller than the

absolute frame size accommodated by the network,
i.e., less than the Maximum Physical Packet
Receive Size
configured in the STARTUP.NCF file.
Verify that all destinations support the same
Maximum Physical Packet Receive Size.

Send Queue Limit

specifies the maximum number of outbound data

packets that can be queued to this port for transmission. When the queue
limit is exceeded, the most recently queued outbound packets are
dropped.

The value ranges from 0 to 512 packets with a factory default of 100
packets. Selecting 0 disables the queue limit thereby allowing unlimited
queue depth.

NOTE: When utilizing unlimited queue depth, monitor the

server performance and total traffic constantly. Be
especially careful of conditions that can impact
memory usage and adversely affect buffer table
allocation in the NetWare environment.

Parameter Group

field specifies the type of link management required.

− Annex D Parameters (factory default)
− LMI Parameters
− No DLCI Parameters

Both LMI and Annex D provide similar management facilities
except that Annex D enables an unrequested status commands from
the network.

Select No DLCI Parameters for back-to-back or point-to-point Frame
Relay configurations.

The

Parameter Group Configuration

field applies to both Annex D and

LMI link management.

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