3Com Router Command Reference Guide — V1.00DescriptionUsing the sdlc max-pdu command, you can configure the maximum length of SDLCreceivable frames. Using the undo sdlc max-pdu command, you can restore themaximum. length of SDLC receivable frames to the default value.SDLC maximum frame length is the maximum number of bytes of the receiving andtransmitting frames, with parity bit, start bit and end bit excluded.Generally, the length is 265 for some PU2.0 equipment and 521 for IBM AS/400. Weoften need to configure our equipment to have the same values as the connectedSDLC equipment.ExampleNone6.1.32 sdlc max-send-queueSyntaxsdlc max-send-queue lengthundo sdlc max-send-queueViewSynchronous interface viewParameterlength: Queue length of messages sent by SDLC, ranging from 20 to 255. By default,the queue length of messages sent by SDLC is 20.DescriptionUsing the sdlc max-send-queue command, you can configure length of the SDLCtransmission queue. Using the undo sdlc max-send-queue command, you canrestore length of the SDLC transmission queue to the default value.Before SDLC sends frames, it will put the frames in the transmission queue and thensend the frames in turn. If the transmitting queue is full, the packet will be dropped.ExampleNone120
