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394 CHAPTER 25: CONFIGURING DLSW
By default, the modulo value of SDLC is 8.
d Configure Maximum Receivable Frame Length N1 of SDLC
Maximum frame length of SDLC refers to byte number of maximum
transmissible and receivable message, not including parity bit and stop bit.
Please process the following configurations in the synchronous interface view.
Table 457 Configure maximum receivable frame length of SDLC
By default, the maximum receivable frame length of SDLC is 265 bytes.
Generally, the length is 265 for some PU2.0 equipment and 521 for IBM
AS/400. We often need to configure our equipment to be of the same values
as the connected SDLC equipment.
e Configure Retransmission Number N2 of SDLC
The retransmission number N2 of SDLC refers to the retransmission number
before receiving no acknowledgement packet sent by the other part.
Please process the following configurations in the synchronous interface view.
Table 458 Configure retransmission number of SDLC
By default, the retransmission number of SDLC is 20.
f Configure Poll Time Interval of SDLC
Poll time interval of SDLC refers to wait time interval between two SDLC nodes
polled by SDLC primary station.
Please process the following configurations in the synchronous interface view.
Table 459 Configure poll time interval of SDLC
By default, the poll time interval of SDLC is 100 ms.
g Configure SAP address for transforming SDLC to LLC2
When transforming SDLC message to LLC2 message, it needs both SAP and
MAC addresses. This command is used to specify SAP address used when
transforming LLC2 for a SDLC byte.
Generally, the SAP address used by SNA protocol is 0x04, 0x08 or 0x0C.
Please process the following configurations in the synchronous interface view.
Operation Command
Configure Maximum Receivable Frame Length of SDLC sdlc max-pdu n
Restore the default value of maximum receivable frame
length of SDLC
undo sdlc max-pdu
Operation Command
Configure retransmission number of SDLC sdlc max-transmission
retries
Restore the default value of the retransmission
number of SDLC
undo sdlc max-transmission
Operation Command
Configure poll time interval of SDLC sdlc timer poll mseconds
Restore the default value of poll time interval of SDLC undo sdlc timer poll