Con®guring SDLC Interfaces

When using broadcast address to negotiate the role, the link uses a default SDLC con®guration.

When primary is the link role, the link performs an initial poll to a speci®c address.

2.For APPN point-to-point or negotiable, the broadcast address is used for the initial poll. For primary multipoint, the speci®c address is used.

3.For switched SDLC, the device must be primary, so link role type is not con®gurable for SDLC dial circuit interfaces.

link rts-hold

Dynamically changes the time to hold Request to Send (RTS) high after transmitting a frame without affecting the SRAM con®guration. This setting is for half-duplex mode. This setting has no effect in full-duplex mode.

Example:

set link rts-hold

Enter RTS hold duration after transmit complete [0.0]?

link snrm timeout or retry

For primary stations, dynamically changes the following SNRM(E) information without affecting the SRAM con®guration.

timeout

The time to wait for an Unnumbered Acknowledgment (UA) response before retransmitting an SNRM(E).

retry The number of times to retransmit an SNRM(E) without receiving a response before giving up.

Example:

set link snrm timeout

Enter SNRM response timeout [2.0]?

link type multipoint or point-to-point

Dynamically changes the SDLC link to either a multipoint link or a point-to-point link without affecting the SRAM con®guration.

Note: For switched SDLC, the link is always point-to-point, so link type is not con®gurable for SDLC dial circuit interfaces.

link xid/test timeout or retry

For primary stations, dynamically changes the following XID/test information without affecting the SRAM con®guration.

timeout

The maximum amount of time to wait for an XID or TEST frame response before retransmitting the test frame.

retry The maximum number of times an XID or TEST frame is resent before giving up. A 0 (zero) causes the router to retry inde®nitely.

Note: Examples for, and explanations of, the following parameters can be found in the SDLC con®guration chapter at ªSetº on page 544.

station address or name address Changes the station's SDLC address.

station address or name max-packet

Maximum size of packet that this station can receive.

556MRS V3.2 Software User's Guide

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IBM SC30-3681-08 manual Link type multipoint or point-to-point, Maximum size of packet that this station can receive